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Add to CartSierra 18-3863 Head Gasket is a replacement part for Mercury Marine engines. Sierra aftermarket parts are manufactured to meet or exceed OEM requirements.
Interchangeable with:
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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Sierra 18-2946 Head Gasket Replaces 27-52364 This head gasket fits GM 181 3.0L CID engines. Replaces: Mercruiser OEM 27-52364, 27-810841, F15000204 OMC and Volvo OEM 3853336, 908611,...
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Sierra 18-3878 Head Gasket for OMC, Mercruiser, and Chrysler Sierra replacement engine parts are designed to meet OEM specifications. Sierra 18-3878 Head Gasket fits MCM 3.7L engines (1976-1989)...
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Sierra 18-3879 Head Gasket Sierra replacement head gasket for Mercruiser Stern Drives, OMC Stern Drives, and Volvo Penta engines. Fits: GM 262 (4.3L) CID Engines Interchangeable...
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Sierra 18-3857 Head Gasket Sierra high-quality engine parts are designed to meet OEM specifications. For use on Chrysler/Force/US Marine and Mercury Sport Jet engines. Interchangeable...
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Sierra 18-3887 Head Gasket for 7.4L Crusader, Mercruiser, OMC, and Volvo Engines Sierra high-quality engine parts are designed to meet OEM specifications. For 7.4L 454 CID Gen V and VI...
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Sierra 18-3876 Head Gasket for 5.0 & 5.7L OMC, Volvo, Mercruiser Sierra high-quality engine parts are designed to meet OEM specifications. Fits MCM/MIE GM V-8 (283, 305, 327, 350 & 377 CID)...
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Head Gasket for Johnson & Evinrude Use for Engine Models: 5hp (1984-85), 5.5hp (1959-64), 6hp (1965-79) Replaces: OMC-0329103, GLM-33830, Redline-RL2961
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Head Gasket for Johnson & Evinrude Use for Engine Models: 65 Jet (1991-95) 2 head gaskets required per engine 75hp (1960-65), 80 Jet (1991-96) 2 head gaskets required per engine 85hp...
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