Engine
2332 parts
Harley engine parts for Evo, Twin Cam, Milwaukee-Eight and Sportster motors. Jump to cams, big bore kits, heads, gaskets and seals or engine covers. Free US shipping over $100.
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Out of stock
Cycle Pro Llc - 18446 - Oil Pressure Sensor - Fits 2017-2022 M-Eight (repl. OEM #71400112)
Cycle Pro
$28.15Cycle Pro Llc - 18446 - Oil Pressure Sensor Features Accurate reproductions of the OEM sending units Precision calibrated Replacement Part for OEM Number(s): 71400112,71400112A Specs$28.15 -
Out of stock
Cycle Pro Llc - 18432 - Oil Pressure Sensor - Fits 1999-2016 FLHT/FLHX/FLTR
Cycle Pro
$61.55Cycle Pro Llc - 18432 - Oil Pressure Sensor Features Accurate reproductions of the OEM sending units Precision calibrated Replacement Part for OEM Number(s): 7443899A Specs$61.55 -
Out of stock
Eastern Motorcycle Parts - A-29502-08A - Breather Tubes - '08-'13 Big Twin
Eastern Motorcycle Parts
$22.95Eastern Motorcycle Parts - A-29502-08A - Breather Tubes - '08-'13 Big TwinFeaturesHigh-quality OEM-reproduction componentsFor use with OEM backing plates and air filters.Replacement Part for OEM...$22.95 -
Out of stock
Cometic - C9752 - Rocker Gasket - EST - Big Twin
Cometic
$65.05Cometic - 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...$65.05 -
Out of stock
Colony - 7508-20 - Pushrod Kit - Shovelhead/Evolution/Big Twin
Colony Machine
$55.95Colony - 7508-20 - Pushrod Kit - Shovelhead/Evolution/Big TwinFeaturesThese kits contain exact OEM duplicate parts for proper fitmentUpper cover kit contains chrome clips, chrome cups, springs,...$55.95 -
Out of stock
Cometic - C9688 - Head Gasket - Standard - 3.500" x .030" - '84-'99 EVO/'88-'22 XL 1200
Cometic
$61.90Cometic - 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...$61.90 -
Cometic - C9747 - Top End Gasket - Big Twin - EST
Cometic
$142.75Cometic - 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...$142.75 -
Out of stock
Cometic - C9586-M8 - Pushrod O-Ring with Tappet Gaskets - M8
Cometic
$15.70Cometic - C9586-M8 - Pushrod O-Ring with Tappet Gaskets - M8 Features Viton® rubber O-ring seals Include proper quantity for one engine Made in the U.S.A. Specs$15.70 -
Cometic - C9215 - Main Drive Gear Seal - Big Twin/M8
Cometic
$14.65Cometic - C9215 - Main Drive Gear Seal - Big Twin/M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$14.65 -
Cometic - C9262 - Main Shaft Seal - EVO
Cometic
$10.95Cometic - C9262 - Main Shaft Seal - EVO Features High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep, crack or become...$10.95 -
Out of stock
Cometic - C10359 - Rocker Box Rebuild Gasket 88"/96"/103" with O-Rings and Tappet Gaskets - Twin Cam
Cometic
$61.90Cometic - 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...$61.90 -
Out of stock
Cometic - C10250 - Motor Gasket Kit - M8
Cometic
$267.70Cometic - C10250 - Motor Gasket Kit - M8FeaturesEvery gasket in these kit uses the best materials possible for its intended applicationMade in the USASpecs$267.70 -
Out of stock
Cometic - C10242 - Base Gasket - Gen-2 Embossing - M8
Cometic
$33.55Cometic - C10242 - Base Gasket - Gen-2 Embossing - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are...$33.55 -
Out of stock
Cometic - C10164 - Cylinder Head Gasket - 3.937" - M8
Cometic
$61.90Cometic - C10164 - Cylinder Head Gasket - 3.937" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque...$61.90 -
Out of stock
Cometic - C10128 - Complete Gasket Kit - 110"
Cometic
$169.00Cometic - C10128 - Complete Gasket Kit - 110"FeaturesEvery gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel Viton®-coated...$169.00 -
Cometic - C9949 - Top End Gasket Kit - Twin Cam
Cometic
$153.25Cometic - C9949 - Top End Gasket Kit - Twin CamFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$153.25 -
Out of stock
Cometic - C10214 - Transmission/Engine Gasket - M8
Cometic
$12.95Cometic - C10214 - Transmission/Engine Gasket - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$12.95 -
Out of stock
Cometic - C10194 - Cylinder Base Gasket - M8
Cometic
$33.55Cometic - C10194 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed and...$33.55 -
Cometic - C10183 - Lower Rocker Box Gaskets
Cometic
$27.25Cometic - C10183 - Lower Rocker Box GasketsFeaturesViton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides.Made in the U.S.A.Replacement Part for OEM...$27.25 -
Out of stock
Cometic - C10182-030 - Cylinder Head Gasket - 4.320" - M8
Cometic
$61.90Cometic - C10182-030 - Cylinder Head Gasket - 4.320" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$61.90 -
Out of stock
Cometic - C10181-HB - Cylinder Head/Base Gasket - Oil Cooled Heads - M8
Cometic
$79.75Cometic - C10181-HB - Cylinder Head/Base Gasket - Oil Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$79.75 -
Out of stock
Cometic - C10179 - Upper Rocker Box Gasket
Cometic
$13.60Cometic - C10179 - Upper Rocker Box GasketFeaturesViton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides.Made in the U.S.A.Replacement Part for OEM...$13.60 -
Out of stock
Cometic - C10177-010 - Cylinder Base Gasket - M8
Cometic
$33.55Cometic - C10177-010 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed...$33.55 -
Out of stock
Cometic - C9363 - Derby Cover Bolt Washer
Cometic
$5.20Cometic - C9363 - Derby Cover Bolt Washer Features High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep, crack or become...$5.20 -
Cometic - C9131 - Intake Manifold Seal Kit - Evolution
Cometic
$14.95Cometic - C9131 - Intake Manifold Seal Kit - EvolutionFeaturesKit contains one carburetor to intake seal (27002-89) and two intake to cylinder head seals (26995-86B)Made in the U.S.A.Specs$14.95 -
Out of stock
Cometic - C10119 - Motor Gasket Kit - '92-'99 EVO Big Twin
Cometic
$159.55Cometic - C10119 - Motor Gasket Kit - '92-'99 EVO Big TwinFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$159.55 -
Out of stock
Cometic - C10114 - Breather Filter Element Gasket - Twin Cam
Cometic
$3.10Cometic - C10114 - Breather Filter Element Gasket - Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$3.10 -
Out of stock
Cometic - C10088-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.250" x .040" - '14-'16 Twin Cam
Cometic
$59.80Cometic - C10088-040 - Head Gasket - Twin-Cooled/Air-Cooled - 4.250" x .040" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$59.80 -
Out of stock
Cometic - C10087-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.160" x .030" - '14-'16 Twin Cam
Cometic
$59.80Cometic - C10087-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.160" x .030" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$59.80 -
Out of stock
Cometic - C10086-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.125" x .030" - '14-'16 Twin Cam
Cometic
$59.80Cometic - C10086-030 - Head Gasket - Twin-Cooled/Air-Cooled - 4.125" x .030" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$59.80 -
Out of stock
Cometic - C10081-030 - Head Gasket - Twin-Cooled/Air-Cooled - 3.875" x .030" - '14-'16 Twin Cam
Cometic
$59.80Cometic - C10081-030 - Head Gasket - Twin-Cooled/Air-Cooled - 3.875" x .030" - '14-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant...$59.80 -
Out of stock
Cometic - C9976-030 - Top End Gasket Twin Cam - EST
Cometic
$150.10Cometic - C9976-030 - Top End Gasket Twin Cam - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$150.10 -
Out of stock
Cometic - C9221-030 - Complete Gasket Kit - 0.030" - '99-'06 FXST/?FLST and '99-'05 Dyna
Cometic
$209.95Cometic - C9221-030 - Complete Gasket Kit - 0.030" - '99-'06 FXST/?FLST and '99-'05 DynaFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel...$209.95 -
Out of stock
Cometic - C9976 - Top End Gasket - Twin Cam - 4-1/8"
Cometic
$150.10Cometic - C9976 - Top End Gasket - Twin Cam - 4-1/8"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$150.10 -
Out of stock
Cometic - C9221 - Complete Gasket Kit - 0.040" - '99-'06 FXST/?FLST and '99-'05 Dyna
Cometic
$209.95Cometic - C9221 - Complete Gasket Kit - 0.040" - '99-'06 FXST/?FLST and '99-'05 DynaFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel...$209.95 -
Out of stock
Cometic - C9180 - Head Gasket - Standard - .060" - '84-'99 EVO
Cometic
$90.25Cometic - C9180 - Head Gasket - Standard - .060" - '84-'99 EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$90.25 -
Out of stock
Cometic - C9168 - Oil Pump Rebuild Gasket - Fits 1992-1999 Evolution Big Twin
Cometic
$28.30Cometic - C9168 - Oil Pump Rebuild GasketFeaturesIncludes correct amount of gaskets, seal, O-rings, retaining rings and keys for one applicationMeets or exceeds OEM qualityPremium vulcanized rubber...$28.30 -
Out of stock
Cometic - C9164 - Complete Gasket Kit - 3-5/8" - '84-'91 Big Twin
Cometic
$356.95Cometic - C9164 - Complete Gasket Kit - 3-5/8" - '84-'91 Big TwinFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel...$356.95 -
Out of stock
Cometic - C9158 - Head Gasket - Standard - 3.750" x .060" - 88"/96" - '99-'13 Twin Cam
Cometic
$90.25Cometic - C9158 - Head Gasket - Standard - 3.750" x .060" - 88"/96" - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that...$90.25 -
Out of stock
Cometic - C9850 - Top End Gasket - Standard - .030" - Fits 1992-1999 Evolution Big Twin, std. bore 0.030" head gaskets
Cometic
$142.75Cometic - C9850 - Top End Gasket - Standard - .030"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$142.75
About Engine
Harley Engine Parts for Rebuilds and Performance
From a fresh gasket set to a full big bore build, we stock the Harley engine parts you need to rebuild, maintain or wake up your motor. Match parts to your engine: Evo, Twin Cam, Milwaukee-Eight and Sportster parts don't swap across.
Shop Engine Parts
- Camshafts
- Big bore kits
- Cylinders
- Heads
- Pushrods
- Lifters
- Rockers
- Gaskets & seals
- Oil pumps
- Oil filters
- Motor mounts
- Engine covers
We carry engine parts from S&S Cycle, Drag Specialties, V-Twin Mfg, Alloy Art, HardDrive and Rocker Lockers. Pair your build with an air cleaner and exhaust that let it breathe.
Not Sure It Fits?
Year, model and engine all matter, and plenty of parts look the same but aren't. If you can't tell whether something fits your bike, hit us up with your year and model and we'll check it before you order.