Engine
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Out of stock
V-Twin - 14-0805 - Umbrella Rocker Box Valve Seal - Fits 1999-2016 Harley-Davidson FLT, 1999-2017 FLST, FXST, FXD
V-Twin Mfg
$7.78Umbrella rocker box valve seal Fits:FLT 1999-2016FLST 1999-2017FXST 1999-2017FXD 1999-2017Additional Information OEM No.26858-$7.78 -
Out of stock
V-Twin - 14-0744 - 45 Transmission Sprocket Seal - Fits 1941-1973 Harley-Davidson G, 1941-1952 W
V-Twin Mfg
$21.0345 transmission sprocket seal. Fits:G 1941-1973W 1941-1952Additional Information UOM1 - EA Manufactur$21.03 -
Out of stock
V-Twin - 14-0743 - 45 Transmission Sprocket Seal Ring Steel - Fits 1941-1973 Harley-Davidson G, 1941-1952 W
V-Twin Mfg
$21.0345 transmission sprocket seal ring features a steel finish. Sprocket seal holds countershaft sprocket in place. Fits:G 1941-1973W 1941-1952Additional Information$21.03 -
Out of stock
V-Twin - 14-0687 - James Map Sensor Oil Seal
James Gaskets
MSRP: $23.86$22.31V-Twin - 14-0687 - James Map Sensor Oil SealDescriptionOil seal for map sensor Fits:FLST 1999-2017 TC-88FLT 1999-2016 TC-88FXST 1999-2017 TC-88FXD 1999-2017 TC-88Additional InformationMSRP: $23.86$22.31 -
Out of stock
V-Twin - 14-0681 - Pushrod Cover Seal Kit - Fits 1999-2017 Harley-Davidson FLST (TC-88), 1999-2016 FLT (TC-88), 1999-2017 FXST (TC-88), 1999-2017 FXD (TC-88)
V-Twin Mfg
$16.14Pushrod cover seal kit Fits:FLST 1999-2017 TC-88FLT 1999-2016 TC-88FXST 1999-2017 TC-88FXD 1999-2017 TC-88Additional Information UOM$16.14 -
Out of stock
V-Twin - 14-0027 - Pushrod Cover Seal Kit - Fits 1979-1983 Harley-Davidson FLT, 1980-1984 FL, 1982-1983 FXR
V-Twin Mfg
$16.14This quad type pushrod cover seal kit includes enough pieces to seal 4 complete pushrod covers.Sold as a 12 piece kit. Fits:FLT 1979-1983FL 1980-1984FXR 1982-1983Additional Information$16.14 -
Out of stock
V-Twin - 14-0005 - M8 Primary Derby O-Rings
V-Twin Mfg
$40.89Primary derby o-rings for M8 models.Sold as a pack of 5. Fits: FLSB 2019-2022 FXBR 2019-2019 FXSDRS 2019-2020 FXFB 2019-2020 FLHCS 2019-2022 FXLRS 2020-2022 FLFB 2019-2020 FXLRST...$40.89 -
Out of stock
V-Twin - 14-0000 - Breather Sealing Washer Set 5 inch
V-Twin Mfg
$15.35V-Twin - 14-0000 - Breather Sealing Washer Set 5 inchDescription1/2" inner diameter 8 pieces washer set features 4 nylon and 4 steel washer for 1/2" breather bolts or heads.Sold as a set of 8...$15.35 -
Out of stock
V-Twin - 13-9250 - HI-Lift Valve Spring Set
Andrews
MSRP: $77.63$76.86V-Twin - 13-9250 - HI-Lift Valve Spring SetDescriptionAndrews hi-lift valve spring setSold as a set of 4. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional InformationMSRP: $77.63$76.86 -
Out of stock
V-Twin - 13-9194 - Valve Spring Kit
Motorshop
$87.69V-Twin - 13-9194 - Valve Spring KitDescriptionValve spring kit includes all springs, collars and keepers necessary for application. Fits:FL 1980-1981FLT 1980-1981FX 1980-1981Additional Information$87.69 -
Out of stock
V-Twin - 13-0482 - Valve Spring Kit Black
Sifton
MSRP: $15.88$15.72V-Twin - 13-0482 - Valve Spring Kit BlackDescriptionSifton black valve spring kit includes four outer springs, four inner springs, four lower collars, four upper collars, and four pair of keepers...MSRP: $15.88$15.72 -
Out of stock
V-Twin - 13-0190 - 45 inch WR Valve Spring Set - Fits 1937-1952 Harley-Davidson W
V-Twin Mfg
$81.09Valve spring 4 piece set features a parkerized finish for 45" WR models. Fits:W 1937-1952Additional Information UOM1 - SET$81.09 -
Out of stock
V-Twin - 12-9931 - Replica Cast Iron Oil Pump Assembly
Motorshop
$440.59V-Twin - 12-9931 - Replica Cast Iron Oil Pump Assembly Description Replica cast iron oil pump assembly includes the correct oil pressure switch.Assembly is exact for the years listed! Outer cover...$440.59 -
Out of stock
V-Twin - 12-4575 - Engine Right Case Roller Bearing Set .0004
Motorshop
$25.33V-Twin - 12-4575 - Engine Right Case Roller Bearing Set .0004 Description .0004 engine right case roller bearing set Fits: WL 1929-1952 FL 1954-1954 Additional Information$25.33 -
Out of stock
V-Twin - 12-1947 - Cast Iron Oil Pump Sub Assembly
Motorshop
$576.11V-Twin - 12-1947 - Cast Iron Oil Pump Sub Assembly Description Cast iron oil pump assembly includes cast outer cover without rotator. Pump is fitted with the later type oil pump relief valve kit...$576.11 -
Out of stock
V-Twin - 12-1872 - Oil Pump Feed Gear
Motorshop
$33.59V-Twin - 12-1872 - Oil Pump Feed GearDescriptionOil pump feed gear features slots on each side of the surface. Fits:XL 1962-1971Additional Information$33.59 -
Out of stock
V-Twin - 12-1765 - Sifton Thin Tappet Lock Nut Set
Sifton
$27.24V-Twin - 12-1765 - Sifton Thin Tappet Lock Nut SetDescriptionSifton thin tappet lock nuts with 5/16" x 32 thread for solid tappets on Big Twin and Sportster models.Easy installation allows the...$27.24 -
Out of stock
V-Twin - 12-1763 - Head Breather Stud Zinc
Motorshop
MSRP: $44.55$43.66V-Twin - 12-1763 - Head Breather Stud ZincDescriptionHead breather stud is zinc plated with a thread of 5/16 x 24. Fits:EL 1936-1938Additional InformationMSRP: $44.55$43.66 -
Out of stock
V-Twin - 12-1568 - Replica Cam Chest Breather Valve Standard Size - Fits 1971-1977 Harley-Davidson FX, 1948-1977 FL
V-Twin Mfg
$100.08Replica standard size cam chest breather valve is constructed of precision ground steel with screen installed.Order thrust washers separately. ...$100.08 -
Out of stock
V-Twin - 12-1541 - Cam Chest Breather Kit
Motorshop
$45.05V-Twin - 12-1541 - Cam Chest Breather KitDescriptionCam chest breather kit includes cam chest breather deflector pinion shaft breather seal spring, breather pipe, and oil transfer valve. Fits:XL...$45.05 -
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
Harley Engine
At Deadbeat Customs, we offer a wide selection of Harley engine parts built for performance, reliability, and long-lasting power. Whether you're rebuilding a vintage motor or upgrading a modern setup, we’ve got the top-end and bottom-end components you need to get the job done right.
We carry engine parts for a wide range of Harley Davidson models, including Dyna, Sportster, FXR, Touring, Softail, Shovelhead, and Panhead. From the classic Evo 1340 and Shovelhead to Twin Cam 88/96/103/110, and the modern Milwaukee-Eight 107/114/117, our catalog covers nearly every era of Harley engine design.
Choose from trusted brands like S&S Cycle, Fueling, Vance & Hines, and more—known for producing high-quality components that meet or exceed OEM standards.
Explore our full collection of Harley engine parts today and build your motor with confidence—because whether it’s vintage or modern, your Harley deserves the best from the inside out.