White silicone O-ring for ALL BMW R Airhead Oil Filters with or without Oil Cooler.
BMW R 1969-1996 (Airhead)
BMW : R45, R60, R65, R75, R80, R90, R100
1969 to 1996
11 42 1 337 098
, supercedes to 11 42 1 264 160
(refer to "Extended Information" Tab for more specific application information )
Often referred to as the $2,000 O-ring. Replacement of this O-ring is crucial; if there is not sufficient compression from the cover upon the O-ring, canister lip oil pressure is lost and catastrophic engine failure can occur due to oil pressure loss.