Keeps your various running the way it should — this FEBI part restores the original function of a worn or failed Mt Shaft Seal FEBI OE Ref 0 4248 5652, built to OEM reference 009981327 rather than a generic approximation.
FEBI identifies it as 40538, EAN: 4027816405382. Match that against OEM 009981327 or your old part before fitting, particularly if your vehicle's had any running changes across its production years.
Confirmed for selected various vehicles. Use the vehicle registration lookup tool if you're not certain, or browse Driveshaft & CV Joint for other options.