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
V-Twin - 12-1540 - Cam Chest Breather Gear Kit
Motorshop
$92.10V-Twin - 12-1540 - Cam Chest Breather Gear KitDescriptionCam chest breather gear kit is constructed of precision ground steel with screen installed. Kit includes 8 piece steel thrust washer set...$92.10 -
Out of stock
V-Twin - 12-1536 - Cam Chest Breather Valve Kit Standard Size
Motorshop
$110.50V-Twin - 12-1536 - Cam Chest Breather Valve Kit Standard SizeDescriptionThis standard size sifton cam chest breather valve kit is constructed of precision ground steel with screen installed.Kit...$110.50 -
Out of stock
V-Twin - 12-1502 - Distributor Drive Gear
Motorshop
$109.36V-Twin - 12-1502 - Distributor Drive GearDescriptionDistributor drive gear features an overall width of 1.7750". Includes inner and outer pressed in bushings. Fits:FL 1941-1969EL 1936-1952Additional...$109.36 -
Out of stock
V-Twin - 12-1485 - Oil Pump Relief Valve Kit
Motorshop
$45.05V-Twin - 12-1485 - Oil Pump Relief Valve KitDescriptionOil pump relief valve kit includes spring, plug and valve.THe relieft valve piston diameter measures 0.435". Fits:FL 1973-1980FX...$45.05 -
Out of stock
V-Twin - 12-1480 - Oil Pump Gasket and Hardware Kit
Motorshop
$99.33V-Twin - 12-1480 - Oil Pump Gasket and Hardware KitDescriptionOil pump gasket kit paper type includes gaskets, seals, snap ring, balls and keys. Fits:EL 1936-1940Additional Information$99.33 -
Out of stock
V-Twin - 12-1479 - Distributor Drive Cam Gear with Holes
Motorshop
$150.63V-Twin - 12-1479 - Distributor Drive Cam Gear with HolesDescriptionDistributor drive cam gear with holes.*NOTE: When installing drive gear, first check the fitment of the side drive circuit breaker...$150.63 -
Out of stock
V-Twin - 12-1478 - Oil Pump Bypass Valve Kit
Motorshop
MSRP: $67.13$66.46V-Twin - 12-1478 - Oil Pump Bypass Valve KitDescriptionOil pump bypass valve kit includes spring, plug and screw. Fits:UL 1937-1948G 1941-1973WL 1941-1952VL 1933-1936Additional InformationMSRP: $67.13$66.46 -
Out of stock
V-Twin - 12-1417 - Oil Pump Relief Valve
Motorshop
MSRP: $42.09$41.25V-Twin - 12-1417 - Oil Pump Relief ValveDescriptionRelief valve for oil pump Fits:FLT 1979-1981FX 1971-1981FL 1954-1981Additional Information <MSRP: $42.09$41.25 -
Out of stock
V-Twin - 12-1377 - Oil Pump Drive Gear
Motorshop
$67.98V-Twin - 12-1377 - Oil Pump Drive GearDescriptionOil pump drive gear Fits:XL 1988-UPAdditional Information OEM No.26318-$67.98 -
Out of stock
V-Twin - 12-1293 - Replica Oil Pump Drive Gear
Motorshop
MSRP: $45.13$44.22V-Twin - 12-1293 - Replica Oil Pump Drive GearDescriptionReplica Oil Pump Drive Gear. Fits:FL 1941-1967EL 1936-1940Additional InformationMSRP: $45.13$44.22 -
Out of stock
V-Twin - 12-1285 - Replica Oil Pump Drive Feed Gear
Motorshop
$54.91V-Twin - 12-1285 - Replica Oil Pump Drive Feed GearDescriptionReplica oil pump drive feed gear is the narrow type.Oil pump drive feed gear has groove to drive the Knuckleheaed oil pump governer rotor...$54.91 -
Out of stock
V-Twin - 12-1281 - Scavenger Oil Pump Gear - Fits 1937-1952 Harley-Davidson UL, 1937-1973 G
V-Twin Mfg
$108.86Side Valve scavenger oil pump gear features a double evacuation window, for more scaveging action. Fits:UL 1937-1952G 1937-1973Additional Information OEM$108.86 -
Out of stock
V-Twin - 12-1245 - Side Valve Oil Pump Governor - Fits 1941-1973 Harley-Davidson G
V-Twin Mfg
$98.09Side Valve oil pump holder feed pump vane. Fits:G 1941-1973Additional Information OEM No.26270-41 UOM$98.09 -
Out of stock
V-Twin - 12-1244 - Side Valve Oil Pump Bypass Ball Retainer - Fits 1941-1973 Harley-Davidson G
V-Twin Mfg
$98.09Bypass ball retainer for Side Valve oil pumps. Fits:G 1941-1973Additional Information OEM No.26381-37 UOM$98.09 -
Out of stock
V-Twin - 12-0896 - Knucklehead Oil Pump Assembly with Rotator - Fits 1941-1947 Harley-Davidson FL, EL
V-Twin Mfg
$591.16Knucklehead oil pump assembly with rotator.*NOTE: Includes governor rotor. Fits:FL 1941-1947EL 1941-1947Additional Information UOM1 - KIT<$591.16 -
Out of stock
V-Twin - 12-0879 - Parkerized Oil Pump Cover
Motorshop
MSRP: $81.92$81.09V-Twin - 12-0879 - Parkerized Oil Pump CoverDescriptionCast oil pump cover for Knucklehead and early Panhead models features a parkerized finish, and accepts the centrifugal valve.Uses governor rotor...MSRP: $81.92$81.09 -
Out of stock
V-Twin - 12-0876 - Knucklehead Oil Pump Body Zinc Plated - Fits 1941-1947 Harley-Davidson FL, EL
V-Twin Mfg
$181.58Knucklehead oil pump body is constructed of cast iron and has the early relief valve extension. Features a zinc plated finish.This changed in 1948, by adding a "D" for a change in the part number...$181.58 -
Out of stock
V-Twin - 12-0875 - 1938 Knucklehead Oil Pump Body Cast Iron
V-Twin Mfg
$618.71V-Twin - 12-0875 - 1938 Knucklehead Oil Pump Body Cast IronDescriptionCast iron and machined Knucklehead oil pump body is the specific shape for 1938 models to be exact. Fits:EL 1936-1940Additional...$618.71 -
Out of stock
V-Twin - 12-0874 - Partial Oil Pump Assembly
Motorshop
$277.42V-Twin - 12-0874 - Partial Oil Pump AssemblyDescription2020 New Production partial oil pump assembly includes 4 gears and 1 shaft.*NOTE: Keys and snap rings not included, must order separately...$277.42 -
Out of stock
V-Twin - 12-0855 - Oil Pump Parts Kit
Motorshop
$216.16V-Twin - 12-0855 - Oil Pump Parts KitDescriptionOil pump parts kit includes all parts except cover and body.Kits are year specific for each OE body style and fitment. Not for S&S oil pumps. Fits:FL...$216.16 -
Out of stock
V-Twin - 12-0853 - Oil Pump Parts Kit
Motorshop
$268.14V-Twin - 12-0853 - Oil Pump Parts KitDescriptionOil pump parts kit includes all parts except cover and body.Kits are year specific for each OE body style and fitment. Not for S&S oil pumps. Fits:FL...$268.14 -
Out of stock
V-Twin - 12-0852 - Oil Pump Parts Kit
Motorshop
$231.39V-Twin - 12-0852 - Oil Pump Parts KitDescriptionOil pump parts kit includes all parts except cover and body.Kits are year specific for each OE body style and fitment. Not for S&S oil pumps. Fits:FL...$231.39 -
Out of stock
V-Twin - 12-0851 - Oil Pump Parts Kit
Motorshop
$287.01V-Twin - 12-0851 - Oil Pump Parts KitDescriptionOil pump parts kit includes all parts except cover and body.Kits are year specific for each OE body style and fitment. Not for S&S oil pumps. Fits:FL...$287.01 -
Out of stock
V-Twin - 12-0850 - Partial Oil Pump Assembly - Fits 1941-1947 Harley-Davidson FL, 1941-1949 EL
V-Twin Mfg
$294.442020 New Production partial oil pump assembly includes the body, 2 shafts and 1 gear. The welch plug is installed.*NOTE: Keys and snap rings not included, must order separately. Fits:FL 1941-1947EL...$294.44 -
Out of stock
V-Twin - 12-0826 - Chrome Rocker Shaft End Plug Set - Fits 1971-1984 Harley-Davidson FL, 1971-1985 XL, 1979-1983 FLT, 1971-1984 FX, 1982-1983 FXR
V-Twin Mfg
$37.28Chrome rocker shaft end plug set have an allen style head. Sold as a set of 4. Fits:FL 1971-1984XL 1971-1985FLT 1979-1983FX 1971-1984FXR 1982-1983Additional Information$37.28 -
Out of stock
V-Twin - 12-0825 - Reverse Distributor Gear Kit
Motorshop
$376.49V-Twin - 12-0825 - Reverse Distributor Gear KitDescriptionReverse rotation gear kit includes timer gear, cam chest idler gear, circuit breaker gear, and gear pins for magneto and distributor. Fits:FL...$376.49 -
Out of stock
V-Twin - 12-0809 - Oil Pump Drive Shaft Kit
Motorshop
$97.05V-Twin - 12-0809 - Oil Pump Drive Shaft KitDescriptionSifton oil pump drive shaft kit includes 3 keys, shaft gear, bushing and snap ring. Fits:FL 1968-1969Additional Information$97.05 -
Out of stock
V-Twin - 12-0808 - Oil Pump Drive Shaft Kit
Motorshop
MSRP: $76.92$76.14V-Twin - 12-0808 - Oil Pump Drive Shaft KitDescriptionSifton oil pump drive shaft kit includes 3 keys, shaft, gear, bushing, and snap rings. Fits:EL 1939-1952FL 1941-1967Additional InformationMSRP: $76.92$76.14 -
Out of stock
V-Twin - 12-0793 - Cam Chest Breather Valve Gear - Fits 1941-1947 Harley-Davidson FL
V-Twin Mfg
$97.20Cam chest breather valve gear is machined and designed to replace orignal ground steel units.*NOTE: Order 8 piece thrust washer separately. Fits:FL 1941-1947Additional Information$97.20 -
Out of stock
V-Twin - 12-0784 - Pinion Bearing Kit
Motorshop
MSRP: $73.03$72.30V-Twin - 12-0784 - Pinion Bearing KitDescriptionPinion bearing kit includes a white and grey engine case right bearing assembly, right side crankcase bearing retaining ring and a pinion shaft gear...MSRP: $73.03$72.30 -
Out of stock
V-Twin - 12-0771 - Chain Oiler Screw
Motorshop
MSRP: $15.94$15.77V-Twin - 12-0771 - Chain Oiler ScrewDescriptionChain oiler screw includes a "heavy" hex nut (7630). Screw is used to stop oil going to the chain. Fits:FL 1941-1964EL 1936-1952Additional InformationMSRP: $15.94$15.77 -
Out of stock
V-Twin - 12-0484 - 1936 Oil Pump Body
V-Twin Mfg
$357.41V-Twin - 12-0484 - 1936 Oil Pump Body Description 1936 oil pump body is machined to accept oil line for gauge on dash. Fits: EL 1936-1936 Additional Information$357.41 -
Out of stock
V-Twin - 12-0455 - XL Pinion Gear
Motorshop
$61.48V-Twin - 12-0455 - XL Pinion GearDescriptionXL pinion gear. Fits:XL 1974-1985Additional Information OEM No.24059-74$61.48 -
Out of stock
V-Twin - 12-0433 - Crankcase Sprocket Shaft Roller Bearing Retainer
Motorshop
MSRP: $44.15$43.26V-Twin - 12-0433 - Crankcase Sprocket Shaft Roller Bearing RetainerDescriptionCrankcase sprocket shaft roller bearing retainer.Sold as a pair. *NOTE: Some applications use a 1.35" O.D. cage. Fits:DL...MSRP: $44.15$43.26 -
Out of stock
V-Twin - 12-0316 - Koyo Cam Needle Bearing
Sonnax
$31.67V-Twin - 12-0316 - Koyo Cam Needle BearingDescriptionKoyo cam needle bearing has a roller design. For 1958-1999 Big Twin models.Our cam needle bearings are manufactured to meet OEM specifications for...$31.67 -
Out of stock
V-Twin - 12-0272 - Oil Pump Pin Oversize
Motorshop
MSRP: $40.27$39.47V-Twin - 12-0272 - Oil Pump Pin OversizeDescriptionOil pump pin for the idler gear features an oversize center section. Fits:FL 1941-1967EL 1936-1952Additional InformationMSRP: $40.27$39.47 -
Out of stock
V-Twin - 12-0271 - Replica Oil Pump Rebuild Kit
Motorshop
$396.51V-Twin - 12-0271 - Replica Oil Pump Rebuild KitDescriptionReplica oil pump rebuild kit includes all components except oil pressure switch and cast iron body.Cover has correct shape for 1941-1949...$396.51 -
Out of stock
V-Twin - 12-0186 - Tappet Oil Screen Kit - Fits 1952-1962 Harley-Davidson FL
V-Twin Mfg
$47.78Tappet oil screen kit includes screen, housing body, ball, spring, washer and chrome plug. Fits:FL 1952-1962Additional Information UOM1 - KIT$47.78 -
Out of stock
V-Twin - 11-2786 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .030 Ov
Motorshop
$112.44V-Twin - 11-2786 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set .030 Ov Description Replica 3-1/2" bore piston set has a 8:1 compression ratio and is .030 oversize. Piston set includes...$112.44 -
Out of stock
V-Twin - 11-2783 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set Standar
Motorshop
$96.11V-Twin - 11-2783 - Replica 80 inch Overhead Valve 3-1/2 inch Piston Set Standar Description Replica 3-1/2" bore piston set has a 8:1 compression ratio and is standard size. Piston set includes...$96.11
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.