Engine
7811 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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V-Twin - 12-1450 - Oil Pump Drive Gear
Motorshop
$48.38V-Twin - 12-1450 - Oil Pump Drive GearDescriptionKeyed 5 tooth oil pump drive gear. Fits:FX 1971-1972FL 1954-1972Additional Information$48.38 -
V-Twin - 12-1449 - Oil Pump Drive Gear
Motorshop
$50.16V-Twin - 12-1449 - Oil Pump Drive GearDescription25 Tooth Oil Pump Drive Gear Fits:FL 1941-1972FX 1971-1972EL 1939-1940Additional Information <$50.16 -
V-Twin - 12-1444 - Oil Pump Adjuster Screw
Motorshop
$27.24V-Twin - 12-1444 - Oil Pump Adjuster ScrewDescriptionOil pump adjuster screw Fits:UL 1941-1948 74" and 80"G 1941-1973 45"WL 1941-1952 45"Additional Information$27.24 -
V-Twin - 12-1442 - Oil Pump Feed Vane
Motorshop
$45.56V-Twin - 12-1442 - Oil Pump Feed VaneDescriptionOil pump feed vane Fits:UL 1937-1948 74" and 80"WL 1937-1952 45"G 1937-1973 45"Additional Information$45.56 -
V-Twin - 12-1440 - Cam Bearing Washer .050 Size
Eastern Motorcycle Parts
$27.86V-Twin - 12-1440 - Cam Bearing Washer .050 SizeDescriptionCam bearing washer .050 size. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional...$27.86 -
V-Twin - 12-1439 - Oil Pump Drive Gear
Motorshop
MSRP: $44.67$43.78V-Twin - 12-1439 - Oil Pump Drive GearDescriptionOil pump drive gear. Fits:FLST 1993-2017FXD 1993-2017FLT 1993-UPFXST 1993-2017Additional InformationMSRP: $44.67$43.78 -
V-Twin - 12-1438 - Oil Pump Drive Gear
Motorshop
MSRP: $45.13$44.22V-Twin - 12-1438 - Oil Pump Drive GearDescriptionOil pump drive gear Fits:FLT 1990-1992FXR 1990-1992FXD 1991-1992FXST 1990-1992FLST 1990-1992Additional InformationMSRP: $45.13$44.22 -
V-Twin - 12-1436 - Oil Pump Feed Idler Gear
Jims
$62.24V-Twin - 12-1436 - Oil Pump Feed Idler GearDescriptionOil pump feed idler gear is made from solid billet steel By installing this gear you will have an increase over 5% in pressure, as well as an...$62.24 -
V-Twin - 12-1433 - Cam Bearing Washer .100 Size
Eastern Motorcycle Parts
$26.05V-Twin - 12-1433 - Cam Bearing Washer .100 SizeDescriptionCam bearing washer .100 size. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional...$26.05 -
V-Twin - 12-1432 - Cam Bearing Washer .095 Size
Eastern Motorcycle Parts
$26.05V-Twin - 12-1432 - Cam Bearing Washer .095 SizeDescriptionCam bearing washer .095 size. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional...$26.05 -
V-Twin - 12-1431 - Cam Bearing Washer .090 Size
Eastern Motorcycle Parts
$26.05V-Twin - 12-1431 - Cam Bearing Washer .090 SizeDescriptionCam bearing washer .090 size. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional...$26.05 -
V-Twin - 12-1430 - Cam Bearing Washer .085 Size
Eastern Motorcycle Parts
$26.05V-Twin - 12-1430 - Cam Bearing Washer .085 SizeDescriptionCam bearing washer .085 size. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional...$26.05 -
V-Twin - 12-1429 - Cam Bearing Washer .080 Size
Eastern Motorcycle Parts
$29.80V-Twin - 12-1429 - Cam Bearing Washer .080 SizeDescriptionCam bearing washer .080 size. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional...$29.80 -
V-Twin - 12-1428 - Cam Bearing Washer .075 Size
Eastern Motorcycle Parts
$29.80V-Twin - 12-1428 - Cam Bearing Washer .075 SizeDescriptionCam bearing washer .075 size Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional...$29.80 -
V-Twin - 12-1427 - Cam Bearing Washer .070 Size
Eastern Motorcycle Parts
$29.80V-Twin - 12-1427 - Cam Bearing Washer .070 SizeDescriptionCam bearing washer .070 size Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional...$29.80 -
V-Twin - 12-1426 - Cam Bearing Washer .065 Size
Eastern Motorcycle Parts
$29.80V-Twin - 12-1426 - Cam Bearing Washer .065 SizeDescriptionCam bearing washer .065 size. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional...$29.80 -
V-Twin - 12-1425 - Cam Bearing Washer .060 Size
Eastern Motorcycle Parts
$29.80V-Twin - 12-1425 - Cam Bearing Washer .060 SizeDescriptionCam bearing washer .060 size. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional...$29.80 -
V-Twin - 12-1424 - Relief Pipe
Motorshop
$46.00V-Twin - 12-1424 - Relief PipeDescriptionRelief pipe with gasket for Side Valve models.Requires 10/32" x 1/2" fillister screw (036). Fits:UL 1937-1948 74" and 80"WL 1937-1952 Except 1942 WLAG...$46.00 -
V-Twin - 12-1420 - Oil Pump Return Idler Gear
Motorshop
MSRP: $23.86$22.31V-Twin - 12-1420 - Oil Pump Return Idler GearDescriptionOil pump return idler gear Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998FX 1971-1984FXD 1991-1998FLST 1986-1998FL 1968-1984Additional...MSRP: $23.86$22.31 -
V-Twin - 12-1419 - Chrome Straight Oil Line Fitting - Fits 1984-1998 Harley-Davidson FXST, 1982-1994 FXR, 1979-1998 FLT, 1936-1940 EL, 1941-1984 FL, 1991-1998 FXD, 1986-1998 FLST
V-Twin Mfg
$27.93Chrome, straight oil fitting has 1/8" NPT male x 1/8" NPT female thread. Fits:FXST 1984-1998FXR 1982-1994FLT 1979-1998EL 1936-1940FL 1941-1984FXD 1991-1998FLST 1986-1998Additional Information$27.93 -
V-Twin - 12-1418 - Oil Pump Relief Valve
Eastern Motorcycle Parts
$23.06V-Twin - 12-1418 - Oil Pump Relief ValveDescriptionOil pump relief valve. Fits:FXD 1991-2005FLST 1986-2006FXST 1984-2006FLT 1979-2006FXR 1982-1994FX 1982-1984FL 1982-1984Additional Information<$23.06 -
V-Twin - 12-1410 - Replica Oil Pump Body
Motorshop
$156.15V-Twin - 12-1410 - Replica Oil Pump BodyDescriptionReplica oil pump body includes pressed in gear dowels. Accepts later style gears.Accepts scavenger gear, scavenger idler gear, feed idler gear, and...$156.15 -
V-Twin - 12-1408 - Oil Pump Pinion Shaft Drive Gear
Motorshop
$59.30V-Twin - 12-1408 - Oil Pump Pinion Shaft Drive GearDescriptionKeyed oil pump pinion shaft 5-tooth drive gear. Fits:FLT 1979-1983FX 1973-1984FXR 1982-1983FL 1973-1984Additional Information$59.30 -
V-Twin - 12-1407 - Oil Pump 24 Tooth Drive Gear
Motorshop
$30.20V-Twin - 12-1407 - Oil Pump 24 Tooth Drive GearDescription24 tooth oil pump drive gear. Fits:FXST 1984-1998FLT 1979-1998FX 1973-1984FXD 1991-1998FL 1973-1984FLST 1986-1998Additional Information$30.20 -
V-Twin - 12-1405 - Oil Pump Mount Screw
Eastern Motorcycle Parts
$20.45V-Twin - 12-1405 - Oil Pump Mount ScrewDescriptionOil pump mounting screw Fits:FL 1941-1949Additional Information OEM No.$20.45 -
V-Twin - 12-1404 - Oil Pump Adjuster Screw
Motorshop
MSRP: $19.86$19.66V-Twin - 12-1404 - Oil Pump Adjuster ScrewDescriptionOil pump adjuster screw is the long type with a slotted head. Fits:FL 1950-1953Additional InformationMSRP: $19.86$19.66 -
V-Twin - 12-1403 - Oil Pressure Switch Fitting
Motorshop
$24.83V-Twin - 12-1403 - Oil Pressure Switch FittingDescriptionThis oil pressure switch fitting allows use of a 1/8" NPT switch. Fits:FL 1958-1967Additional Information$24.83 -
V-Twin - 12-1402 - Oil Pressure Switch
Motorshop
$46.00V-Twin - 12-1402 - Oil Pressure SwitchDescriptionReplica oil pressure switches are precision calibrated and feature heavy contacts, brass pressure ferrules, thermo- plastic insulators and brightly...$46.00 -
V-Twin - 12-1401 - Side Valve Oil Pressure Switch
Motorshop
MSRP: $42.33$41.48V-Twin - 12-1401 - Side Valve Oil Pressure SwitchDescriptionSide Valve oil pressure switch has a 4-6 pound range. Switch is for use with 45, 74 and 80 flathead models.*NOTE: Must use a brass sealing...MSRP: $42.33$41.48 -
V-Twin - 12-1400 - Cam Shaft Tachometer Drive Gear
Motorshop
$53.33V-Twin - 12-1400 - Cam Shaft Tachometer Drive GearDescriptionTachometer drive gear press fits onto cam shaft. Fits:XL 1971-1980Additional Information$53.33 -
V-Twin - 12-1399 - Cam Chest Pinion Gear
Motorshop
$35.34V-Twin - 12-1399 - Cam Chest Pinion GearDescriptionPinion shaft gear is standard type and features 21 teeth. Fits:FL 1941-1953EL 1936-1940Additional Information$35.34 -
V-Twin - 12-1397 - Cam Chest Idler Gear
Motorshop
MSRP: $71.37$70.65V-Twin - 12-1397 - Cam Chest Idler GearDescriptionCam chest idler gear.Gear features 51 teeth. ...MSRP: $71.37$70.65 -
V-Twin - 12-1396 - Circuit Breaker Drive Gear
Motorshop
$108.16V-Twin - 12-1396 - Circuit Breaker Drive GearDescriptionCircuit breaker drive gear includes inner and outer pressed in bearings.*NOTE: When installing drive gear, first check the fitment of the side...$108.16 -
V-Twin - 12-1393 - Cam Chest Idler Gear With Holes
Motorshop
$92.10V-Twin - 12-1393 - Cam Chest Idler Gear With HolesDescriptionCam chest idler gear with holes includes pressed in bearing.*NOTE: Bushings my require reaming to fit the idler and circuit breaker studs...$92.10 -
V-Twin - 12-1392 - Oil Pump Drive Gear
Eastern Motorcycle Parts
MSRP: $41.42$40.59V-Twin - 12-1392 - Oil Pump Drive GearDescriptionOil pump drive gear Fits:FXST 1984-1989FXR 1984-1989FLST 1986-1989FLT 1984-1989Additional InformationMSRP: $41.42$40.59 -
V-Twin - 12-1389 - Cam Chest Drive Gear For High Lift Cam
S&S Cycle
$404.86V-Twin - 12-1389 - Cam Chest Drive Gear For High Lift CamDescriptionS&S cam chest distributor drive gear features narrow tooth width for a large cam. Drive gear is for high lift cams.*NOTE: Bushings...$404.86 -
V-Twin - 12-1388 - Cam Chest Idler Gear
S&S Cycle
$305.16V-Twin - 12-1388 - Cam Chest Idler GearDescriptionCam chest idler gear.Order shim separately to fit. ...$305.16 -
V-Twin - 12-1380 - Oil Pump Drive Gear
Sifton
$56.89V-Twin - 12-1380 - Oil Pump Drive GearDescriptionSplined oil pump drive gear Fits:XL 1977-1987Additional Information OEM No.$56.89 -
V-Twin - 12-1379 - Pinion Shaft Standard Size Gear
Motorshop
MSRP: $72.13$71.41V-Twin - 12-1379 - Pinion Shaft Standard Size GearDescriptionOEM style pinion shaft gear is standard type and features 21 teeth with a 1.4510" outer diameter. Fits:FX 1971-1977FL 1954-1977Additional...MSRP: $72.13$71.41 -
V-Twin - 12-1378 - Scavenger Pump and Breather Valve Drive Gear
Motorshop
MSRP: $94.08$27.93V-Twin - 12-1378 - Scavenger Pump and Breather Valve Drive GearDescriptionScavenger pump and breather valve drive gear for pinion shaft. 6 spline drive gear is used to drive the scavenger pump and...MSRP: $94.08$27.93
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.