Engine temperature sensor Audi A4 B5 (8D) 1994–2001 1.8 T AEB 8D0959481B

Part type

Engine temperature sensor

Also known as

Coolant temperature sensor

Manufacturer

Audi

Model

A4 B5 (8D)

Years

1994–2001

Engine

1.8 T

Engine code

AEB

Part brand

ELTH

SKU

8422D4DF

OEM

8D0959481B

This engine temperature sensor monitors coolant temperature and controls the electric cooling fan operation on the 1.8 T AEB engine. Part of the cooling system, it helps maintain optimal engine temperature. Removed from an Audi A4 B5 (1994–2001) donor vehicle. Match the OEM code 8D0959481B against your original unit before ordering, as fitment varies across A4 generations.