Engine Number/Engine Specifications

Engine Number

The engine number ("engine code" and "serial number") is located on the front of the cylinder block at the top -arrow-.

Fig 1: Engine Code And Serial Number Location
Courtesy of AUDI OF AMERICA, LLC
A sticker with the "engine code" and "serial number" is also on the intake manifold.
Engine codes beginning with "C" are four letters long.
The first three positions of the engine code stand for displacement and the mechanical engine structure. They are stamped in the cylinder block, including the serial number.
The fourth position represents the engine output and torque and is dependent on the engine control module.

NOTE:

The four digit engine code is on the type plate (market-specific), vehicle data label and engine control module.

Component locations of the type plate (market-specific) and vehicle data label. Refer to the appropriate service information

Engine specifications. Refer to Engine Overview .