Engine
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V-Twin - 40-0513 - Crankcase Vent Fitting
Colony Machine
$25.33V-Twin - 40-0513 - Crankcase Vent FittingDescriptionCrankcase vent fitting. Fits:XL 1977-1980Additional Information OEM No.<$25.33 -
V-Twin - 40-0512 - Oil Pump Repair Fitting
Wyatt Gatling
$23.00V-Twin - 40-0512 - Oil Pump Repair Fitting Description Oil pump fitting with 7/16" X 20 thread with internal hex for installation.This fitting repairs stripped or broken fittings in cast iron side...$23.00 -
V-Twin - 40-0471 - Dual Oil Cooler Kit - Fits 1998-2016 Harley-Davidson FLT
V-Twin Mfg
$309.69Sifton oil cooler kit includes dual tube vertical oil cooler with billet mount clamps measuring 10" long and 4-1/8" at top diameter. Stainless steel braided lines and 4 chrome seal ends included...$309.69 -
V-Twin - 40-0462 - Oil Line Filter Kit
V-Twin Mfg
$76.84V-Twin - 40-0462 - Oil Line Filter KitDescriptionThe Sifton oil line filter kit includes filter and compression fittings for 3/8" stainless steel hose. Fits:Custom applicationAdditional Information$76.84 -
V-Twin - 40-0388 - Oil Pre Filter
Wyatt Gatling
$50.39V-Twin - 40-0388 - Oil Pre FilterDescriptionThe Sifton chrome oil pre filter has a 1/8" National Pipe Thread body and is constructed of machined alloy with a #40 mesh screen installed to trap debris...$50.39 -
V-Twin - 40-0378 - Perf-form Spin On Oil Filter
Perf-Form
MSRP: $19.88$17.89V-Twin - 40-0378 - Perf-form Spin On Oil FilterDescriptionThis spin on black oil filter is 3-3/4" long. Filter is 3/4" longer than stock and will not fit fuel injected models. Fits:FXST 1984-1998FXR...MSRP: $19.88$17.89 -
V-Twin - 40-0372 - Chrome Oil Line Set - Fits 1937-1952 Harley-Davidson WL, 1937-1973 G
V-Twin Mfg
$137.83Chrome three piece oil line set includes feed, vent, and return lines.Three piece set. Oil lines will require tweaking, bending and alignment during installation. Make sure flared ends are tapered...$137.83 -
V-Twin - 40-0347 - Dual Tube Oil Cooler Kit Chrome - Fits 1970-1984 Harley-Davidson FL, 1971-1984 FX
V-Twin Mfg
$209.61Oil cooler kit includes billet dual tube vertical oil cooler with billet mount clamps and measures 10" long and 4-1/8" top diameter.Includes stainless lines and four chrome seal ends. This kit does...$209.61 -
V-Twin - 40-0343 - Oil Cooler Kit Dual Tube Vertical Type - Fits 2000-2017 Harley-Davidson FLST, FXST
V-Twin Mfg
$317.20Sifton oil cooler kit with 1-1/8" clamps, billet dual tube vertical cooler with clamps, stainless lines, and 4 chrome seal ends. Unit measures 10" long and 4-1/8" at top diameter Fits:FLST...$317.20 -
V-Twin - 40-0341 - Oil Cooler Clamp Set
Wyatt Gatling
$48.38V-Twin - 40-0341 - Oil Cooler Clamp SetDescriptionChrome billet oil cooler clamps are used to mount 1-1/8" diameter oil coolers to 1-1/4" frame tube. Fits:Custom application for 1-1/4" diameter oil...$48.38 -
V-Twin - 40-0316 - Chrome Generator Oil Filter Adapter
Wyatt Gatling
MSRP: $71.55$70.83V-Twin - 40-0316 - Chrome Generator Oil Filter AdapterDescriptionOil filter adapter has 5/16" x 24 threaded bolts to accept stock oil filter.Use the Heilcoil kit to convert to 1/4"-24 threads so...MSRP: $71.55$70.83 -
V-Twin - 40-0305 - Lockhart Replica Oil Cooler
Wyatt Gatling
$289.05V-Twin - 40-0305 - Lockhart Replica Oil CoolerDescriptionSifton, replica, oil cooler is a horizontal mount type with brass fins and four rows of cooling tubes, encased by a welded steel frame, and...$289.05 -
V-Twin - 40-0301 - Oil Filter Kit - Fits 1982-1984 Harley-Davidson XL
V-Twin Mfg
MSRP: $70.95$70.24This complete oil filter kit installs as engine mount plates and oil filter unit & includes chrome filter, hose, clamps and chrome motor mount plates Fits:XL 1982-1984Additional InformationMSRP: $70.95$70.24 -
V-Twin - 40-0273 - Oil Filter Adapter
Wyatt Gatling
MSRP: $81.92$81.09V-Twin - 40-0273 - Oil Filter AdapterDescriptionOil filter adapter with fittings. Equipped with 2 outlets. One for feed, one for return.Allows installation of oil cooler on 1984-1998 FXST/FLST models...MSRP: $81.92$81.09 -
V-Twin - 40-0272 - Dual Cool Oil Cooler
V-Twin Mfg
$243.95V-Twin - 40-0272 - Dual Cool Oil CoolerDescriptionChrome dual oil cooler includes stainless steel hose and adapter fitting for engine to allow use of oil filter which is included.Bracket is sold...$243.95 -
V-Twin - 40-0260 - Replica 'Y' Oil Line Elbow
Wyatt Gatling
MSRP: $40.27$39.47V-Twin - 40-0260 - Replica 'Y' Oil Line ElbowDescriptionReplica zinc plated Panhead 'Y' oil line elbow for use on outside oiling. Fits:FL 1963-1965Additional InformationMSRP: $40.27$39.47 -
V-Twin - 40-0250 - Cylinder Drain Inner Filter
V-Twin Mfg
$31.66V-Twin - 40-0250 - Cylinder Drain Inner FilterDescriptionThis inner filter for return top end oil features a stainless steel screen and a ceramic magnet that will stop all ferrous debris from common...$31.66 -
V-Twin - 40-0247 - Knucklehead Top Y Oil Line Zicad - Fits 1936-1940 Harley-Davidson EL, 1941 FL
V-Twin Mfg
MSRP: $138.24$137.06Banjo type top oiler line has a zicad finish for Knuckleheads. Line utilizes the 9/16" hex nut bolt.Features banjo end to accept banjo bolts, not included. ...MSRP: $138.24$137.06 -
V-Twin - 40-0242 - Braided Overhead Rocker Arm Oil Line
Wyatt Gatling
$32.31V-Twin - 40-0242 - Braided Overhead Rocker Arm Oil LineDescriptionThis braided overhead rocker arm oil line is stainless steel with fittings Fits:XL 1957-1985Additional Information$32.31 -
V-Twin - 40-0241 - Braided Overhead Rocker Arm Oil Line
Wyatt Gatling
$31.45V-Twin - 40-0241 - Braided Overhead Rocker Arm Oil LineDescriptionThis overhead rocker arm oil line is covered with stainless steel braided wire and is for stock height cylinders. Fits:FLT...$31.45 -
V-Twin - 40-0240 - Knucklehead Top Y Oil Line Chrome - Fits 1936-1940 Harley-Davidson EL, 1941 FL
V-Twin Mfg
MSRP: $138.24$137.06Banjo type top oiler line has a chrome finish for Knuckleheads. Line utilizes the 9/16" hex nut bolt.Features banjo end to accept banjo bolts, not included. Fits:EL 1936-1940FL 1941-1941Additional...MSRP: $138.24$137.06 -
V-Twin - 40-0239 - Knucklehead Top Oil Line Zicad - Fits 1942-1947 Harley-Davidson FL
V-Twin Mfg
$137.06Top oil line features a zicad finish and Knucklehead with gland type nuts for installation. Line utilizes the 9/16" hex nut bolt.*NOTE: Zicad is a dull shade of zinc similar to cadmium. Fits:FL...$137.06 -
V-Twin - 40-0203 - Rocker Box Line Kit Chrome
Wyatt Gatling
$84.61V-Twin - 40-0203 - Rocker Box Line Kit ChromeDescriptionChrome rocker box line kit includes "T" to oil the heads with 3mm tube.*NOTE: Oil line has 3mm outer diameter. Fits:FLT 1979-1983FX...$84.61 -
V-Twin - 40-0201 - Finned Oil Filter Canister - Fits 1948-1964 Harley-Davidson FL
V-Twin Mfg
$82.96Oil filter body has a finned design for canister style filter assemblies.Original "Beehive" oil filter canister was first produced by George Smith Sr in the 1950's. Casting is supplied with raw...$82.96 -
V-Twin - 40-0180 - Rocker Box Oil Line Set
Wyatt Gatling
MSRP: $38.05$37.29V-Twin - 40-0180 - Rocker Box Oil Line SetDescriptionSifton, chrome rocker box oil line set for Shovelhead models includes fittings and seals, and features an updated fitting design for ease of...MSRP: $38.05$37.29 -
V-Twin - 40-0179 - Replica 'Y' Oil Line Kit
Wyatt Gatling
MSRP: $72.13$71.41V-Twin - 40-0179 - Replica 'Y' Oil Line KitDescriptionReplica steel 'Y' line oil kit includes elbow and fittings for Panhead engines. The line is chrome and the elbow is zinc plated.Kit is for use on...MSRP: $72.13$71.41 -
V-Twin - 40-0157 - Feed Oil Line Washer - Fits 1936-1952 Harley-Davidson WL, 1936-1973 G
V-Twin Mfg
MSRP: $7.94$7.85Washer is for feed oil line banjo fitting bolt. Fits:WL 1936-1952G 1936-1973Additional Information OEM No.3570-36BMSRP: $7.94$7.85 -
V-Twin - 40-0151 - Cadmium Feed Oil Line - Fits 1938-1948 Harley-Davidson UL
V-Twin Mfg
$46.20Cadmium Feed Oil Line Fits:UL 1938-1948Additional Information OEM No.3571-38 UOM1 - EA$46.20 -
V-Twin - 40-0128 - Replica 'Y' Oil Line Elbow - Fits 1963-1965 Harley-Davidson FL
V-Twin Mfg
$22.31Replica brass Panhead 'Y' oil line elbow for use on outside oiling. Fits:FL 1963-1965Additional Information OEM No.63542-63$22.31 -
V-Twin - 40-0125 - Oil Filter Upper and Lower Seal Kit
Wyatt Gatling
MSRP: $16.56$16.39V-Twin - 40-0125 - Oil Filter Upper and Lower Seal KitDescriptionOil filter kit with upper seal kit and lower seals Fits:XLH 1957-1981FL 1965-1981FX 1971-1981Additional InformationMSRP: $16.56$16.39 -
V-Twin - 40-0122 - Oil Filter Retainer Lower - Fits 1965-1981 Harley-Davidson FL, 1957-1978 XLH, 1971-1981 FX
V-Twin Mfg
MSRP: $9.94$9.83Lower retainer for filter elements. Fits:FL 1965-1981XLH 1957-1978FX 1971-1981Additional Information OEM No.63846-67MSRP: $9.94$9.83 -
V-Twin - 40-0121 - Breather Pipe Chrome
Wyatt Gatling
$24.83V-Twin - 40-0121 - Breather Pipe ChromeDescriptionChrome breather pipe with fitting nut.The pipe opens into a container for ventilation. Breather pipe is manufactured to meet OEM specifications for...$24.83 -
V-Twin - 40-0115 - Oil Line Kit
Wyatt Gatling
$36.59V-Twin - 40-0115 - Oil Line KitDescriptionChrome oil line kit for rocker boxes which include fittings and seals.. Fits:XL 1957-1984 except models that have MagnetosAdditional Information$36.59 -
V-Twin - 40-0113 - Replica Chrome 'Y' Oil Line
Wyatt Gatling
$63.82V-Twin - 40-0113 - Replica Chrome 'Y' Oil LineDescriptionReplica chrome 'Y' oil line is for use on stock 1963-1965 Panheads, or on STD heads for outside oiling.The timing cover must be drilled for...$63.82 -
V-Twin - 40-0105 - UL Oil Line Set Chrome - Fits 1941-1948 Harley-Davidson UL
V-Twin Mfg
$153.89Chrome oil line set includes feed, return, and vent lines.Three piece set. *NOTE: The frame brace must have an indent for the feed line to connect to the oil pump fitting. Fits:UL 1941-1948Additional...$153.89 -
V-Twin - 40-0100 - Oil Filter Kit
Wyatt Gatling
$92.86V-Twin - 40-0100 - Oil Filter KitDescriptionThis oil filter kit features bolt on mounting behind shifter plate and can be used as an auxiliary unit in addition to filter in tank. Kit includes chrome...$92.86 -
V-Twin - 40-0098 - Oil Cooler Filter Kit
Wyatt Gatling
$97.81V-Twin - 40-0098 - Oil Cooler Filter KitDescriptionThis oil cooler filter kit with alloy flange and lines includes chrome spin on filter, finned aluminum mount, hose and clamps. Kit is universal...$97.81 -
V-Twin - 40-0096 - Pura Flow Oil Filter Kit Chrome
Wyatt Gatling
$84.61V-Twin - 40-0096 - Pura Flow Oil Filter Kit ChromeDescriptionChrome Pura Flow oil filter kit for Big Twins models. Fits:FXST 1984-1998FLST 1986-1999FX 1974-1984FL 1941-1984Additional Information$84.61 -
V-Twin - 40-0093 - Oil Filter Housing Chrome - Fits 1992-1999 Harley-Davidson FXST, FLST
V-Twin Mfg
$71.15Chrome oil filter housing features two 1/4" NPT fitting holes for attaching rubber or braided steel oil lines.Mounts the same as stock housing on 1992-1999 models. Also can be used on aftermarket...$71.15 -
V-Twin - 40-0090 - Oil Filter Assembly
Wyatt Gatling
$138.50V-Twin - 40-0090 - Oil Filter AssemblyDescriptionPolished top oil filter assembly features slip on hose fitting which can be substituted with screw in fittings to accept metal line. Canister is...$138.50
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.