Audi Parts and VW Parts by Engine code

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Every manufacturer has different ways of coding their vehicles. If you are looking for BMW parts you often need to know the chassis code. For Audi Parts and Volkswagen Parts it is the Engine Code.

Where do you find the Engine Code? Typically there is a metal plate located under the hood. This will have lots of information about the vehicle. The engine code for Audi is typically a 3 letter code.

The engine code for an 2001-2004 VW Jetta Diesel is ALH. This ‘ALH’ engine is also used in the Beetle diesel engine and can be used to find parts. In 2004 they introduced the BEW Diesel engine. In 2004 it was a transition year. You would need to know this code since they sold both engines that year.