454-9549 DEF Dosing Valve Injector for Caterpillar Excavator Wheel Loader C7.1 C9.3 C13
In stock — 50 pcs
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For newly listed parts, ask sales for matching records, sample-test feedback, or application references before bulk ordering.
Interchangeable OE Numbers & DEF Tank Header Matrix
Direct OE replacements, aftermarket cross-references, tank depth and ultrasonic quality sensor fitment verified by SHR Autoparts. All sensors comply with IATF 16949 standards.
| OE / Part Number | Manufacturer / Series | Interchange Role | Catalog Fitment |
|---|---|---|---|
| 454-9549 | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| 4549549 | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| 388-7554 | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| 3887554 | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| 479-7724 | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| 4797724 | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| 524-1151 | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| 5241151 | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| 0444023034 | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| 0444023035 | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| ON-HIGHWAY | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| FLOW-TESTED | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| FACTORY-DIRECT | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| PRESSURE-SEALED | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| MULTI-HOLE | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
| HIGH-GRADE | DEF / AdBlue OEM / Equivalent | Direct Interchangeable Number | Direct Interchange |
Specifications
| OE | 454-9549 |
|---|---|
| Interchange Matrix | View full interchangeable OE numbers & cross-reference ↓ |
| Internal SKU | DEF-DOSING-4549549-CAT |
| Product type | Caterpillar, DEF Doser Injector |
| Sample MOQ | 1 pc sample order supported |
| Warranty | Confirm warranty terms with sales before shipment |
| Availability | In stock — 50 pcs |
Cross Reference & OE Interchange
↑ Jump to full OE interchange matrix table with direct catalog links
Fitment
Vehicle application: Caterpillar Excavators 320E, 323E, 336E, Wheel Loaders 950K, 966K, 980K, CT660 On-Highway Trucks, C7.1, C9.3, C13, C15 Tier 4 Final
Confirm engine model, vehicle application, and connector shape with sales before wholesale ordering.
Shipping & Warranty
Samples are positioned for fast dispatch where stock is available. Bulk orders can support neutral packaging or project-specific packing requirements after RFQ confirmation.
454-9549 DEF Dosing Valve Injector for Caterpillar Excavator Wheel Loader C7.1 C9.3 C13. Factory-direct OEM replacement component from SHR Autoparts. Precision-engineered for SCR diesel emission aftertreatment, manufactured under certified IATF 16949 quality management, 100% flow-tested, pressure-sealed, and bench-calibrated before dispatch.
Key Engineering Features
- Precision Metering: High-precision multi-hole spray orifice calibrated to OEM flow specifications (2–15 L/h dynamic range).
- Anti-Crystallization Heating: Integrated internal 12V / 24V electric heating element prevents AdBlue / DEF freezing and tip clogging.
- Corrosion Resistance: High-grade surgical stainless steel and chemical-resistant fluoropolymer seals designed for harsh urea exhaust environments.
- 100% Plug-and-Play Fitment: Exact matching connector pinout, mounting brackets, and exhaust interface — zero ECM reflash or modification required.
- IATF 16949 Certified: Every unit passes 60-second delivery flow verification and key-off reversing valve vacuum checks (-0.3 to -0.5 bar).
Verified Vehicle & Engine Fitment
Caterpillar Excavators 320E, 323E, 336E, Wheel Loaders 950K, 966K, 980K, CT660 On-Highway Trucks, C7.1, C9.3, C13, C15 Tier 4 Final
Interchangeable OE Part Numbers
454-9549, 4549549, 388-7554, 3887554, 479-7724, 4797724, 524-1151, 5241151, 0444023034, 0444023035
Technical Specifications
| Primary OE Number | 454-9549 |
| Product Category | DEF / AdBlue Doser Injector & Dosing Modules |
| SCR System Generation | CAT Clean Emissions Module (CEM) SCR |
| Operating Voltage | 24V Heavy Equipment |
| Fluid Compatibility | Standard ISO 22241 / AUS32 AdBlue & Diesel Exhaust Fluid (DEF) |
| Operating Pressure | 4.5 – 9.0 bar operating range |
| Condition | 100% Brand New OE-Quality Replacement |
| Quality Certification | IATF 16949 / ISO 9001:2015 / CE Certified |
| Factory Warranty | 12 Months Unlimited-Mileage Global Warranty |
SKU: DEF-DOSING-4549549-CAT
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Frequently asked questions
Which vehicles does this part fit?
This part is specified for Caterpillar, Cat. Because the same sensor fits several variants, confirm against your VIN or OE number before ordering; our team cross-references on request.
What OE part numbers does this replace?
It replaces the OE number shown in the product title. Send us your original part number and we will confirm the exact match.
What warranty and quality standard apply?
SHR builds this sensor under IATF16949 controls with OE-matching calibration. It carries a 1-year warranty against manufacturing defects; a failed unit is replaced free of charge within the warranty period.
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