Please select your car specification from the list below, or return to the model list, or return to the Oxygen Sensor category page.

PLEASE NOTE: All sensors listed on these page are front/pre-cat/upstream sensors unless they have "(Post Catalytic Convertor)" in their description. ( Unsure what front/pre-cat/upstream means? Click here for information )

Model	Engine Code	Chassis	Years	Price inc VAT and P&P = in stock
Audi A4 1.8i				Direct-fit	Universal
A4 1.8i 20v 125bhp	ADR		11/1994 to 4/1999		£ 24.95
A4 1.8i 20v 125bhp	ADR		11/1994 to 4/1999	£ 99.00	£ 24.95
A4 1.8i Turbo 20v 150bhp	AEB	8D T 400 000 or lower	2/1995 to 1/1999		£ 24.95
A4 1.8i Turbo 20v 150bhp	AEB	8D V 000 001 or higher	2/1995 to 1/1999		£ 24.95
A4 1.8i Quattro Turbo 20v 180bhp	AJL		5/1999 to 9/2001		£ 24.95
A4 1.8i Turbo 20v 150bhp	ANB		1/1999 to 6/2000		£ 24.95
A4 1.8i Turbo 20v 150bhp (Post Catalytic Convertor)	ANB		1/1999 to 6/2000		£ 24.95
A4 1.8i 20v 125bhp	APT		2/1999 to 9/2001		£ 24.95
A4 1.8i Turbo 20v 150bhp	APU		2/1999 to 9/2001		£ 24.95
A4 1.8i 20v 125bhp	ARG		2/1999 to 9/2001		£ 24.95
A4 1.8i Turbo 20v 150bhp	AVJ		12/2000 to 6/2002	£ 74.95
A4 1.8i Turbo 20v 150bhp (Post Catalytic Convertor)	AVJ		12/2000 to 6/2002		£ 24.95
A4 1.8i 20v 125bhp	AVV		6/2000 to 9/2001	£ 74.95
A4 1.8i 20v 125bhp (Post Catalytic Convertor)	AVV		6/2000 to 9/2001		£ 24.95
A4 1.8i Quattro Turbo 20v 150bhp	AWT		6/2000 to 9/2001	£ 74.95
A4 1.8i Quattro Turbo 20v 150bhp (Post Catalytic Convertor)	AWT		6/2000 to 9/2001		£ 24.95
A4 1.8i Turbo 20v 150bhp	AWT		6/2000 to 9/2001	£ 74.95
A4 1.8i Turbo 20v 150bhp (Post Catalytic Convertor)	AWT		6/2000 to 9/2001		£ 24.95
A4 1.8i Turbo 20v 180bhp	BEX		5/2003 onward	£ 74.95
A4 1.8i Turbo 20v 180bhp (Post Catalytic Convertor)	BEX		5/2003 onward		£ 24.95
A4 1.8i Turbo Convertible 20v 163bhp	BFB		12/2002 onward	£ 74.95
A4 1.8i Turbo Convertible 20v 163bhp (Post Catalytic Convertor)	BFB		12/2002 onward		£ 24.95
A4 1.8i Turbo Saloon / Estate 20v 163bhp	BFB		6/2002 to 5/2003	£ 74.95
A4 1.8i Turbo Saloon / Estate 20v 163bhp (Post Catalytic Convertor)	BFB	8E 5 400 000 or lower	6/2002 to 5/2003		£ 24.95

If your model is not listed here, please complete our online form for more information. We can normally get hold of most sensors within a few days.

Pre-cat / Post-cat? What does that mean?

All petrol cars sold within the EU from 2001 onwards (and some before then) will have 2 or more oxygen sensors:

There will be at least one sensor at the front of the vehicle, mounted into the exhaust pipe or manifold somewhere before the catalytic convertor.
This is known as the front, pre-cat or upstream sensor.
V-type engines (V6, V8 etc) will often have one pre-cat sensor for each bank of cylinders.
There will then be another sensor positioned after the catalyst, known as the rear, post-cat or downstream sensor.
Under normal circumstances, the rear sensor does not have any direct impact on the fuel mixture (and therefore the running and emissions of the engine) - it is there to offer a comparison value after the catalyst, allowing the car to monitor the performance of the cat.

ALL sensors listed on these page are front / pre-cat / upstream sensors unless they have "(Post Catalytic Convertor)" in their description.

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Direct-fit & Universal Oxygen Sensor Application List

Also known as O2 sensors, HEGO sensors, Lambda sensors

Model

Engine Code

Chassis

Years

Price

Pre-cat / Post-cat? What does that mean?