Keeps your various running the way it should — this DIESEL TECHNIC part restores the original function of a worn or failed Seal Ring DIESEL TECHNIC OE Ref 3986189, built to OEM reference 1120922 rather than a generic approximation.
DIESEL TECHNIC identifies it as 2.65034, EAN: 0405779502925. Match that against OEM 1120922 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 Accessories for other options.