Engine
8832 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
Jagg Oil Coolers - 750-2000-0323 - Oil Cooler Kit - Vertical - WideLine
Jagg Oil Coolers
$450.95Jagg Oil Coolers - 750-2000-0323 - Oil Cooler Kit - Vertical - WideLineFeaturesSpecially designed turbulators in each oil passageway gently stir oil, exposing it to more critical heat dissipation...$450.95 -
Out of stock
Jagg Oil Coolers - 750-1000-0323 - Oil Cooler Kit - Vertical - Deluxe
Jagg Oil Coolers
$450.95Jagg Oil Coolers - 750-1000-0323 - Oil Cooler Kit - Vertical - DeluxeFeaturesSpecially designed turbulators in each oil passageway gently stir oil, exposing it to more critical heat dissipation...$450.95 -
Out of stock
Jagg Oil Coolers - 4702 - Oil Filter Adapter - Offset
Jagg Oil Coolers
$170.95Jagg Oil Coolers - 4702 - Oil Filter Adapter - OffsetFeaturesAutomatic thermostatic oil bypass valve allows oil to bypass the oil cooler until reaching operating temperature for faster vehicle...$170.95 -
Out of stock
Jagg Oil Coolers - 750-1200-0323 - Oil Cooler Kit - Vertical - Slimline
Jagg Oil Coolers
$399.95Jagg Oil Coolers - 750-1200-0323 - Oil Cooler Kit - Vertical - SlimlineFeaturesSpecially designed turbulators in each oil passageway gently stir oil, exposing it to more critical heat dissipation...$399.95 -
Out of stock
Jagg Oil Coolers - 750-1290-0323 - Oil Cooler Kit - Low Mount - Softail
Jagg Oil Coolers
$399.95Jagg Oil Coolers - 750-1290-0323 - Oil Cooler Kit - Low Mount - SoftailFeaturesSpecially designed turbulators in each oil passageway gently stir oil, exposing it to more critical heat dissipation...$399.95 -
Out of stock
Jagg Oil Coolers - AK4700-VRF - Viscosity Regulated Flow Actuator Kit
Jagg Oil Coolers
$15.95Jagg Oil Coolers - AK4700-VRF - Viscosity Regulated Flow Actuator KitFeaturesReplaces thermostatic actuator element in offset oil filter adapter with new Viscosity Regulated Flow (VRF) actuatorAfter...$15.95 -
Out of stock
Jagg Oil Coolers - 4500 - Oil Filter Adapter - Big Twin/Sportster
Jagg Oil Coolers
$129.95Jagg Oil Coolers - 4500 - Oil Filter Adapter - Big Twin/SportsterFeaturesMachined with sweeping internal flow passages for optimal flow characteristics from billet aluminum and anodized with a...$129.95 -
Out of stock
Je Pistons - 370245 - Piston Kit - M8
Je Pistons
$449.99Je Pistons - 370245 - Piston Kit - M8FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance...$449.99 -
Out of stock
Je Pistons - 370250 - Piston Kit - M8
Je Pistons
$472.99Je Pistons - 370250 - Piston Kit - M8FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance...$472.99 -
Out of stock
Je Pistons - 370249 - Piston Kit - M8
Je Pistons
$472.99Je Pistons - 370249 - Piston Kit - M8FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance...$472.99 -
Out of stock
Je Pistons - 370248 - Piston Kit - M8
Je Pistons
$449.99Je Pistons - 370248 - Piston Kit - M8FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance...$449.99 -
Out of stock
Je Pistons - 370243 - Piston Kit - M8
Je Pistons
$449.99Je Pistons - 370243 - Piston Kit - M8FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance...$449.99 -
Out of stock
Hiflofiltro - HF174B - Oil Filter - Black
Hiflofiltro
$8.74Hiflofiltro - HF174B - Oil Filter - BlackFeaturesThe original HifloFiltro® factory was founded in 1955 and has been manufacturing filters for the OEM motor industry since 1963With the experience of...$8.74 -
Out of stock
Fram - PH6065B - Oil Filter - Chrome - Twin Cam/M8
Fram
$30.94Fram - PH6065B - Oil Filter - Chrome - Twin Cam/M8FeaturesHigh-quality filters are made to strict specifications to provide superior performanceInclude all necessary o-rings or gasketsMicron rating...$30.94 -
Out of stock
Hiflofiltro - HF177 - Oil Filter - Black
Hiflofiltro
$9.11Hiflofiltro - HF177 - Oil Filter - BlackFeaturesThe original HifloFiltro® factory was founded in 1955 and has been manufacturing filters for the OEM motor industry since 1963With the experience of...$9.11 -
Out of stock
Goodridge - PHDSEALSM-6 - Seal Kit
Goodridge
$3.34Goodridge - PHDSEALSM-6 - Seal KitFeaturesUse with Goodridge Fuel Line CrossoversIncludes 6 sealsSpecsMa$3.34 -
Out of stock
Eastern Motorcycle Parts - A-37090-98 - Left Pushrod End - Fits 1999-2016 FLT/FLHT/FLHX/FLHR/FLTR, 2000-2025 Softail and 1999-2017 Dyna w/ mechanical clutch (2.255"); repl. OEM #37090-98 COVERS &; 1998 FLT/FXD/FXDWG, 1998-1999 FXST/FLST
Eastern Motorcycle Parts
$24.95Eastern Motorcycle Parts - A-37090-98 - Left Pushrod EndFeaturesMade in the U.S.A.Replacement Part for OEM Number(s): 3709098Specs$24.95 -
Out of stock
Eastern Motorcycle Parts - 17-0157 - Oil Pump Kit - Big Twin
Eastern Motorcycle Parts
$49.95Eastern Motorcycle Parts - 17-0157 - Oil Pump Kit - Big TwinFeaturesMade in the U.S.A.Replacement Part for OEM Number(s): 11002,2464136,2622758,2634670,2634815,2634836Specs$49.95 -
Out of stock
Eastern Motorcycle Parts - A-25588-57 - Cam Cover Bushing - XL
Eastern Motorcycle Parts
$37.95Eastern Motorcycle Parts - A-25588-57 - Cam Cover Bushing - XLFeaturesHigh-quality OEM componentsMade in the U.S.A.Replacement Part for OEM Number(s): 2558857Specs$37.95 -
Out of stock
Eastern Motorcycle Parts - A-23973-41 - Flywheel Thrust Washers - Fits 41-E70 Big Twin; repl. steel OEM #23973-41
Eastern Motorcycle Parts
$26.95Eastern Motorcycle Parts - A-23973-41 - Flywheel Thrust WashersFeaturesReplacement-type made from top-quality bronze and designed to meet or exceed OEM specificationsMade in the U.S.A.Replacement...$26.95 -
Out of stock
Diamond Engineering - DE6067HP - Bolt Kit - Transformation - Touring
Diamond Engineering
$220.95Diamond Engineering - DE6067HP - Bolt Kit - Transformation - Touring Features Customize a bike without having to completely disassemble it Kit adds detail and a custom look with ease Groups of...$220.95 -
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
Eastern Motorcycle Parts - A-24922-93 - Breather Tubes - '93-'99 Big Twin
Eastern Motorcycle Parts
$33.95Eastern Motorcycle Parts - A-24922-93 - Breather Tubes - '93-'99 Big TwinFeaturesHigh-quality OEM-reproduction componentsFor use with OEM backing plates and air filters.Replacement Part for OEM...$33.95 -
Out of stock
Eastern Motorcycle Parts - A-25582-93 - Pinion Bushing - Fits 1993-1999 Evolution Big Twin; repl. OEM #25582-93
Eastern Motorcycle Parts
$39.95Eastern Motorcycle Parts - A-25582-93 - Pinion BushingFeaturesMade from solid brass bar stockMade in the U.S.A.Replacement Part for OEM Number(s): 2558293Specs$39.95 -
Out of stock
Eastern Motorcycle Parts - A-25582-73+5 - Pinion Bushing
Eastern Motorcycle Parts
$30.95Eastern Motorcycle Parts - A-25582-73+5 - Pinion BushingFeaturesMade from solid brass bar stockMade in the U.S.A.Replacement Part for OEM Number(s): 2558273Specs<$30.95 -
Out of stock
Eastern Motorcycle Parts - 40-0305 - Cam Needle Bearing - Fits 1958-1999 Big Twin (except Twin Cam); repl. OEM #9058 (Cam bearing, 1966-1984, Eastern)
Eastern Motorcycle Parts
$16.95Eastern Motorcycle Parts - 40-0305 - Cam Needle BearingFeaturesHigh quality, better than OE replacement bearingReplacement Part for OEM Number(s): 9058Specs$16.95 -
Out of stock
Eastern Motorcycle Parts - B-SP-5-RS - Bearing Roller Set - +.0008" - XL
Eastern Motorcycle Parts
$20.95Eastern Motorcycle Parts - B-SP-5-RS - Bearing Roller Set - +.0008" - XLFeaturesIncludes short and long rollersSold in setsMade in the USAReplacement Part for OEM Number(s): 9158A,9445ASpecs$20.95 -
Out of stock
Eastern Motorcycle Parts - B-SP-2-RS - Bearing Roller Set - +.0002" - '54-'86 XL
Eastern Motorcycle Parts
$20.95Eastern Motorcycle Parts - B-SP-2-RS - Bearing Roller Set - +.0002" - '54-'86 XLFeaturesIncludes short and long rollersSold in setsMade in the USAReplacement Part for OEM Number(s): 9151A,9442ASpecs$20.95 -
Out of stock
Eastern Motorcycle Parts - B-SP-8-RS - Bearing Roller Set - +.003" - XL
Eastern Motorcycle Parts
$22.95Eastern Motorcycle Parts - B-SP-8-RS - Bearing Roller Set - +.003" - XLFeaturesIncludes short and long rollersSold in setsMade in the USASpecs$22.95 -
Out of stock
Cometic - C9762 - Top End Gasket Kit - XL1200 - EST
Cometic
$142.75Cometic - C9762 - Top End Gasket Kit - XL1200 - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$142.75 -
Out of stock
Cometic - C9764 - Rocker Gasket - EST - XL
Cometic
$65.05Cometic - 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...$65.05 -
Out of stock
Cometic - C9763 - Top End Gasket Kit - XL1200 - EST
Cometic
$142.75Cometic - 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...$142.75 -
Out of stock
Cometic - C9761 - Top End Gasket Kit - XL1100 - EST
Cometic
$142.75Cometic - 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...$142.75 -
Out of stock
Cometic - C9753 - Rocker Gasket - EST - Big Twin
Cometic
$65.05Cometic - 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...$65.05 -
Out of stock
Cometic - C9066 - Rocker Box Gasket - SLS - XL
Cometic
$47.20Cometic - 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...$47.20 -
Out of stock
Cometic - C9760 - Top End Gasket Kit - XL883 - EST
Cometic
$142.75Cometic - 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...$142.75 -
Out of stock
Cometic - C9078 - Rocker Box Gasket - Fits 1992-1999 Big Twin
Cometic
$47.20Cometic - C9078 - Rocker Box GasketFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals needed...$47.20 -
Out of stock
Cometic - C9553 - Cylinder Base Gasket - .020" - XL
Cometic
$33.55Cometic - C9553 - Cylinder Base Gasket - .020" - XLFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$33.55
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.