Keeps your various running the way it should — this FEBI part restores the original function of a worn or failed Steering Knuckle Lock Ring FEBI OE Ref 81.90310.0198, built to OEM reference 81903100197 rather than a generic approximation.
FEBI identifies it as 05880, EAN: 4027816058809. Match that against OEM 81903100197 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 Suspension for other options.