OEM DEF AdBlue Level Sensor Sprinter 2500 3500 A3E98001871 Fits 0004707400 Pump

OEM DEF / AdBlue fluid level sensor assembly removed from original pump unit.

This is the complete sensor module (white housing + black electronic unit) that mounts onto the DEF pump and reads fluid level inside the tank.

Mercedes part number on housing:
A3E98001871

Additional numbers on unit:
8001757
0178892

This sensor is used with newer Mercedes-Benz Sprinter DEF pump assemblies, including pumps with part numbers:

0004707400
000470740064
000470740080

If your DEF pump is still functioning but you’re getting level or sensor-related faults, this is often the failed component — no need to replace the full pump.

Fits Sprinter 2500 / 3500 models with SCR / AdBlue system.
Match part number or compare to your existing unit.

Sold exactly as pictured.

Message with VIN if you want help confirming fitment.