AdBlue / DEF / Urea Level Sensor
Freightliner DEF Level Sensors & Tank Headers
Freightliner DEF level sensors and DEF tank header assemblies for M2, Cascadia and Cummins-powered applications.
AdBlue / DEF / Urea Level Sensor Appearance Diagram
Use this diagram to identify the main parts of an integrated SCR tank sensor assembly: electrical connector, cable harness, coolant tubes, mounting flange, level sensor rod, temperature sensor, urea quality sensor, heater coil and bottom protective base.
- Helps buyers compare connector, length and tank installation structure before RFQ.
- Covers common names: AdBlue level sensor, DEF level sensor, urea level sensor and DEF header sensor.
- Useful for sample confirmation, bulk purchasing and aftermarket cross-reference checks.
Available OE Querverweis Numbers
Use these pages for quick sourcing. Compatibility must be confirmed by original part number, connector, voltage, sensor length, tank depth and vehicle application before ordering.
DEF Tank Level Sensor with Steel Header for Freightliner Cummins OEM 04-31354-004
OE: 04-31354-004
Freightliner / Cummins 6-bolt DEF tank applications
Diesel Exhaust Fluid Level Sensor for Freightliner Cummins OEM 04-31353-001
OE: 04-31353-001, 0431353001
North America heavy-duty DEF tank applications; verify by tank module
DEF Tank Fill Level Sensor for Freightliner M2 OEM A04-27942-000
OE: A04-27942-000
Freightliner M2 106 / M2 112, 6 gal galvanized DEF tank
Diesel Exhaust Fluid Level Sensor for Freightliner OEM A04-27943-001
OE: A04-27943-001
Freightliner / Cascadia DEF tank; VIN confirmation required
DEF Header Level Quality Sensor for Freightliner M2 OEM 04-30774-004
OE: 04-30774-004
Freightliner M2 106 Cummins engines; DEF header level/quality sensor
Buying Guide
- Provide the OE number or cross-reference number on the original sensor.
- Send clear photos of the connector, label, float/pickup tube and complete sensor length.
- Confirm whether the DEF header includes heating, temperature or quality sensing.
- For distributors, send target quantity, packing request and destination country.
Aftermarket Notice
Brand names and OE numbers are used for reference and compatibility identification only. Unless explicitly stated, products are aftermarket replacement parts and not genuine OEM parts.