Seller notes

For 1977-1990 Pontiac Bonneville Expansion Tank Cap Dorman 59442QDKJ 1978 1979 Review Fitment Notes to Ensure Proper Fit Condition: NewBrand: DormanNotes: Engine Coolant Reservoir Cap -- Screw On Cap; White LetteringColor: BlackPressurized: NoPackage Contents: 1 Coolant CapFeatures:Directly replaces a cracked or lost original capApplication specific - made to match dimensions of reservoir cap on only certain vehicle years, makes and modelsSeamless fit - reverse-engineered from the original equip...

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