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Audi Parts

Audi Parts Guides & Technical Articles

Fitment guides, OE part number breakdowns, and repair write-ups for Audi owners. Written by the technicians who pick the parts.

EV

The e-tron trap: why the e-tron GT takes different parts

Audi sells several unrelated cars with e-tron in the name. The GT shares its platform with a Porsche, not with the e-tron SUV, and the part numbers prove it.

Body

Quarter panels: what a genuine one costs, and when to repair instead

A genuine Audi quarter panel is a welded structural stamping, priced accordingly. Here is what drives the cost and how to decide between replacing and repairing.

Brakes

Audi brake discs: why one costs a hundred and another costs thousands

Discs are sold singly, sub-group tells you which axle, and the price range across the catalogue spans two orders of magnitude for a good reason.

Fitment guide

Why your year and model are not enough

A 2016 A4 can be one of two completely different cars. Chassis generation and engine code are what actually determine fitment — here is how to find both.

Cooling

Radiator or auxiliary radiator? Sub-groups 251, 253 and 212

Retailers list all three as "radiator". They are different components with different jobs, and ordering the wrong one is one of the most common returns we see.

Part numbers

How to read an Audi OE part number

Every Audi part number tells you the platform, the system, the component and the revision. Learn to read one and you can check fitment yourself in about ten seconds.