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Engine

8169 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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  • Jagg Oil Coolers - 751-FP2600-0323 - Fan-Assisted Oil Cooler Kit - Vertical Jagg Oil Coolers - 751-FP2600-0323 - Fan-Assisted Oil Cooler Kit - Vertical

    Jagg Oil Coolers - 751-FP2600-0323 - Fan-Assisted Oil Cooler Kit - Vertical - Fits 1999-2016 Dresser (except Twin-Cooled models), 2000-2017 Softail; 1984-1998 FLT/FLHT/FLHR/FLTR, 1984-1999 FXST/FLST and 1991-1998 FXD

    Jagg Oil Coolers

    $574.95
    Jagg Oil Coolers - 751-FP2600-0323 - Fan-Assisted Oil Cooler Kit - VerticalFeaturesDesigned to perform as well at low speeds and stop-and-go traffic as on the open highwayIncludes cooler,...
    $574.95
    Qty in Cart: 0
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    $574.95
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  • Jagg Oil Coolers - 4702 - Oil Filter Adapter - Offset Jagg Oil Coolers - 4702 - Oil Filter Adapter - Offset

    Jagg Oil Coolers - 4702 - Oil Filter Adapter - Offset

    Jagg Oil Coolers

    $170.95
    Jagg 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
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    $170.95
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  • Jagg Oil Coolers - AK4700-VRF - Viscosity Regulated Flow Actuator Kit

    Jagg Oil Coolers - AK4700-VRF - Viscosity Regulated Flow Actuator Kit

    Jagg Oil Coolers

    $15.95
    Jagg 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
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    $15.95
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  • Jagg Oil Coolers - 4500 - Oil Filter Adapter - Big Twin/Sportster

    Jagg Oil Coolers - 4500 - Oil Filter Adapter - Big Twin/Sportster

    Jagg Oil Coolers

    $129.95
    Jagg 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
    Qty in Cart: 0
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    $129.95
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  • Je Pistons - 394140 - Piston Kit - 4.320" - M8 Je Pistons - 394140 - Piston Kit - 4.320" - M8

    Je Pistons - 394140 - Piston Kit - 4.320" - M8

    Je Pistons

    $729.99
    Je Pistons - 394140 - Piston Kit - 4.320" - M8FeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviromentCermic crown coating protects...
    $729.99
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    $729.99
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  • Je Pistons - 391731 - Piston Kit - 4.250" - M8 Je Pistons - 391731 - Piston Kit - 4.250" - M8

    Je Pistons - 391731 - Piston Kit - 4.250" - M8

    Je Pistons

    MSRP: $694.99
    $682.99
    Je Pistons - 391731 - Piston Kit - 4.250" - M8FeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviromentCermic crown coating protects...
    MSRP: $694.99
    $682.99
    Qty in Cart: 0
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    MSRP: $694.99
    $682.99
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  • Je Pistons - 394138 - Piston Kit - 4.250" - M8 Je Pistons - 394138 - Piston Kit - 4.250" - M8

    Je Pistons - 394138 - Piston Kit - 4.250" - M8

    Je Pistons

    $729.99
    Je Pistons - 394138 - Piston Kit - 4.250" - M8FeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviromentCermic crown coating protects...
    $729.99
    Qty in Cart: 0
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    $729.99
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  • Je Pistons - 394100 - Piston Kit - 4.310" - M8 Je Pistons - 394100 - Piston Kit - 4.310" - M8

    Je Pistons - 394100 - Piston Kit - 4.310" - M8

    Je Pistons

    $729.99
    Je Pistons - 394100 - Piston Kit - 4.310" - M8FeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviromentCermic crown coating protects...
    $729.99
    Qty in Cart: 0
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    $729.99
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  • Je Pistons - 370252 - Piston Kit - M8 Je Pistons - 370252 - Piston Kit - M8

    Je Pistons - 370252 - Piston Kit - M8

    Je Pistons

    $472.99
    Je Pistons - 370252 - 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
    Qty in Cart: 0
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    $472.99
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  • Je Pistons - 370251 - Piston Kit - M8 Je Pistons - 370251 - Piston Kit - M8

    Je Pistons - 370251 - Piston Kit - M8

    Je Pistons

    $472.99
    Je Pistons - 370251 - 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
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    $472.99
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  • Je Pistons - 370246 - Piston Kit - M8 Je Pistons - 370246 - Piston Kit - M8

    Je Pistons - 370246 - Piston Kit - M8

    Je Pistons

    $472.99
    Je Pistons - 370246 - 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
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    $472.99
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  • Je Pistons - 370244 - Piston Kit - M8 Je Pistons - 370244 - Piston Kit - M8

    Je Pistons - 370244 - Piston Kit - M8

    Je Pistons

    $472.99
    Je Pistons - 370244 - 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
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    $472.99
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  • Je Pistons - 370250 - Piston Kit - M8 Je Pistons - 370250 - Piston Kit - M8

    Je Pistons - 370250 - Piston Kit - M8

    Je Pistons

    $472.99
    Je 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
    Qty in Cart: 0
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    $472.99
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  • Je Pistons - 370249 - Piston Kit - M8 Je Pistons - 370249 - Piston Kit - M8

    Je Pistons - 370249 - Piston Kit - M8

    Je Pistons

    $472.99
    Je 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
    Qty in Cart: 0
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    $472.99
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  • Je Pistons - 370247 - Piston Kit - M8

    Je Pistons - 370247 - Piston Kit - M8

    Je Pistons

    $472.99
    Je Pistons - 370247 - 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
    Qty in Cart: 0
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    $472.99
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  • Je Pistons - 324722 - Piston Kit - 98" - Twin Cam

    Je Pistons - 324722 - Piston Kit - 98" - Twin Cam

    Je Pistons

    $472.99
    Je Pistons - 324722 - Piston Kit - 98" - Twin CamFeaturesMachined from 2618-T6 high-tensile forged aluminumDome/dish features smooth flowing radii; requires no deburring or preparationJE designs are...
    $472.99
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    $472.99
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  • Je Pistons - 324720 - Piston Kit - 95" - Twin Cam

    Je Pistons - 324720 - Piston Kit - 95" - Twin Cam

    Je Pistons

    $472.99
    Je Pistons - 324720 - Piston Kit - 95" - Twin CamFeaturesMachined from 2618-T6 high-tensile forged aluminumDome/dish features smooth flowing radii; requires no deburring or preparationJE designs are...
    $472.99
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    $472.99
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  • Je Pistons - 317212 - Piston Kit - 107" - Twin Cam

    Je Pistons - 317212 - Piston Kit - 107" - Twin Cam

    Je Pistons

    $545.99
    Je Pistons - 317212 - Piston Kit - 107" - Twin CamFeaturesMachined from 2618-T6 high-tensile forged aluminumDome/dish features smooth flowing radii; requires no deburring or preparationJE designs are...
    $545.99
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    $545.99
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  • Je Pistons - 324716 - Piston Kit - 95" - Twin Cam

    Je Pistons - 324716 - Piston Kit - 95" - Twin Cam

    Je Pistons

    $472.99
    Je Pistons - 324716 - Piston Kit - 95" - Twin CamFeaturesMachined from 2618-T6 high-tensile forged aluminumDome/dish features smooth flowing radii; requires no deburring or preparationJE designs are...
    $472.99
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    $472.99
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  • Je Pistons - 317211 - Piston Kit - 107" - Twin Cam

    Je Pistons - 317211 - Piston Kit - 107" - Twin Cam

    Je Pistons

    $545.99
    Je Pistons - 317211 - Piston Kit - 107" - Twin CamFeaturesMachined from 2618-T6 high-tensile forged aluminumDome/dish features smooth flowing radii; requires no deburring or preparationJE designs are...
    $545.99
    Qty in Cart: 0
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    $545.99
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  • Hiflofiltro - HF174B - Oil Filter - Black Hiflofiltro - HF174B - Oil Filter - Black

    Hiflofiltro - HF174B - Oil Filter - Black

    Hiflofiltro

    $8.74
    Hiflofiltro - 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
    Qty in Cart: 0
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    $8.74
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  • K & N - KN-174B - Oil Filter - Black

    K & N - KN-174B - Oil Filter - Black

    K&N

    $17.99
    K & N - KN-174B - Oil Filter - BlackFeaturesK&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oilsA...
    $17.99
    Qty in Cart: 0
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    $17.99
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  • Hiflofiltro - HF175 - Oil Filter Hiflofiltro - HF175 - Oil Filter

    Hiflofiltro - HF175 - Oil Filter

    Hiflofiltro

    $8.74
    Hiflofiltro - HF175 - Oil FilterFeaturesGlobal Trade Item Number: 824225110753Provides unbeatable performance and exceptional value, Hiflo filters are the best-selling brand of aftermarket filters...
    $8.74
    Qty in Cart: 0
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    $8.74
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  • Hiflofiltro - HF171CRC - Performance Oil Filter - Chrome Hiflofiltro - HF171CRC - Performance Oil Filter - Chrome

    Hiflofiltro - HF171CRC - Performance Oil Filter - Chrome

    Hiflofiltro

    $13.76
    Hiflofiltro - HF171CRC - Performance Oil Filter - ChromeFeaturesHeavy-duty steel casing features a pre-drilled welded hex nut for easy removal and installationPerformance filters feature premium high...
    $13.76
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    $13.76
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  • Hiflofiltro - HF170CRC - Performance Oil Filter - Chrome

    Hiflofiltro - HF170CRC - Performance Oil Filter - Chrome

    Hiflofiltro

    $13.76
    Hiflofiltro - HF170CRC - Performance Oil Filter - ChromeFeaturesHeavy-duty steel casing features a pre-drilled welded hex nut for easy removal and installationPerformance filters feature premium high...
    $13.76
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    $13.76
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  • Hiflofiltro - HF171BRC - Performance Oil Filter - Black

    Hiflofiltro - HF171BRC - Performance Oil Filter - Black

    Hiflofiltro

    $10.21
    Hiflofiltro - HF171BRC - Performance Oil Filter - BlackFeaturesHeavy-duty steel casing features a pre-drilled welded hex nut for easy removal and installationPerformance filters feature premium high...
    $10.21
    Qty in Cart: 0
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    $10.21
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  • K & N - KN-564 - Performance Oil Filter - Buell/Can-Am

    K & N - KN-564 - Performance Oil Filter - Buell/Can-Am

    K&N

    $15.99
    K & N - KN-564 - Performance Oil Filter - Buell/Can-AmFeaturesK&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of...
    $15.99
    Qty in Cart: 0
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    $15.99
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  • Feuling Parts - 2022 - Offset Oil Filter Mount - Black

    Feuling Parts - 2022 - Offset Oil Filter Mount - Black

    Feuling

    $179.95
    Feuling Parts - 2022 - Offset Oil Filter Mount - BlackFeaturesSandwich-style mounts allow easy hook-up of any style remote oil cooler or additional oil filter set upDesigned with pressure relief...
    $179.95
    Qty in Cart: 0
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    $179.95
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  • Hiflofiltro - HF177 - Oil Filter - Black Hiflofiltro - HF177 - Oil Filter - Black

    Hiflofiltro - HF177 - Oil Filter - Black

    Hiflofiltro

    $9.11
    Hiflofiltro - 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
    Qty in Cart: 0
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    $9.11
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  • Hiflofiltro - HF564 - Oil Filter Hiflofiltro - HF564 - Oil Filter

    Hiflofiltro - HF564 - Oil Filter

    Hiflofiltro

    $9.89
    Hiflofiltro - HF564 - Oil FilterFeaturesGlobal Trade Item Number: 824225111385Provides unbeatable performance and exceptional value, Hiflo filters are the best-selling brand of aftermarket filters...
    $9.89
    Qty in Cart: 0
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    $9.89
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  • Horsepower, Inc - HPI-OC-1 - Oil Filter Mount - Polished

    Horsepower, Inc - HPI-OC-1 - Oil Filter Mount - Polished - Fits 1999-2006 Twin Cam "A" motors (except 06 Dyna)

    Horsepower, Inc

    $169.95
    Horsepower, Inc - HPI-OC-1 - Oil Filter Mount - PolishedFeatures6061 billet aluminum construction with a polished finishOptimized oil passages flow almost 30% more efficiently than others on the...
    $169.95
    Qty in Cart: 0
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    $169.95
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  • K & N - KN-177 - Oil Filter - Black

    K & N - KN-177 - Oil Filter - Black

    K&N

    $17.99
    K & N - KN-177 - Oil Filter - BlackFeaturesK&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oilsA...
    $17.99
    Qty in Cart: 0
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    $17.99
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  • Feuling Parts - 3088 - Vented Dipstick - Black - M8 Touring/Trike Feuling Parts - 3088 - Vented Dipstick - Black - M8 Touring/Trike

    Feuling Parts - 3088 - Vented Dipstick - Black - M8 Touring/Trike

    Feuling

    $299.95
    Feuling Parts - 3088 - Vented Dipstick - Black - M8 Touring/Trike Features Billet dipsticks vent/breathe excessive crank case pressure from the oil tank through a PCV style breather, consisting...
    $299.95
    Qty in Cart: 0
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    $299.95
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  • Dakota Digital - SEN-1043 - Oil Temperature Sending Unit - 1/8" NPT

    Dakota Digital - SEN-1043 - Oil Temperature Sending Unit - 1/8" NPT

    Dakota Digital

    $35.00
    Dakota Digital - SEN-1043 - Oil Temperature Sending Unit - 1/8" NPTFeaturesOil temperature sensor screws into crankcase, oil reserve tank, or oil lineDrilling and tapping may be required to fit...
    $35.00
    Qty in Cart: 0
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    $35.00
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  • Eastern Motorcycle Parts - A-37069-90 - Right Pushrod End

    Eastern Motorcycle Parts - A-37069-90 - Right Pushrod End - Fits 1999-2016 FLT/FLHT/FLHX/FLHR/FLTR, 2000-2025 Softail and 1999-2017 Dyna w/ mechanical clutch (2.6580"); repl. OEM #37069-90; 1990-1998 FLT/FXD/FXDWG, 1990-1999 FXST/FLST

    Eastern Motorcycle Parts

    $27.95
    Eastern Motorcycle Parts - A-37069-90 - Right Pushrod EndFeaturesMade in the U.S.A.Replacement Part for OEM Number(s): 3706990Specs
    $27.95
    Qty in Cart: 0
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    $27.95
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  • Eastern Motorcycle Parts - A-37090-84A - Pushrod - Left End

    Eastern Motorcycle Parts - A-37090-84A - Pushrod - Left End - Fits 1990-1997 FLT/FXR/FXST/FLST (2.250"); repl. OEM #37090-84A; L84 FLTC/FXRT/FXRP/FXRS (2.250"); repl. OEM #37090-84A

    Eastern Motorcycle Parts

    $24.95
    Eastern Motorcycle Parts - A-37090-84A - Pushrod - Left EndFeaturesMade in the U.S.A.Replacement Part for OEM Number(s): 3709084ASpecs
    $24.95
    Qty in Cart: 0
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    $24.95
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  • Eastern Motorcycle Parts - A-37089-84 - Pushrod - Right End

    Eastern Motorcycle Parts - A-37089-84 - Pushrod - Right End - Fits 1987-1989 FLT/FXR/FXST/FLST and Dyna (2.6250"); repl. OEM #37089-84 & GAUGES

    Eastern Motorcycle Parts

    $24.95
    Eastern Motorcycle Parts - A-37089-84 - Pushrod - Right EndFeaturesMade in the U.S.A.Replacement Part for OEM Number(s): 3708984Specs
    $24.95
    Qty in Cart: 0
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    $24.95
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  • Eastern Motorcycle Parts - 17-0129 - Oil Pump Bushing/Gasket Kit

    Eastern Motorcycle Parts - 17-0129 - Oil Pump Bushing/Gasket Kit

    Eastern Motorcycle Parts

    $16.95
    Eastern Motorcycle Parts - 17-0129 - Oil Pump Bushing/Gasket KitFeaturesMade in the U.S.A.Replacement Part for OEM Number(s): 12036A,2643176,2643476A,2648975,2649575,2679775Specs
    $16.95
    Qty in Cart: 0
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    $16.95
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  • Eastern Motorcycle Parts - 17-0126 - Oil Pump Bushing/Gasket Kit

    Eastern Motorcycle Parts - 17-0126 - Oil Pump Bushing/Gasket Kit

    Eastern Motorcycle Parts

    $16.95
    Eastern Motorcycle Parts - 17-0126 - Oil Pump Bushing/Gasket KitFeaturesComes with new components that allow you to totally rebuild/rebush most oil pumpsMade in the U.S.A.Replacement Part for OEM...
    $16.95
    Qty in Cart: 0
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    $16.95
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  • Eastern Motorcycle Parts - A-25581-70 - Cam Bushing

    Eastern Motorcycle Parts - A-25581-70 - Cam Bushing - Fits 1970-1999 Big Twin (except Twin Cam) (ea.); repl. OEM #25581-70 (Cam cover bushing, std., 1970-1984, Eastern)

    Eastern Motorcycle Parts

    $37.95
    Eastern Motorcycle Parts - A-25581-70 - Cam BushingFeaturesHigh-quality OEM componentMade in the U.S.A.Replacement Part for OEM Number(s): 2558170Specs
    $37.95
    Qty in Cart: 0
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    $37.95
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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

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.