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 - 12-0197 - Idler Gear Stud Screw
Eastern Motorcycle Parts
$29.61V-Twin - 12-0197 - Idler Gear Stud ScrewDescriptionIdler gear stud screw for Side Valve models. Fits:UL 1937-1948WL 1937-1952VL 1932-1937WL 1932-1936G 1932-1973Additional Information$29.61 -
V-Twin - 12-0196 - Cam Chest Circuit Breaker Stud Screw
Eastern Motorcycle Parts
$29.80V-Twin - 12-0196 - Cam Chest Circuit Breaker Stud ScrewDescriptionCircuit breaker stud left handed screw.Sold as a pack of five. Fits:FL 1959-1969Additional Information$29.80 -
V-Twin - 12-0190 - Replica Oil Pump Drive Shaft
Motorshop
$29.58V-Twin - 12-0190 - Replica Oil Pump Drive ShaftDescription2019 New Production replica oil pump drive shaft. Fits:FL 1941-1967EL 1936-1940Additional Information$29.58 -
V-Twin - 12-0184 - Cam Chest Circuit Breaker Stud Screw
Eastern Motorcycle Parts
$24.19V-Twin - 12-0184 - Cam Chest Circuit Breaker Stud ScrewDescriptionCircuit breaker stud left handed screw. Fits:FL 1959-1969Additional Information$24.19 -
V-Twin - 12-0183 - Oil Pump Feed Drive Gear
Motorshop
$59.30V-Twin - 12-0183 - Oil Pump Feed Drive GearDescriptionOil pump feed idler gear is made from solid billet steel. By installing this gear you will have an increase over 5% of pressure, as well as an...$59.30 -
V-Twin - 12-0182 - Oil Pump Return Drive Gear
Motorshop
$34.72V-Twin - 12-0182 - Oil Pump Return Drive GearDescriptionOil pump return drive gear is made from solid billet steel. By installing this gear you will have an increase over 5% of pressure, as well as...$34.72 -
V-Twin - 12-0179 - Oil Pump Feed Idler Gear
Motorshop
MSRP: $45.13$44.22V-Twin - 12-0179 - Oil Pump Feed Idler GearDescriptionOil Pump Feed Idler Gear Fits:EL 1936-1947Additional Information OEM No.MSRP: $45.13$44.22 -
V-Twin - 12-0177 - Oil Pump Hardware Kit
Motorshop
MSRP: $76.92$76.14V-Twin - 12-0177 - Oil Pump Hardware KitDescriptionKit includes oil pressure switch fitting, pressure switch, straight male gas/oil fitting, oil pump check valve spring, 3/8" clutch ball bearing,...MSRP: $76.92$76.14 -
V-Twin - 12-0176 - Tappet Oil Screen Housing
Motorshop
MSRP: $23.14$21.63V-Twin - 12-0176 - Tappet Oil Screen HousingDescriptionOil screen housing Fits:FL 1952-1962Additional Information OEM No.MSRP: $23.14$21.63 -
V-Twin - 12-0174 - Oil Pump Idler Gear
Motorshop
MSRP: $38.05$37.29V-Twin - 12-0174 - Oil Pump Idler GearDescriptionOil pump idler gear. This gear is used as the scavenger idler gear on late 1962-1967 models and as the feed idler gear on the 1968-1998 models...MSRP: $38.05$37.29 -
V-Twin - 12-0172 - Pushrod 3/16 inch Steel Ball Bearing - Fits 1948-1952 Harley-Davidson FL
V-Twin Mfg
$9.76Steel pushrod ball bearing 3/16".Sold as a pack of 50. Fits:FL 1948-1952Additional Information OEM No.8854$9.76 -
V-Twin - 12-0170 - Oil Pump Feed Idler Gear
Motorshop
MSRP: $45.13$44.22V-Twin - 12-0170 - Oil Pump Feed Idler GearDescriptionOil pump feed idler gear. Fits:FL 1962-1967Additional Information OEM No.MSRP: $45.13$44.22
V-Twin - 12-0169 - Scavenger Oil Pump Idler Gear
Motorshop
MSRP: $45.13$44.22V-Twin - 12-0169 - Scavenger Oil Pump Idler GearDescriptionOil pump scavenger idler gear.Idler oil pump gear does not include oil grove or oil rotor drive slot. *NOTE: 1942-1949 pumps uses rotor...MSRP: $45.13$44.22
V-Twin - 12-0168 - Oil Pump Drvie Feed Gear
Motorshop
MSRP: $45.13$44.22V-Twin - 12-0168 - Oil Pump Drvie Feed GearDescriptionOil pump drive feed gear. Fits:FL 1948-1973Additional Information OEM No.MSRP: $45.13$44.22
V-Twin - 12-0167 - Scavenger Oil Pump Gear Drive
Motorshop
MSRP: $45.13$44.22V-Twin - 12-0167 - Scavenger Oil Pump Gear DriveDescriptionScavenger oil pump gear drive. Fits:FL 1941-1967EL 1936-1940Additional InformationMSRP: $45.13$44.22
V-Twin - 12-0164 - Oil Filter 1/4 inch Round Ball Bearing
Motorshop
MSRP: $23.86$22.31V-Twin - 12-0164 - Oil Filter 1/4 inch Round Ball BearingDescription1/4" round ball bearings for use for oil filter. Fits:FL 1948-1964Additional InformationMSRP: $23.86$22.31
V-Twin - 12-0162 - Tappet Oil Screen Kit
Motorshop
$34.72V-Twin - 12-0162 - Tappet Oil Screen KitDescriptionTappet oil screen kit includes chrome plug, screen o-ring and spring. Fits:FL 1963-1965Additional Information$34.72
V-Twin - 12-0159 - Tappet Oil Screen Kit
Motorshop
MSRP: $47.13$45.05V-Twin - 12-0159 - Tappet Oil Screen KitDescriptionTappet oil screen kit includes screen, housing body, ball, spring, washer and cadmium plug. Fits:FL 1952-1962Additional InformationMSRP: $47.13$45.05
V-Twin - 12-0154 - XL Scavenger Oil Pump Screen
Eastern Motorcycle Parts
$19.64V-Twin - 12-0154 - XL Scavenger Oil Pump ScreenDescriptionStock replacement type oil pump screen. Fits:K 1954-1956XL 1957-1973Additional Information$19.64
V-Twin - 12-0153 - Side Valve Scavenger Oil Pump Screen
Motorshop
MSRP: $9.86$9.76V-Twin - 12-0153 - Side Valve Scavenger Oil Pump ScreenDescriptionSide valve scavenger pump screen. Fits:WL 1939-1952G 1939-1973UL 1939-1948Additional InformationMSRP: $9.86$9.76
V-Twin - 12-0151 - Tappet Oil Screen Kit
Motorshop
$32.31V-Twin - 12-0151 - Tappet Oil Screen KitDescriptionTappet oil screen kit includes chrome cap, screen o-ring and spring for Shovelhead Fits:FL 1970-1980FX 1970-1983Additional Information$32.31
V-Twin - 12-0150 - Tappet Oil Screen Kit
Motorshop
$25.84V-Twin - 12-0150 - Tappet Oil Screen KitDescriptionTappet oil screen kit includes chrome cap, screen o-ring and spring for Shovelhead. Fits:FL 1966-1969Additional Information$25.84
V-Twin - 12-0126 - Cam Installation Support Kit Chain Type
S&S Cycle
MSRP: $209.91$172.16V-Twin - 12-0126 - Cam Installation Support Kit Chain TypeDescriptionChain type kit includes cam cover gasket, two inner cam bearings, two outer cam bearings and a retaining ring. Fits:FLT...MSRP: $209.91$172.16
V-Twin - 12-0125 - Cam Installation Support Kit Gear Type
S&S Cycle
MSRP: $99.91$97.25V-Twin - 12-0125 - Cam Installation Support Kit Gear TypeDescriptionGear type kit includes cam cover gasket, two inner cam bearings, two outer cam bearings and a retaining ring. Fits:FLT 2000-2006FXD...MSRP: $99.91$97.25
V-Twin - 12-0118 - Oil Pump Governor Cover Kit Parkerized - Fits 1941-1947 Harley-Davidson FL, EL
V-Twin Mfg
$145.63Oil pump governor cover kit includes a cast parkerized cover with the chain oiler provision and an internal rotator governor.Usually found on Army and Navy military Knuckleheads. Fits:FL 1941-1947EL...$145.63
V-Twin - 12-0110 - Side Valve Feed Pump Kit
Motorshop
$485.76V-Twin - 12-0110 - Side Valve Feed Pump KitDescriptionSide valve feed pump kit includes complete cast iron pump assembly, feed pump upgrade and mount kit.Kit includes a cast iron oil pump assembly,...$485.76
V-Twin - 12-0109 - Parkerized Oil Pump Cover
Motorshop
$90.99V-Twin - 12-0109 - Parkerized Oil Pump CoverDescriptionCast oil pump cover for Knucklehead and early Panhead models features a parkerized finish.Oil pump cover features provision for chain oiler on...$90.99
V-Twin - 12-0108 - Oil Pressure Gauge Bypass Shim
Motorshop
MSRP: $15.86$15.70V-Twin - 12-0108 - Oil Pressure Gauge Bypass ShimDescriptionShim is machined and assures proper spring pre load raising and stabilizing volume and pressure. Fits:FLT 1999-2016FLST 1999-2017FXST...MSRP: $15.86$15.70
V-Twin - 12-0107 - Pinion Shaft Parts Kit
Motorshop
$28.33V-Twin - 12-0107 - Pinion Shaft Parts KitDescriptionPinion shaft parts kit includes pinion shaft seal ring and ring springs. Fits:UL 1940-1948Additional Information$28.33
V-Twin - 12-0103 - Pinion Shaft Parts Kit
Motorshop
$32.31V-Twin - 12-0103 - Pinion Shaft Parts KitDescriptionKit includes pinion shaft seal ring and pinion shaft ring spring. Fits:G 1937-1973WL 1937-1973Additional Information$32.31
V-Twin - 12-0102 - Pinion Shaft 4 Piece Parts Kit
Motorshop
MSRP: $36.64$35.90V-Twin - 12-0102 - Pinion Shaft 4 Piece Parts KitDescriptionKit includes pinion shaft gear steel spacer, ring spacer, cam chest breather screen, and separator plate.This is a 4 piece kit. Fits:FL...MSRP: $36.64$35.90
V-Twin - 12-0101 - Pinion Shaft 5 Piece Parts Kit
Motorshop
$35.41V-Twin - 12-0101 - Pinion Shaft 5 Piece Parts KitDescriptionKit includes pinion shaft seal ring, gear spacer, ring spring, cam chest breather screen, and separator plate.This is a 5 piece kit...$35.41
V-Twin - 12-0059 - XL Oil Pump Kit - Fits 1972-1976 Harley-Davidson XL
V-Twin Mfg
$423.70XL oil pump kit includes a billet aluminum body, with pins and 4 gears installed. Fits:XL 1972-1976Additional Information UOM1 - KIT$423.70
V-Twin - 11-9899 - Forged .030 10:1 Compression Piston Kit
Wiseco
$487.94V-Twin - 11-9899 - Forged .030 10:1 Compression Piston Kit Description Wiseco 80" Evolution domed piston kit is .030 oversize. Piston kit has a compression of 10:1 and includes Hastings X Ring pack...$487.94
V-Twin - 11-9898 - Forged .020 10:1 Compression Piston Kit
Wiseco
$488.04V-Twin - 11-9898 - Forged .020 10:1 Compression Piston Kit Description Wiseco 80" Evolution domed piston kit is .020 oversize. Piston kit has a compression of 10:1 and includes Hastings X Ring pack...$488.04
V-Twin - 11-9897 - Forged .010 10:1 Compression Piston Kit
Wiseco
$487.94V-Twin - 11-9897 - Forged .010 10:1 Compression Piston Kit Description Wiseco 80" Evolution domed piston kit is .010 oversize. Piston kit has a compression of 10:1 and includes Hastings X Ring pack...$487.94
V-Twin - 11-6096 - Black Diamond Stem Exhaust Valve
Kibblewhite
$46.15V-Twin - 11-6096 - Black Diamond Stem Exhaust Valve Description Precision Machining exhaust valve has a black diamond stem. Fits: EL 1936-1940 FL 1941-1947 Additional Information$46.15
V-Twin - 11-6095 - Black Diamond Stem Intake Valve
Kibblewhite
$46.15V-Twin - 11-6095 - Black Diamond Stem Intake Valve Description Precision machined intake valve has a black diamond stem. Fits: EL 1936-1940 FL 1941-1947 Additional Information$46.15
V-Twin - 11-6094 - 1200cc Black Diamond Stem Exhaust Valve
Kibblewhite
MSRP: $39.22$38.43V-Twin - 11-6094 - 1200cc Black Diamond Stem Exhaust Valve Description Black diamond exhaust valve Fits: XL 1988-2003 Additional InformationMSRP: $39.22$38.43
V-Twin - 11-6093 - 1200cc Black Diamond Stem Intake Valve
Kibblewhite
MSRP: $45.40$44.50V-Twin - 11-6093 - 1200cc Black Diamond Stem Intake Valve Description Black diamond intake valve Fits: XL 1988-2003 Additional InformationMSRP: $45.40$44.50About 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.