Injector Cup O-Ring - Duramax LB7 2001 - 2004 pkg of 16 ?Engineered Diesel thanks you for your business! Part# EDDED0104ICOR16 Replace damaged injector cup o-rings to ensure no coolant contamination into the engine oil. Dama...

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Injector Cup O-Ring - Duramax LB7 2001 - 2004 pkg of 16 ?Engineered Diesel thanks you for your business! Part# EDDED0104ICOR16 Replace damaged injector cup o-rings to ensure no coolant contamination into the engine oil. Damaged seals will allow cross contamination.

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