Engine Gaskets & Seals

Colony - 8139-34 Motor Case Acorn Hardware Kit fits '70-'78 Big Twin Models Features: Individual acorn bolt and nut sets for specific applications Includes washers Made in the USA Fitment 1978 Harley-Davidson Electra Glide...

Colony - Replacement Cylinder Stud Set fits '85-'99 Evolution Big Twin Models (OEM #16837-85B) Features: Heat-treated for strength and durability Equal or surpass original equipment Fitment 2000 Harley-Davidson FXR...

Colony - Cylinder Base Stud Set fits '78-'84 Big Twin Models (OEM #16837-78) Features: Heat-treated for strength and durability Equal or surpass original equipment Made in the U.S.A. Fitment 1984 Harley-Davidson Electra Glide Special...

Colony - Cylinder Base Nut Kit fits '57-'85 Sportster Models (OEM #0123, 7804) Features: Individual chrome bolt and nut sets for specific applications Made in the U.S.A. Fitment 1983-1985 Harley-Davidson Sportster 1000...

Colony - Cylinder Base Nut Kit fits '48-'84 Big Twin Models Features: For use on specific applications Made in the U.S.A. Fitment 1984 Harley-Davidson Electra Glide Special FLHX - - 1983-1984 Harley-Davidson Low Rider...

Colony - Cylinder Base Acorn Hardware Kit fits '78-'84 Big Twin Models Features: Individual acorn bolt and nut sets for specific applications Made in the U.S.A. Fitment 1984 Harley-Davidson Electra Glide Special...

Colony - 8441-1 5/8"-18 Crankcase/Oil Tank Cap Timing Plug fits '86-'95 Sportster Models Features: Timing plugs in a variety of styles and fitments Include kit for stripped timing plug holes Fitment 2000 Harley-Davidson FXR...

Colony - 11/16"-16 Acorn/Oversized Timing Plug Crankcase/Oil Tank with Special Tap fits '86-'95 Sportster Models Features: Timing plugs in a variety of styles and fitments Include kit for stripped timing plug...

Colony - 1/2"-13 Standard Drain Plug Transmission/Motor Case/Oil Tank w/ Brass Gasket (OEM #62702-52, 707) - Chrome Features: Made in the USA

Colony - 9876-2 Chrome Oil Screen Plug fits '70-'80 Big Twin Models (OEM #657) Features: Oil Screen plug for Big Twin models Made in the USA Fitment 1984 Harley-Davidson Electra Glide Special...

Colony - Oil Relief Plug fits '68-'80 Big Twin Models (OEM #26377-68) Features: Made in the U.S.A. Fitment 1984 Harley-Davidson Electra Glide Special FLHX - - 1983-1984 Harley-Davidson Low Rider...

Cometic - Primary Gasket Kit fits '07-'22 Sportster Models (Exc. '21-'22 Sportster S/RH, '22 Nightster/RH975) This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core with a chemically blown,...

Cometic - Primary Gasket Kit fits '94-'06 Touring Models This kit features Cometic's proprietary AFM (Aluminum Foamette Material) gaskets. These gaskets have an aluminum core with a chemically blown, compounded nitrile synthetic rubber which is bonded...

James Gaskets - Cam Change Gasket Kit fits '17-'21 M8 Softail Models This kit comes with all of the required gaskets, seals, O-rings and cork washers for doing a cam change. Fitment 2020, 2022 Harley-Davidson CVO Tri Glide...

James Gaskets - James Rubber Rocker Box Gasket fits '86-'90 XL 883 Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers. Made in the U.S.A...

James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '91-'03 Sportster Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers. Made in the U.S.A...

James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '04-'06 Sportster Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers. Made in the U.S.A...

James Gaskets - James Rubber Rocker Box Gasket Kit W/ RCM Base Gaskets fits '07-'21 Sportster Models (Exc. '21 Sportster S/RH1250S) This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers. Made in the...

James Gaskets - James Rocker Box Cover Gasket and Seal Kit fits '17-'21 M8 Softail Models This kit comes complete with all of the necessary inner, upper and lower rocker box gaskets and bolt washers. Made in the U.S.A. Fitment 2020,...

James Gaskets - Standard Bore Metal Base Gaskets fits '86-'21 XL Models (Exc. '21 Sportster S/RH1250S) These genuine James Gaskets base gaskets have a steel base with silicone beading on both sides. NOTE: U.S. Patent #5,615,898 and #363,979...

James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '92-'99 Evolution

James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '70-'92 FL, FLH, FLT, FXR, Softail

Sprocket shaft seal. Fits: EL 1936-1940 FL 1941-1954

V-Twin - 49-0967 - UL-ULH Valve Cover Set ZincDescriptionUL and ULH zinc valve cover set. Fits:ULH 1939-1941UL 1939-1948Additional Information OEM No.18236-39 UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages798 Replacement...

V-Twin - 49-0629 - Alemite Grease Fitting RawDescriptionAlemite frame grease fitting features a raw finish and have 67.5  angle as original, early style without ball seal at the end, for 1936-1938 restoration. Fits:WL 1938-1940EL 1936-1938UL...

V-Twin - 49-0192 - Valve Cover Set ZincDescriptionZinc valve covers is a 12 piece set including valve cover seals. Fits:UL 1937-1938Additional Information UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages798 Replacement Items14-0173 -...

V-Twin - 3749-2 - Magneto to Crankcase Oil Seal Ring and Gasket KitDescriptionMagneto to crankcase oil seal ring and gasket kit. Fits:XLCH 1958-1965Additional Information UOM1 - KIT ManufacturerColony OriginUSA

V-Twin - 3644-16 - Nickel Plated Cylinder Base Lock WasherDescriptionNickel plated cylinder base lock washers.Sold as an 8 piece set. Fits:J 1911-1929Additional Information OEM No. - UOM1 - SET ManufacturerColony OriginUSA

V-Twin - 3568-12 - Inner Primary Mounting Bolt KitDescriptionInner primary mounting bolt kit includes the seals to properly mount the inner primary. Fits:FXBB 2018-UPFXFB 2018-UPFXD 2006-2017FLST 2007-2017FXLR 2018-UPFLHR 2017-UPFLHTC 2017-UPFLTRXS...

V-Twin - 3527-8 - Side Car Frame Lower Clamp Bolt KitDescriptionFrame lower clamp bolt kit includes parkerized bolts and lock washers. Fits:Side Car 1936-1972Additional Information UOM1 - KIT ManufacturerColony OriginUSA

V-Twin - 34-1777 - M8 Crossover Breather PipeDescriptionBlack M8 crossover breather pipe for M8 models. Fits:FLST 2018-UPFLT 2017-UPFXST 2018-UPAdditional Information UOM1 - EA ManufacturerV-Twin OriginImported

V-Twin - 17-0784 - 45 inch Case Detent BushingDescription45" steel case detent bushing features a ground finish. Fits:G 1941-1973W 1941-1952Additional Information UOM1 - EA ManufacturerV-Twin OriginImported

V-Twin - 16-1285 - 45 Engine StandDescriptionEngine stand is for bench use only.Engine stand is painted in V-Twin orange. Fits:WL 1937-1952G 1937-1973U 1937-1948FL 1941-1947EL 1936-1952Additional Information UOM1 - EA ManufacturerMotorshop ...

V-Twin - 15-1848 - AFM Primary Cover Gasket and Seal KitDescriptionAFM primary cover gasket and seal kit.*NOTE: AFM denotes foam gasket surface that is bonded to aluminum. Fits:FXST 2018-UPAdditional Information UOM1 - KIT ManufacturerV-Twin ...

V-Twin - 15-1847 - AFM Primary Gasket and Seal KitDescriptionAFM primary gasket and seal kit.*NOTE: AFM denotes foam gasket surface that is bonded to aluminum. Fits:FLT 2007-UPAdditional Information UOM1 - KIT ManufacturerV-Twin OriginImported ...

V-Twin - 15-1846 - AFM Primary Gasket KitDescriptionAFM primary gasket kit.*NOTE: AFM denotes foam gasket surface that is bonded to aluminum. Fits:FLT 1980-1993FXR 1982-1993Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported TypeKits

V-Twin - 15-1845 - AFM Primary Gasket KitDescriptionAFM primary gasket kit.*NOTE: AFM denotes foam gasket surface that is bonded to aluminum. Fits:FLT 1994-2006FXR 1994-1994Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported TypeKits

V-Twin - 15-1844 - AFM Primary Gasket KitDescriptionAFM primary gasket kit.*NOTE: AFM denotes foam gasket surface that is bonded to aluminum. Fits:FL 1965-1984FXST 1985-1988FX 1971-1981Additional Information UOM1 - KIT ManufacturerV-Twin ...

V-Twin - 15-1843 - AFM Primary Gasket KitDescriptionAFM primary gasket kit.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FXD 1991-1993FLST 1989-1993FXST 1989-1993Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported ...

V-Twin - 15-1641 - Primary Cover Gasket KitDescriptionPrimary cover gasket kit includes aluminum with rubber coating primary cover gasket. Fits:XL 1980-1989Additional Information UOM1 - KIT ManufacturerGary Bang OriginImported TypeKits 2025 Catalog...