Engine Gaskets & Seals

Eastern Motorcycle Parts - A-16574-99 - Dowel Pins - Big TwinFeaturesUsed in crankcase and motor for transmission case applicationsMade in the USAReplacement Part for OEM Number(s): 1657499ASpecsUnits10 PackProduct NameDowel PinRiding...

Cometic - C9767 - Top End Gasket - Big Bore - Big Twin - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber materialHead gasket material allows heat to...

Cometic - C9766 - Top End Gasket Kit - Big Bore - Big Twin - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber materialHead gasket material allows...

Cometic - C9765 - Rocker Gasket - EST - XLFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxesMade in the U.S...

Cometic - C9764 - Rocker Gasket - EST - XLFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxesMade in the U.S...

Cometic - C9763 - Top End Gasket Kit - XL1200 - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber materialHead gasket material allows heat to be drawn...

Cometic - C9752 - Rocker Gasket - EST - Big TwinFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxesMade in...

Cometic - C9761 - Top End Gasket Kit - XL1100 - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber materialHead gasket material allows heat to be drawn...

Cometic - C9753 - Rocker Gasket - EST - Big TwinFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxesMade in...

Cometic - C9066 - Rocker Box Gasket - SLS - XLFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxesMade in the...

Cometic - C9760 - Top End Gasket Kit - XL883 - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber materialHead gasket material allows heat to be drawn...

Cometic - C9553 - Cylinder Base Gasket - .020" - XLFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleViton® gasket features a stainless steel core with a ...

Cometic - C9555 - Cylinder Base Gasket - 3.625" - .020" - XLFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleViton® gasket features a stainless steel...

Cometic - C9552 - Cylinder Base Gasket - 3.625" - .020" - EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleViton® gasket features a stainless steel...

Cometic - C9551 - Cylinder Base Gasket - 3.500" - .020" - EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleViton® gasket features a stainless steel...

Cometic - C9588 - Rocker Box Gasket Kit - Twin CamFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxesMade in...

Cometic - C9745 - Head Gasket - 3.750" x .040" - 88"/96" - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a composite material...

Cometic - C9721 - Head Gasket - 3.875" x .030" - 95"/103" - '99-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a composite material...

Cometic - C9722 - Head Gasket - 3.875" x .040" - 95"/103" - '99-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a composite material...

Cometic - C9790 - Head Gasket - 3.750" x .030" - 88"/96" - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a composite material...

Cometic - C9690 - Head Gasket - 3.625" x .030" - '84-'99 EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a composite material with a steel...

Cometic - C9688 - Head Gasket - Standard - 3.500" x .030" - '84-'99 EVO/'88-'22 XL 1200FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a...

Cometic - C9691 - Head Gasket - 3.625" x .040" - '84-'99 EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleCFM is a composite material with a steel...

Cometic - C9780 - Top End Gasket Kit - 95" - Twin Cam - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber materialHead gasket material allows heat to...

Cometic - C9779 - Top End Gasket Kit - Twin Cam 88 - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber materialHead gasket material allows heat to be...

Cometic - C9747 - Top End Gasket - Big Twin - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber materialHead gasket material allows heat to be drawn...

Cometic - C9635 - Top End Gasket - Big Twin - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber materialHead gasket material allows heat to be drawn...

Cometic - C10305 - Oil Pump SealFeaturesReplacement Oil Pump SealReplacement Part for OEM Number(s): 62400205SpecsRiding StyleStreetMaterialVitonTypeOil PumpProduct NameSealUnitsEachFitment2017-2021 Harley-Davidson CVO Electra Glide Ultra Limited...

Cometic - C10189 - Breather Assembly O-RingFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.Replacement Part for OEM Number(s): 11900116SpecsRiding StyleStreetMaterialVitonUnits10...

Cometic - C9224 - Outer Rocker O-RingFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.SpecsRiding StyleStreetApplicationLower Rocker CoverProduct NameSealMaterialVitonUnits4...

Cometic - C10363 - Crankcase Gasket - 0.012"FeaturesHigh-quality products for long term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the USAReplacement Part for OEM Number(s):...

Cometic - C10362 - Head Gasket - 0.024"FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMulti-Layer Steel (MLS) gasket features two outer Viton®-coated...

Cometic - C10362-HB - Cylinder Head/Base Gasket KitFeaturesContains a pair of 106 mm bore MLX Multi layer steel with stopper layer head gaskets, and a pair of Single Layer Steel (SLS) base gaskets. The gaskets are stainless steel with an Elastomer...

Cometic - C10361 - Base Gasket - 0.010"FeaturesHigh quality products for long-term reliabilityManufactured from premium fuel-resistant materialsViton gaskets feature a stainless steel core with a .001" thick coating of Viton rubber on both sidesMade in...

Cometic - C10359 - Rocker Box Rebuild Gasket 88"/96"/103" with O-Rings and Tappet Gaskets - Twin CamFeaturesPremium materials used for specific applications to provide a long, service free lifeKit includes all gaskets and O-rings needed when servicing...

Cometic - C10358-036 - Head Gasket - 4.125" - .036" - MLX - Twin CamFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittle4.125" big bore is a popular big bore for performance-oriented Harleys, as it...

Cometic - C10358-032 - Head Gasket - 4.125" - .032" - MLX - Twin CamFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittle4.125" big bore is a popular big bore for performance-oriented Harleys, as it...

Cometic - C10348-036 - Head Gasket - 4.500" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding of the combustion sealProprietary high-temperature...

Cometic - C10347-036 - Head Gasket - 4.430" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding of the combustion sealProprietary high-temperature...

Cometic - C10336-040 - Head Gasket - 4.320" x 0.040" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding of the combustion sealProprietary high-temperature...