Querverweis RFQ Workflow Muster online kaufen Buy samples online · send OE number for bulk RFQ
Master Thermal Sourcing Hub · 110+ OE Models

Automotive & Heavy-Duty Temperature Switch (Thermo Switch) Master Sourcing Directory

Comprehensive cross-reference directory for radiator cooling fan thermo switches, heavy-duty engine high water temperature alarm switches, and classic cold-start thermo-time switches across European, American, and Asian platforms.

SHR Temperature Switches and Thermo Switch Engineering Banner

Product Classification

Four Primary Industrial Temperature Switch Categories

SHR Autoparts manufactures and supplies high-reliability thermal control switches covering passenger, commercial fleet, off-highway mining, and classic EFI applications. All switches feature hermetically sealed contact chambers and 100% factory thermal calibration.

Radiator Cooling Fan Thermo Switch
Automotive Electric Fan

Radiator Cooling Fan Thermo Switches

Dual-stage and single-speed radiator fan switches for VW, Audi, BMW, Mercedes, Toyota, Honda, and Peugeot. Calibrated to factory thermal thresholds (95°C / 102°C or low-temp 80°C / 88°C mod).

  • Thread Sizes: M22x1.5, M14x1.5, M16x1.5, M18x1.5
  • Ratings: 12V DC / up to 30A Contact Capacity
  • Sealing: Includes annealed copper / aluminum crush ring

Browse Fan Switches

Heavy-Duty Diesel Water Temp Alarm Switch
Commercial Heavy Duty

Heavy-Duty Diesel Overheat Alarm Switches

High-temperature alarm and emergency shutdown contactors for Cummins NT855/N14/KTA19, CAT 3306/3406, Detroit Diesel, and Perkins generators. Precision 98°C, 103°C, and 105°C trigger points.

  • Thread Sizes: 1/2″-14 NPT, 3/8″-18 NPT, 3/4-16 UNF
  • Terminals: Heavy threaded brass posts or Deutsch DT
  • Shock Resistance: 15G sustained off-highway vibration rating

Browse Heavy Duty

Excavator & Machinery Water Temp Switch
Construction & Mining

Excavator & Industrial Machinery Switches

Engine block and radiator monitoring switches for Komatsu PC200/PC300, Isuzu Elf/Forward, Hitachi, Kobelco, Kubota, Yanmar, and Deutz air-cooled cylinder head temperature cutoff.

  • Thread Sizes: M16x1.5, M14x1.5, M10x1.5, PT 1/2, PT 3/8
  • Compatibility: 24V DC heavy equipment electrical architectures
  • Waterproofing: IP67 / IP69K sealed connector moldings

Browse Machinery Switches

Classic Cold-Start Thermo-Time Switch
Classic EFI Systems

Classic Cold-Start Thermo-Time Switches

Bosch K-Jetronic, KE-Jetronic, and Toyota EFI cold-start injector controllers. Integrates dual heating wire and bimetallic arm (35°C cutoff / 8 to 15 seconds max cranking duration).

  • Thread Sizes: M14 x 1.5 mm Metric Thread
  • Connector: 2-Pin Bosch EV1 Junior Timer (Gold-Plated)
  • Vehicles: Mercedes W123/W126, BMW E30, Porsche 911, Toyota

Browse Thermo-Time

Global OE Cross-Reference Index

Temperature Switch Master Fitment Matrix (119+ Models)

Search by OEM part number, vehicle model, engine type, thread pitch, or aftermarket cross reference. Click on any model to view full technical specifications or request wholesale distributor pricing.

Showing 119 of 119 models






OEM-Teilenummer Brand / Fleet Switch Point & Logic Thread Pitch Pinout / Term Vehicle & Engine Application Wholesale Action
1J0959481A VW / Audi / Skoda 95°C / 102°C Dual Stage
Normally Open (NO)
M22 x 1.5 3-Pin Flat VW Golf 4, Bora, Passat B5, Beetle, Audi A3, TT, Octavia, Leon
Cross: FEBI 19941, HELLA 6ZT 007 800-021, FAE 37880, FACET 7.5678
View Product Specs
191959481C VW / Audi 95-84°C / 102-91°C Dual
Normally Open (NO)
M22 x 1.5 3-Pin Flat VW Golf 2/3, Jetta, Passat B3/B4, Corrado, Audi 80/100
Cross: FEBI 01779, FAE 37670, FACET 7.5144, MEYLE 100 959 0003
Request Sample / RFQ
701959481 Volkswagen 87-76°C / 93-82°C Dual
Normally Open (NO)
M22 x 1.5 3-Pin Flat VW Transporter T4, Caravelle, Eurovan 2.5 TDI / 2.8 VR6
Cross: FEBI 19943, FAE 37870, FACET 7.5677, HELLA 6ZT 007 800-001
Request Sample / RFQ
251959481K Volkswagen 87-82°C / 93-88°C Dual
Normally Open (NO)
M22 x 1.5 3-Pin Flat VW Transporter T3 / Vanagon 1.6TD, 1.9, 2.1 Wasserboxer
Cross: FEBI 01780, FAE 37680, FACET 7.5145, VDO 29/2/2
Request Sample / RFQ
1H0959481B VW / Seat 95-84°C / 102-91°C Dual
Normally Open (NO)
M22 x 1.5 3-Pin Flat VW Golf 3, Vento, Polo 6N, Seat Ibiza, Cordoba
Cross: FEBI 19942, FAE 37860, FACET 7.5676, HELLA 6ZT 007 800-011
Request Sample / RFQ
6X0959481 VW / Seat 95°C / 102°C Dual Stage
Normally Open (NO)
M22 x 1.5 3-Pin Flat VW Lupo, Polo 6N2, Seat Arosa 1.0, 1.4, 1.7 SDI
Cross: FAE 37885, FACET 7.5680, FEBI 37125
Request Sample / RFQ
8D0959481AA Audi / VW 95°C / 102°C Dual Stage
Normally Open (NO)
M22 x 1.5 4-Pin Oval Audi A4 B5, A6 C5, VW Passat B5 1.8T, 2.8 V6, 2.5 TDI
Cross: FAE 38220, FACET 7.5695, FEBI 23838, MEYLE 100 959 0012
Request Sample / RFQ
443959481C Audi 95°C / 102°C Dual Stage
Normally Open (NO)
M22 x 1.5 3-Pin Spade Audi 80, 90, 100, 200, Coupe, Quattro 2.2T, 2.3E
Cross: FEBI 01783, FAE 37720, FACET 7.5147, BERU ST048
Request Sample / RFQ
61318361787 BMW 80°C / 88°C Low-Temp Mod
Normally Open (NO)
M14 x 1.5 3-Pin Hex BMW E36 (318i-M3), E46 (323i-330i), E34, E39, Z3 (Low-Temp Euro Spec)
Cross: FEBI 12411, FAE 37830, MEYLE 314 899 0000, HELLA 6ZT 007 802-001
View Product Specs
61318360857 BMW 91°C / 99°C Standard Dual
Normally Open (NO)
M14 x 1.5 3-Pin Hex BMW E36 318i/325i/328i, E34 525i/535i, E38 740i, Z3 2.8
Cross: FEBI 12412, FAE 37820, FACET 7.5684, BEHR TSW 32D
Request Sample / RFQ
61311378320 BMW 91°C / 99°C Dual Stage
Normally Open (NO)
M14 x 1.5 3-Pin Round BMW E30 318i/325i/M3, E28 528e/535i, E24 635CSi, E32 735i
Cross: FEBI 01784, FAE 37780, FACET 7.5182, VDO 29/2/2
Request Sample / RFQ
61311364272 BMW 91°C Single Stage
Normally Open (NO)
M14 x 1.5 2-Pin Blade BMW E30 316/318i, E28 520i/525i, E21 320/323i
Cross: FEBI 01785, FAE 36610, FACET 7.5097, BERU ST024
Request Sample / RFQ
61318376440 BMW 97°C / 105°C Dual Stage
Normally Open (NO)
M14 x 1.5 3-Pin Hex BMW E46, E39 540i, E53 X5 4.4i, E38 750iL M62/M73
Cross: FAE 37835, FACET 7.5686, FEBI 19946
Request Sample / RFQ
13621703993 BMW Diesel 95°C Single Stage
Normally Open (NO)
M14 x 1.5 2-Pin Blade BMW E36 325tds, E34 525tds, E38 725tds M51 Turbo Diesel
Cross: FEBI 12417, FAE 36615, BERU ST032
Request Sample / RFQ
0065451424 Mercedes-Benz 100°C / 107°C Aux Fan
Normally Open (NO)
M14 x 1.5 3-Pin Round Mercedes W124 (260E, 300E), W126 (300SE, 420SEL, 560SEL), W201 190E, R129
Cross: A0065451424, FEBI 01786, FAE 37790, BEHR TSW 28D, BERU ST052
Request Sample / RFQ
0065454224 Mercedes-Benz 105°C Aux Fan Switch
Normally Open (NO)
M14 x 1.5 2-Pin Round Mercedes W124 E320, W202 C280, W210 E320/E420, W140 S320/S500
Cross: A0065454224, FEBI 12413, FAE 36630, FACET 7.5187, HELLA 6ZT 007 801-011
Request Sample / RFQ
0085423217 Mercedes-Benz 95°C / 100°C Dual Stage
Normally Open (NO)
M14 x 1.5 2-Pin Blade Mercedes Sprinter T1N (901/902/903 2.9 TDI), Vito W638, C-Class W202
Cross: A0085423217, FEBI 12414, FAE 36640, DT 4.61850
Request Sample / RFQ
0055452424 Mercedes-Benz 85°C Low-Temp Fan
Normally Open (NO)
M14 x 1.5 2-Pin Round Mercedes W123 230E/280E, W124 200/230E, W126 280S M102/M110
Cross: A0055452424, FEBI 01787, FAE 36605, BERU ST018
Request Sample / RFQ
0085424517 Mercedes-Benz 100°C Overheat Warning
Normally Open (NO)
M14 x 1.5 2-Pin Blade Mercedes Sprinter 903/904 CDI, Vario, T2/LN1 Commercial Van
Cross: A0085424517, DT 4.61851, FEBI 19949
Request Sample / RFQ
96138637 Peugeot / Citroen 97°C / 92°C Fan Switch
Normally Open (NO)
M22 x 1.5 2-Pin Blue Peugeot 206, 306, 406, Partner 1.4, 1.6, 1.9D; Citroen Berlingo, Xsara
Cross: 1264.26, 1264.38, FAE 37840, FACET 7.5682, VALEO 819770
Request Sample / RFQ
1264.40 Peugeot / Citroen 95°C / 100°C Dual Stage
Normally Open (NO)
M22 x 1.5 3-Pin Brown Peugeot 106, 307, 406 2.0 HDI; Citroen C3, C5, Xsara Picasso
Cross: 96064561, FAE 37850, FACET 7.5683, FEBI 19948
Request Sample / RFQ
1264.45 Peugeot / Citroen 97°C Single Fan Switch
Normally Open (NO)
M22 x 1.5 2-Pin Green Peugeot 206 1.4 HDI, 307 1.6 HDI; Citroen C2, C3 HDI DV4TD
Cross: FAE 37855, FACET 7.5685, VALEO 819772
Request Sample / RFQ
7700778783 Renault 92-82°C / 97-87°C Dual
Normally Open (NO)
M22 x 1.5 3-Pin White Renault Clio I/II, Megane I, Laguna I, Scenic, Kangoo 1.4, 1.6, 1.9 DTI
Cross: 7700810887, 7700786400, FAE 37815, FACET 7.5681, VALEO 819768
Request Sample / RFQ
7700810887 Renault 92°C / 87°C Single Fan
Normally Open (NO)
M22 x 1.5 2-Pin White Renault 19, Twingo I, Express, Kangoo 1.2, 1.4 Energy E7J
Cross: 7700778782, FAE 36675, FACET 7.5112, FEBI 01789
Request Sample / RFQ
7700786400 Renault Commercial 95°C / 102°C Heavy Fan
Normally Open (NO)
M22 x 1.5 3-Pin Black Renault Master II, Trafic I/II 2.5D, 2.8 DTI S9W/S9U Sofim
Cross: 7700839072, FAE 37825, FACET 7.5687
Request Sample / RFQ
5972332 Fiat / Alfa Romeo 92°C / 87°C Single Fan
Normally Open (NO)
M22 x 1.5 2-Pin Blade Fiat Punto, Uno, Panda, Tipo, Tempra; Alfa Romeo 145, 146 1.4/1.6
Cross: 7588802, 4443753, FAE 36650, FACET 7.5100, FEBI 01788
Request Sample / RFQ
4443753 Fiat / Iveco 92°C / 87°C Dual Fan
Normally Open (NO)
M22 x 1.5 3-Pin Blade Fiat Ducato 1.9D/2.5D, Talento; Iveco Daily I/II 2.5D/2.8D
Cross: 5972333, FAE 37710, FACET 7.5146, MAGNETI MARELLI 171916011010
Request Sample / RFQ
60811231 Alfa Romeo 95°C / 102°C Twin Spark
Normally Open (NO)
M22 x 1.5 3-Pin Oval Alfa Romeo 145, 146, 155, 156, GTV 1.8TS, 2.0TS, 2.5 V6 Busso
Cross: 7642674, FAE 37838, FACET 7.5688
Request Sample / RFQ
1378864 Volvo Car 92°C / 87°C Fan Switch
Normally Open (NO)
M22 x 1.5 2-Pin Blade Volvo 240, 740, 940 B200, B230, B204, B234 Turbo
Cross: 3450942, FAE 36660, FACET 7.5102, FEBI 01790
Request Sample / RFQ
9125463 Volvo Car 95°C Aux Fan Switch
Normally Open (NO)
M14 x 1.5 2-Pin Blade Volvo 850, S70, V70, S40, V40 2.0T, 2.3 T5, 2.5 20V
Cross: 3450943, FAE 36665, FACET 7.5103
Request Sample / RFQ
89428-10010 Toyota / Lexus 90°C Failsafe Relay Trip
Normally Closed (NC)
M16 x 1.5 1-Pin Spade Toyota Corolla AE92/AE100/AE111, Camry SXV10/20, Hilux, Starlet, Celica
Cross: 89428-10011, 89428-12160, FAE 36620, FACET 7.5098, Tama BS-101
View Product Specs
89428-12160 Toyota 93°C Fan Trigger
Normally Closed (NC)
M16 x 1.5 1-Pin Blade Toyota Camry SXV20 2.2L, Corolla ZZE110, RAV4 2.0L 3S-FE
Cross: 89428-14070, FAE 36625, FACET 7.5105, Beck/Arnley 201-1522
Request Sample / RFQ
89428-33010 Toyota / Lexus 90°C Radiator Fan Switch
Normally Open (NO)
M16 x 1.5 2-Pin Plug Toyota Camry MCV20 3.0L V6 1MZ-FE, Avalon, Sienna, Lexus ES300
Cross: 89428-02010, FAE 37865, FACET 7.5689, Standard TS-382
Request Sample / RFQ
89428-02010 Toyota / Pontiac 93°C Fan Switch
Normally Open (NO)
M16 x 1.5 2-Pin Plug Toyota Corolla ZZE122, Matrix 1.8L 1ZZ-FE, Pontiac Vibe
Cross: 89428-24010, FAE 37875, FACET 7.5692, Wells SW632
Request Sample / RFQ
89428-14070 Toyota 90°C Fan Switch
Normally Closed (NC)
M16 x 1.5 1-Pin Blade Toyota Land Cruiser HZJ75/80 1HZ, Supra MA70 7M-GE, Previa 2.4L
Cross: 89428-15010, Tama BS-104, FAE 36635, FACET 7.5108
Request Sample / RFQ
89428-15010 Toyota 88°C Fan Switch
Normally Closed (NC)
M16 x 1.5 1-Pin Blade Toyota Starlet EP82/EP91, Paseo, Tercel 4E-FE, 5E-FE
Cross: Tama BS-102, FAE 36622, FACET 7.5099
Request Sample / RFQ
89428-20060 Toyota 90°C Fan Switch
Normally Closed (NC)
M16 x 1.5 1-Pin Blade Toyota Carina E, Corona, Caldina ST191 3S-FE, 4S-FE, 7A-FE
Cross: Tama BS-105, FAE 36628, Standard TS-285
Request Sample / RFQ
89428-24010 Toyota Commercial 90°C Van Fan Switch
Normally Closed (NC)
M16 x 1.5 1-Pin Spade Toyota Hiace RZH100/112 1RZ/2RZ, Coaster Bus, Dyna Truck
Cross: Tama BS-106, Toyota Commercial Switch
Request Sample / RFQ
89428-41010 Toyota SUV 95°C Prado Switch
Normally Open (NO)
M16 x 1.5 2-Pin Plug Toyota Land Cruiser Prado KZJ95/KDJ120 1KZ-TE, 1KD-FTV D-4D
Cross: Tama BS-108, Denso 077500
Request Sample / RFQ
37760-P00-003 Honda / Acura 93°C ON / 88°C OFF
Normally Open (NO)
M18 x 1.5 2-Pin Round Honda Civic (92-05), Accord (94-07), CR-V (97-06), Integra, RSX, S2000
Cross: 37760-P00-004, 37760-PLZ-E01, TS-295, SW534, FAE 37810, FACET 7.5186
View Product Specs
37770-PH2-014 Honda 90°C Radiator Fan Switch
Normally Open (NO)
M16 x 1.5 2-Pin Round Honda Civic (1988-1991), CRX 1.5/1.6, Accord (1986-1989 2.0L)
Cross: 37760-PB2-003, FAE 37760, FACET 7.5178, Tama BS-201
Request Sample / RFQ
37760-PB2-003 Honda 85°C Low-Temp Spec
Normally Open (NO)
M18 x 1.5 2-Pin Round Honda Prelude 2.0/2.1, Legend 2.5/2.7 V6, Civic Wagon 4WD
Cross: 37760-P73-003, FAE 37770, FACET 7.5180, Standard TS-197
Request Sample / RFQ
37760-P73-003 Acura / Honda 90°C Type R Spec
Normally Open (NO)
M18 x 1.5 2-Pin Round Acura Integra Type R DC2 B18C5, NSX 3.0L/3.2L C30A/C32B, S2000 AP1
Cross: Honda Performance Thermo Switch, Tama BS-203
Request Sample / RFQ
37870-PJ7-003 Honda 95°C Engine Temp Switch
Normally Open (NO)
M12 x 1.5 2-Pin Oval Honda Civic EK3/EK4, Odyssey RA6 2.3L F23A, CR-V RD1 B20Z
Cross: FAE 33160, FACET 7.3160, Tama CS-201
Request Sample / RFQ
21595-01A00 Nissan 90°C Fan Switch
Normally Open (NO)
M16 x 1.5 2-Pin Blade Nissan Sunny B12, Sentra B13 GA16DE, Pulsar N14, Patrol Y60 2.8 TD
Cross: 21595-17B00, 21595-05A00, FAE 36670, FACET 7.5110, Tama BS-301
Request Sample / RFQ
25080-89907 Nissan 100°C Overheat Sender
Resistance / Trip
1/8-28 BSPT 1-Pin Spade Nissan Patrol GQ/GU TD42, Navara D21/D22 TD27/QD32, Terrano, Skyline
Cross: 25080-89903, FAE 31170, FACET 7.3005, Tama GS-301
Request Sample / RFQ
25080-70J00 Nissan 95°C Warning Switch
Normally Open (NO)
M12 x 1.5 1-Pin Bullet Nissan Primera P10/P11 SR20DE, Almera N15, Serena C23
Cross: Tama GS-304, FAE 31180, FACET 7.3008
Request Sample / RFQ
MB356704 Mitsubishi 85°C Fan Thermo Switch
Normally Open (NO)
M16 x 1.5 2-Pin Plug Mitsubishi Pajero/Montero V20/V40 2.5 TD 4D56, 3.0 V6 6G72, Galant, L300
Cross: MB605586, MB568959, FAE 37800, FACET 7.5184, Tama BS-401
Request Sample / RFQ
MC845873 Mitsubishi Fuso 105°C Overheat Alarm
Normally Open (NO)
PT 3/8 1-Pin Bullet Fuso Canter FE/FG, Fighter FK/FM 6D14, 6D16, Super Great 8DC9
Cross: ME049233, ME079493, New-Era TS-14, Fuso Heavy Fleet
Request Sample / RFQ
ME079493 Mitsubishi Fuso 108°C Severe Alarm
Normally Open (NO)
PT 3/8 2-Pin Blade Fuso Heavy Commercial Heavy Truck 8M20, 8M21, 6M70 Euro 3/4
Cross: ME049234, Fuso Truck Parts Japan
Request Sample / RFQ
8-97125601-1 Isuzu 100°C High Temp Alarm
Normally Open (NO)
M16 x 1.5 1-Pin Blade Isuzu NPR, NQR, NHR, Elf 4HF1, 4HG1, 4HE1, D-Max 4JH1-TC
Cross: 8971256011, 8-94457297-0, Tama GS-501, Isuzu Commercial
Request Sample / RFQ
1-83161019-1 Isuzu Commercial 105°C Heavy Alarm
Normally Open (NO)
PT 3/8 2-Pin Heavy Plug Isuzu GIGA C/E Series, Forward F-Series 6HK1, 6WG1, 6UZ1 Euro 3/4/5
Cross: 1831610191, 8-97022796-0, Isuzu Heavy Truck Parts
Request Sample / RFQ
8-94457297-0 Isuzu 98°C Trooper Alarm
Normally Open (NO)
M16 x 1.5 1-Pin Spade Isuzu Trooper, Rodeo, Pickup 2.8 TD 4JB1-T, 3.1 TD 4JG2-T
Cross: Tama GS-502, Isuzu 4×4 Parts
Request Sample / RFQ
B3C6-18-840 Mazda 91°C Fan Switch
Normally Open (NO)
M16 x 1.5 1-Pin Spade Mazda 323, 626, MX-5 Miata NA/NB 1.6L/1.8L B6/BP, Protege
Cross: FS11-18-840, KL01-18-840, FAE 36645, FACET 7.5109, Tama BS-601
Request Sample / RFQ
25360-37100 Hyundai / Kia 93°C Radiator Fan Switch
Normally Open (NO)
M16 x 1.5 2-Pin Plug Hyundai Sonata, Santa Fe, Tucson 2.0L/2.4L; Kia Optima, Sportage
Cross: 25360-22000, 25360-33000, FAE 37878, FACET 7.5694
Request Sample / RFQ
0K201-18-840 Kia / Mazda 88°C Fan Switch
Normally Open (NO)
M16 x 1.5 1-Pin Spade Kia Sephia 1.6L B6, Sportage 2.0L FE DOHC 16V, Pride 1.3L
Cross: B3C6-18-840, FAE 36648, FACET 7.5111
Request Sample / RFQ
12513303 GM / Chevrolet 210°F (99°C) Fan Switch
Normally Open (NO)
3/8"-18 NPT 1-Pin Stud Chevy Camaro, Corvette C4 L98, Pontiac Firebird, SBC 305/350, BBC 454
Cross: 10045847, 14043276, 25036898, AC Delco D1855, Standard TS-136
View Product Specs
10045847 GM / Chevrolet 238°F (114°C) Secondary
Normally Open (NO)
3/8"-18 NPT 1-Pin Stud Chevy Caprice Police 9C1, Impala SS, Corvette C4 High-Speed Fan Aux
Cross: 10045848, AC Delco D1854, Wells SW504, Standard TS-148
Request Sample / RFQ
14043276 GM / Pontiac 215°F (102°C) Fan Switch
Normally Open (NO)
3/8"-18 NPT 1-Pin Stud Pontiac Firebird Trans Am 5.0L/5.7L TPI, Buick Grand National 3.8L Turbo
Cross: AC Delco D1858, Standard TS-142, Wells SW506
Request Sample / RFQ
25036898 GMC / Chevrolet 212°F (100°C) Temp Switch
Normally Open (NO)
3/8"-18 NPT 1-Pin Spade GMC Sierra, Chevy Silverado C/K 1500/2500/3500 5.7L 350, 7.4L 454
Cross: 25036882, AC Delco D1862, Standard TS-162, Wells SW508
Request Sample / RFQ
15326386 GM Heavy Duty 220°F Diesel Alarm
Normally Open (NO)
3/8"-18 NPT 2-Pin Weatherpack Chevy Silverado 2500/3500 6.5L Turbo Diesel, Suburban, Tahoe 6.5TD
Cross: AC Delco 213-928, Standard TS-298, Wells SW542
Request Sample / RFQ
86AU-8B607-AA Ford 95°C / 100°C Fan Switch
Normally Open (NO)
M22 x 1.5 2-Pin Blade Ford Escort, Sierra, Fiesta, Transit Mk3/Mk4 2.0 OHC Pinto, 2.5D
Cross: 89FB-8B607-AA, 6165207, FAE 36655, FACET 7.5101, FEBI 01792
Request Sample / RFQ
89FB-8B607-AA Ford 92°C / 97°C Dual Fan
Normally Open (NO)
M22 x 1.5 3-Pin Blade Ford Fiesta Mk3, Orion, Escort Mk5, Courier 1.3, 1.4, 1.8D
Cross: 6165208, FAE 37822, FACET 7.5685, FEBI 19947
Request Sample / RFQ
F0AZ-10884-A Ford / Lincoln 215°F Overheat Sender
Switch / Sender
1/8"-27 NPT 1-Pin Blade Ford F-150, F-250, F-350, Mustang 4.6L/5.0L/5.8L, 7.3L Powerstroke
Cross: SW-2328, E3ZZ-10884-A, Motorcraft SW2328, Standard TS-258
Request Sample / RFQ
E3ZZ-10884-A Ford Mustang 210°F Temp Switch
Switch / Sender
1/8"-27 NPT 1-Pin Post Ford Mustang Foxbody 5.0L 302 HO (1983-1993), Thunderbird 2.3 Turbo
Cross: Motorcraft SW-1854, Standard TS-118
Request Sample / RFQ
52028637 Dodge / Ram 215°F Aux Fan Switch
Normally Open (NO)
3/8"-18 NPT 2-Pin Weatherpack Dodge Ram 1500/2500, Dakota, Durango 3.9L V6, 5.2L V8, 5.9L Magnum
Cross: 52028784, 33004281, Standard TS-342, Wells SW612
Request Sample / RFQ
52028784 Jeep / Chrysler 218°F Fan Switch
Normally Open (NO)
3/8"-18 NPT 2-Pin Weatherpack Jeep Cherokee XJ (1991-2001 4.0L), Grand Cherokee ZJ 4.0L / 5.2L
Cross: Mopar 52028784, Standard TS-354, Wells SW618
Request Sample / RFQ
33004281 Jeep 215°F Overheat Switch
Normally Open (NO)
1/8"-27 NPT 1-Pin Blade Jeep Wrangler YJ/TJ 2.5L, 4.0L AMC Inline 6 (1987-1999)
Cross: Mopar 33004281, Standard TS-210, Wells SW514
Request Sample / RFQ
3015238 Cummins 98°C (208°F) High Temp Alarm
Normally Open (NO)
1/2"-14 NPT 2 Stud Posts Cummins NT855, N14, KTA19, KTA38, KTA50, ISM11, 6BT, 6CT Marine/Genset
Cross: 3056344, 3846660, 4954905, 3015237 (Oil 115°C), VDO 29/2/2
View Product Specs
3056344 Cummins 103°C (217°F) Alarm/Trip
Normally Open (NO)
1/2"-14 NPT 2 Stud Posts Cummins K38, K50, QSK19, VTA28 Heavy Industrial & Marine Auxiliary
Cross: 3015238, Cummins Heavy Marine Power Switch
Request Sample / RFQ
3015237 Cummins 115°C (239°F) Oil Temp Alarm
Normally Open (NO)
1/2"-14 NPT 2 Stud Posts Cummins NTA855, KTA19, KTA38 Diesel Genset Sump Oil Overheat Alarm
Cross: Cummins Lube Oil Protection Switch
Request Sample / RFQ
3408645 Cummins Dual Switch / Sensor
Alarm + Resistance
1/2"-14 NPT 2-Pin Deutsch Cummins M11, ISM11, N14 CELECT Heavy Commercial Fleets
Cross: 3846660, 4954905, Cummins CELECT Plus Sensor
Request Sample / RFQ
3920363 Cummins B-Series 98°C Alarm Switch
Normally Open (NO)
M16 x 1.5 1-Pin Blade Cummins 4BT 3.9L, 6BT 5.9L Turbo Diesel Dongfeng / Foton / Freightliner
Cross: 3920364, Komatsu 6732-81-3140, DCEC Cummins
Request Sample / RFQ
4W-9972 Caterpillar 98°C (208°F) Water Temp GP
Normally Open (NO)
1/2"-14 NPT 2 Stud Posts CAT 3304, 3306, 3406, 3408, 3412, D6D, D7G, D8K, 966D, 980C, 12G
Cross: 4W9972, 7C-0570, 2W-8004, 9W-1492, 114-5333, 7E-6108
View Product Specs
7C-0570 Caterpillar 103°C (217°F) Shutdown GP
Normally Open (NO)
1/2"-14 NPT 2 Stud Posts CAT 3406B/C, 3408, 3412, 3508, 3512, 3516 Mining & Gensets
Cross: 7C0570, 4W-9972, CAT Heavy Equipment Contactor
Request Sample / RFQ
2W-8004 Caterpillar 107°C (225°F) Emergency Cutoff
Normally Open (NO)
1/2"-14 NPT 2 Stud Posts CAT 3306, 3406 Industrial Engine High-Heat Protection Switch
Cross: 2W8004, CAT Off-Highway Emergency Shutdown
Request Sample / RFQ
9W-1492 Caterpillar 96°C Alarm Switch
Normally Open (NO)
1/2"-14 NPT 2 Stud Posts CAT D6H, D7H, 950F Earthmoving Machine Water Temp GP
Cross: 9W1492, CAT Construction Contactor
Request Sample / RFQ
114-5333 Caterpillar 105°C Electronic Switch GP
Normally Open (NO)
3/4-16 UNF / 1/2 NPT 2-Pin Deutsch DT CAT 3126, 3176, C10, C12, C15, 3406E Heavy On-Highway Trucks
Cross: 1145333, CAT Electronic Temperature Switch GP
Request Sample / RFQ
163-6701 Caterpillar C-Series Dual Switch / Sensor
ECM Cutoff
3/4-16 UNF 2-Pin Deutsch CAT C-15, C-16, C-18 ACERT Industrial & On-Highway Truck
Cross: 1636701, 238-0112, CAT Heavy Diesel Sensor
Request Sample / RFQ
6732-81-3140 Komatsu 98°C Overheat Alarm
Normally Open (NO)
M16 x 1.5 1-Pin Bullet Komatsu PC200-6/7, PC220-7, PC300-7 Excavators, 6D102, 6D107 Engines
Cross: 6732813140, 7861-92-3320, 6215-81-8210, Cummins 3920363
View Product Specs
7861-92-3320 Komatsu Dual Sensor & Switch
Monitor + Warning
M16 x 1.5 2-Pin Triangle Komatsu PC200-5, PC120-5, PC220-5, PC400-5 Mechatro Panel
Cross: 7861923320, Komatsu Hydraulic Excavator Monitor Sensor
Request Sample / RFQ
6215-81-8210 Komatsu 105°C Bulldozer Alarm
Normally Open (NO)
PT 1/2 2 Heavy Studs Komatsu D65, D85, D155, D375 Dozers, 6D125, 6D140 Engines
Cross: 6215818210, Komatsu Mining Dozer Overheat Protection
Request Sample / RFQ
600-421-6630 Komatsu Heavy Mining 108°C High-Heat Alarm
Normally Open (NO)
PT 1/2 2-Pin Sealed Komatsu PC400-7, PC600-8, PC1250 Mining Excavators SAA6D140E
Cross: 6004216630, Komatsu Heavy Mining Switch
Request Sample / RFQ
0045452914 Mercedes Actros 100°C Coolant Trip
Normally Open (NO)
M14 x 1.5 2-Pin DIN Mercedes Actros MP1/MP2/MP3, Axor, Atego OM501LA, OM502LA, OM906LA
Cross: A0045452914, 0045453014, FEBI 12410, DT Spare Parts 4.61852
View Product Specs
0045453014 Mercedes Actros / Bus 105°C Emergency Alarm
Normally Open (NO)
M14 x 1.5 2-Pin DIN Mercedes Actros Heavy Haul, Citaro City Bus, Econic Waste Truck
Cross: A0045453014, DT 4.61853, BEHR TSW 34D
Request Sample / RFQ
0005423817 Mercedes Commercial 102°C Switch
Normally Open (NO)
M14 x 1.5 2-Pin Blade Mercedes SK 1838, Actros 3340, Tourismo Coach OM441LA, OM442LA
Cross: A0005423817, FEBI 12418, DT 4.61854
Request Sample / RFQ
20450685 Volvo Truck / Mack 102°C Fan & Warning
Normally Open (NO)
M18 x 1.5 2-Pin AMP Volvo FH12, FM12, NH12, FL6, Mack CH, Vision D12C, D12D
Cross: 20513340, 8140024, 1544683, DT 2.27092
Request Sample / RFQ
8140024 Volvo Commercial 102°C Overheat Alarm
Normally Open (NO)
M14 x 1.5 2-Pin Blade Volvo F10, F12, FL10, B10M Bus TD100, TD120, TD122
Cross: 1544683, FEBI 12415, DT 2.27090
Request Sample / RFQ
8140023 Volvo Commercial 95°C Low-Speed Fan
Normally Open (NO)
M14 x 1.5 2-Pin Blade Volvo FL7, FL10, NL10, NL12 Heavy Commercial Haulers
Cross: DT 2.27089, Volvo Commercial
Request Sample / RFQ
1425881 Scania 102°C Coolant Switch
Normally Open (NO)
M14 x 1.5 2-Pin DIN Scania 4-Series 94, 114, 124, 144, 164 V8 DC11, DC12, DSC14
Cross: 1448107, 1789364, 1934584, DT 1.21634
Request Sample / RFQ
1789364 Scania 105°C Overheat Warning
Normally Open (NO)
M16 x 1.5 2-Pin Round Scania P/G/R/S-Series Euro 4, 5, 6 DC13, DC16 V8 Heavy Transport
Cross: 1934584, DT 1.21636, Scania Fleet Euro 6 Switch
Request Sample / RFQ
51.27421-0160 MAN Truck & Bus 100°C Coolant Switch
Normally Open (NO)
M14 x 1.5 2-Pin DIN MAN F2000, TGA, TGM, TGX D2866, D2876, D2066 Euro 2/3/4
Cross: 51.27421-0180, 51274210160, DT 3.33080, FEBI 12416
Request Sample / RFQ
51.27421-0180 MAN Truck & Bus 105°C Alarm Switch
Normally Open (NO)
M14 x 1.5 2-Pin DIN MAN TGA, TGS, TGX Euro 4/5/6 D2676 Long-Haul Fleet
Cross: 51274210180, DT 3.33082, MAN Genuine Switch
Request Sample / RFQ
1332393 DAF Trucks 102°C Alarm Switch
Normally Open (NO)
M14 x 1.5 2-Pin DIN DAF XF95, XF105, CF85 XE315C, XE355C, PACCAR MX300
Cross: 1693121, 1785530, DT 5.42080, FEBI 19950
Request Sample / RFQ
0683594 DAF Trucks 98°C Low-Speed Fan
Normally Open (NO)
M14 x 1.5 2-Pin DIN DAF 75CF, 85CF, 95XF ATI 11.6L Heavy Haul
Cross: 1332392, DT 5.42078, DAF Commercial
Request Sample / RFQ
504040941 IVECO 102°C Coolant Switch
Normally Open (NO)
M14 x 1.5 2-Pin Blade IVECO Stralis, EuroTrakker, Trakker Cursor 8, 10, 13
Cross: 500318534, 4856424, DT 7.24070, MAGNETI MARELLI
Request Sample / RFQ
99455420 IVECO Commercial 98°C Overheat Warning
Normally Open (NO)
M14 x 1.5 2-Pin Plug IVECO EuroCargo Tector 4-Cyl / 6-Cyl 75E15, 120E21, 150E28
Cross: 500318535, DT 7.24072
Request Sample / RFQ
2848A127 Perkins / FG Wilson 103°C (217°F) Genset Alarm
Normally Open (NO)
1/2"-14 NPT Single Blade / 2-Pin Perkins 1004, 1006, 1103, 1104, 1106; FG Wilson Gensets, Massey Ferguson
Cross: 2848A126, 2848A121, 185246190, FG Wilson 994-047, CAT 214-4861
View Product Specs
185246190 Perkins Compact 105°C Mini Diesel Alarm
Normally Open (NO)
3/8"-18 NPT 1-Pin Bullet Perkins 403D-11, 404D-15, 404D-22 Compact Industrial Genset & Mini Digger
Cross: 2848A126, FG Wilson Power Solutions
Request Sample / RFQ
01180121 Deutz 110°C Air-Cooled Cutoff
Normally Open (NO)
M10 x 1.5 1-Pin Screw Deutz 912 / 913 Series air-cooled engines: F2L912, F3L912, F4L912, F6L912
Cross: 01182377, 04190847, 01178982, 04212555, VDO 29/2/2
View Product Specs
04212555 Deutz Oil-Cooled 120°C Oil Temp Cutoff
Normally Open (NO)
M14 x 1.5 2-Pin Blade Deutz 1011 / 2011 Oil-Cooled F2M1011, BF4M2011 Bobcat / Gehl Skid Steer
Cross: 04190847, Deutz Engine Protection
Request Sample / RFQ
15841-39010 Kubota 105°C Overheat Alarm
Normally Open (NO)
M12 x 1.5 / 1/8 PT 1-Pin Bullet Kubota D722, D902, D1105, V1505, V2203; Bobcat mini-excavators
Cross: 16222-83040, 16851-65510, 15841-83040, Bobcat 6670705
Request Sample / RFQ
19267-83040 Kubota Heavy 108°C High-Heat Switch
Normally Open (NO)
PT 3/8 2-Pin Blade Kubota V3300, V3600, V3800 Turbo Tractors M9000, M105, KX080 Excavators
Cross: 16222-83042, Kubota Industrial Diesel
Request Sample / RFQ
121250-44901 Yanmar 105°C Marine/Genset Alarm
Normally Open (NO)
PT 3/8 1-Pin Bullet Yanmar 3TNE, 4TNE, 3TNV, 4TNV88, 4TNV98 industrial & marine diesels
Cross: 124450-44902, 124250-49350, 129150-49360
Request Sample / RFQ
124250-49350 Yanmar Marine 95°C Seawater/Coolant
Normally Open (NO)
PT 3/8 1-Pin Screw Yanmar Marine Inboard 3JH, 4JH, 4LH, 6LP Diesel Propulsion
Cross: Yanmar Marine Sentry Switch
Request Sample / RFQ
23515251 Detroit Diesel 208°F (98°C) Shutdown
Normally Open (NO)
1/2"-14 NPT 2-Pin Weatherpack Detroit Diesel Series 60 (12.7L, 14.0L), DD13, DD15 Freightliner Cascadia
Cross: 23517457, 23518092, DDC Heavy Fleet Switch
Request Sample / RFQ
612600090288 Weichai Power 98°C Heavy Truck Alarm
Normally Open (NO)
M16 x 1.5 1-Pin Bullet Weichai Steyr WD615, WP10 Heavy Trucks Shacman, Sinotruk HOWO, Foton Auman
Cross: 612600090506, Weichai Heavy Truck OE
Request Sample / RFQ
612600090506 Weichai Power 103°C Landking Cutoff
Normally Open (NO)
M16 x 1.5 2-Pin AMP Weichai WP12, WP13 Heavy Dump Truck, Mining Tipper, Heavy Hauler
Cross: Weichai Electronic Protection Switch
Request Sample / RFQ
150-1115030 Yuchai Diesel 98°C Bus & Truck Alarm
Normally Open (NO)
M14 x 1.5 1-Pin Bullet Yuchai YC6108, YC6A, YC6L Heavy Transit Bus Yutong, King Long, Zhongtong
Cross: Yuchai Power Commercial Switch
Request Sample / RFQ
0280130214 Bosch / Mercedes-Benz 35°C / 8s Cold Start
Timed Bimetal Cutoff
M14 x 1.5 2-Pin Bosch EV1 Mercedes W123, W124, W126, R107 280E, 380SL, 500SEL K-Jetronic / KE-Jetronic
Cross: A0045459114, 0045459114, 0065459024, FEBI 01777, VDO 29/2/2
View Product Specs
0280130219 Bosch / BMW 35°C / 8s Cold Start
Timed Bimetal Cutoff
M14 x 1.5 2-Pin Bosch EV1 BMW E30 325i/325e, E28 528i/535i, E24 635CSi, E23 735i L-Jetronic
Cross: 13621362599, 13621274630, 13621357414, Bosch Classic
Request Sample / RFQ
0280130218 Bosch / Porsche 45°C / 15s Cold Start
Timed Bimetal Cutoff
M14 x 1.5 2-Pin Bosch EV1 Porsche 911 (1974-1989), 924, 928, 930 Turbo 3.0L / 3.3L CIS K-Jetronic
Cross: 91161711700, 92860611300, Bosch Classic Heritage
Request Sample / RFQ
0280130217 Bosch / VW / Audi 35°C / 8s Cold Start
Timed Bimetal Cutoff
M14 x 1.5 2-Pin Bosch EV1 VW Beetle, Golf 1 GTI 1.6/1.8 EG/DX, Scirocco, Audi 80/100 Quattro
Cross: 043906163A, 035906161A, 026906161, FEBI 01778
Request Sample / RFQ
0280130215 Bosch / Volvo 35°C / 8s Cold Start
Timed Bimetal Cutoff
M14 x 1.5 2-Pin Bosch EV1 Volvo 240, 740, 760 Turbo B21ET, B23ET, B28E V6 PRV CIS
Cross: Volvo 1266392, 1346392, Bosch Classic
Request Sample / RFQ
0280130210 Bosch / Saab 35°C / 8s Cold Start
Timed Bimetal Cutoff
M14 x 1.5 2-Pin Bosch EV1 Saab 900 Turbo, 99 Turbo B201, B202 8V K-Jetronic
Cross: Saab 9319808, Bosch Heritage
Request Sample / RFQ
89462-20010 Toyota 22°C – 35°C Cold Start
Bimetal Timer
M14 x 1.5 2-Pin Brown Plug Toyota 4Runner, Pickup (1989-1995 22R-E 2.4L, 3VZ-E 3.0L V6)
Cross: 89462-30011, 89462-20020, Tama BS-109, Standard TS-288
Request Sample / RFQ
89462-30011 Toyota / Lexus 35°C Cold Start Timer
Bimetal Timer
M14 x 1.5 2-Pin Green Plug Toyota Land Cruiser FJ80 3F-E, Celica All-Trac 3S-GTE, MR2 Turbo
Cross: 89462-20010, Toyota Classic EFI Switch
Request Sample / RFQ
043906163A Volkswagen 35°C / 8s Cold Start
Timed Cutoff
M14 x 1.5 2-Pin Bosch EV1 VW Transporter T3 Vanagon 2.0L Air-Cooled / 2.1L Wasserboxer Digijet
Cross: 0280130217, Bosch 0 280 130 217, VW Heritage
Request Sample / RFQ
035906161A Audi Classic 45°C / 8s Turbo Spec
Timed Cutoff
M14 x 1.5 2-Pin Bosch EV1 Audi Ur-Quattro 10V Turbo WR, 200 5T Turbo Type 43/44
Cross: Bosch 0280130214, VAG Classic Heritage
Request Sample / RFQ

Technical Reference

Temperature Switch Engineering & Sourcing Guide

Key design considerations for automotive fleet managers, heavy machinery rebuilders, and auto electrical distributors.

1. Bimetallic Snap-Disc vs. Wax Pellet Actuators

Modern automotive and heavy commercial temperature switches operate on two distinct physical actuation principles:

  • Bimetallic Snap-Disc: Employs two bonded metals with differing thermal expansion coefficients. At calibrated temperature, internal stress causes the curved disc to instantly invert (“snap”), opening or closing silver-alloy contacts in under 5 milliseconds. This eliminates slow contact arcing and pitting.
  • Wax Pellet Actuators: Employs refined paraffin wax mixed with copper particles. When heated, the wax expands sharply, forcing an internal diaphragm and actuating pin to trip heavy-duty electrical contacts. Ideal for high-current fans.

2. Normally Open (NO) vs. Normally Closed (NC) Failsafe Logic

Understanding circuit polarity is critical when replacing OEM thermo switches:

  • Normally Open (NO – Standard European & American): Contact remains open at ambient temperature. When coolant reaches trigger threshold (e.g. 95°C), contacts close to energize the fan relay coil or ground dashboard warning lights.
  • Normally Closed (NC – Toyota & Asian Failsafe): Contact is closed at normal temperatures. When engine reaches 90°C, the switch opens, de-energizing the relay coil which drops onto its normally-closed high-power contact to run the cooling fan. If the sensor wire snaps or disconnects, the cooling fan turns ON continuously to prevent engine destruction.

3. Dual-Speed Two-Stage Fan Circuit Topology

European vehicles (VW, Audi, BMW, Mercedes, PSA) widely utilize 3-pin dual switches to manage electric cooling fan staging:

  • Stage 1 (Low-Speed / 95°C or 80°C): Passes current through an in-line ballast resistor or PWM module to run the fan at 50% speed for quiet, fuel-efficient temperature maintenance during idling.
  • Stage 2 (High-Speed / 102°C or 88°C): Bypasses ballast resistor to supply full 12V direct battery power to both fans during severe highway towing, mountain climbs, or extreme desert summer heat.

4. Thread Pitch, Torque & Sealing Standards

Avoid thread stripping or coolant leakage by observing proper mechanical sealing standards:

  • Metric Parallel Threads (M10, M12, M14, M16, M18, M22): Seal exclusively against the flat machined flange using an annealed copper or aluminum crush washer. Recommended installation torque: M14 (25-30 Nm), M22 (35-45 Nm). Never use PTFE tape on parallel threads.
  • NPT American Taper Threads (1/8″, 3/8″, 1/2″ NPT): Seal along the tapered thread flanks. Hand tighten plus 1.5 to 2.5 turns. Apply high-temperature anaerobic thread paste to ensure seal integrity up to 35 bar pressure.

Diagnostic Procedure

How to Test a Temperature Switch on the Bench

Step-by-step diagnostic verification using a controlled liquid bath and digital multimeter.

01

Cold Circuit Continuity Test

Connect multimeter probes set to Ohms/Continuity across switch terminals. Verify switch is OPEN for NO switches (displaying ‘OL’) or CLOSED for NC switches (< 0.5 Ohms). Inspect brass hex and probe for cracks or scale deposits.

02

Liquid Bath Heating

Submerge the brass probe into a container of water (for set points < 98°C) or mineral oil / engine coolant (for set points > 100°C). Do not submerge electrical terminals. Heat slowly while stirring with a calibrated digital thermometer placed beside the probe.

03

Snap-Action Trigger Verification

Listen for the audible mechanical ‘click’ as the bimetal disc snaps. Multimeter must instantly beep and show < 0.2 Ohms contact resistance within ± 2°C of the stamped rating (e.g. 98°C ± 2°C). High resistance indicates oxidized or pitted internal contacts.

04

Cooling Hysteresis Check

Allow the bath to cool naturally. The switch should reset (open again) approximately 5°C to 10°C below its trigger point (e.g. at 90°C-92°C for a 98°C switch). This hysteresis prevents rapid on-off cycling of fan motors.

Direct Factory Supply

Request Wholesale Quotation or Custom Set-Point Calibration

SHR Autoparts supports volume warehouse distributors, engine rebuilders, and fleet operators worldwide. We provide custom switching temperature calibrations (60°C to 130°C in 2°C increments), custom wire harness lengths, Deutsch/Weatherpack connector terminations, and private-label retail packaging.

document.addEventListener(‘DOMContentLoaded’, function() {
const searchInput = document.getElementById(‘shr-ts-search’);
const tabs = document.querySelectorAll(‘.shr-ts-tab’);
const table = document.getElementById(‘shr-ts-table’);
const countEl = document.getElementById(‘shr-ts-count’);
if (!table || !searchInput) return;

const rows = Array.from(table.querySelectorAll(‘tbody tr’));
let currentFilter = ‘all’;

function filterTable() {
const query = searchInput.value.toLowerCase().trim();
let visibleCount = 0;

rows.forEach(row => {
const cat = row.getAttribute(‘data-cat’) || ”;
const searchData = (row.getAttribute(‘data-search’) || ”).toLowerCase();

const matchesCat = (currentFilter === ‘all’ || cat === currentFilter);
const matchesQuery = (!query || searchData.includes(query));

if (matchesCat && matchesQuery) {
row.style.display = ”;
visibleCount++;
} else {
row.style.display = ‘none’;
}
});

if (countEl) {
countEl.textContent = `Showing ${visibleCount} of ${rows.length} models`;
}
}

searchInput.addEventListener(‘input’, filterTable);

tabs.forEach(tab => {
tab.addEventListener(‘click’, function() {
tabs.forEach(t => t.classList.remove(‘is-active’));
this.classList.add(‘is-active’);
currentFilter = this.getAttribute(‘data-filter’) || ‘all’;
filterTable();
});
});
});

Type a part number, vehicle brand, or model to search  |  Press Esc to close