OIL CAP O-RINGOil Cap O RingQuality tested – this part has undergone try-on and material testing to ensure a quality fit and long service lifeEngine, Oil, Filler, Cap, O-Ring, O-Rings, CapsEngine Oil Cap O-ringIdeal replacement – this oil filter cap O-ring matches the fit and function of the original partThis oil filler cap O-ring matches the dimensions of the original O-ring to provide a reliable seal. Made of premium materials to ensure leak-free performance.Engine Oil Filler Cap SealDurable materials – this O-ring is made from quality a material to ensure leak-free performanceGeneral Motors 2020-97Convenient shop supply – this part is ideal to have on hand for routine serviceEngine Oil Filler Cap Gasket