Lambda sensor Audi A4 B7 (8E) 2004–2008 2.0 TDI 0281004020

Part type

Lambda sensor

Also known as

Oxygen sensor, O2 sensor

Manufacturer

Audi

Model

A4 B7 (8E)

Years

2004–2008

Engine

2.0 TDI

Part brand

Bosch

SKU

B1A75467

OEM

0281004020

0281004021

Lambda sensor from a 2006 Audi A4 B7 with 2.0 TDI diesel engine. Bosch OEM part matching codes 0281004020 or 0281004021. This oxygen sensor monitors exhaust gas composition to optimize fuel injection and emissions control. Verify the OEM code on your original unit before ordering to ensure fitment.