Engine
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V-Twin - 40-0649 - 45 W/G Oil Line Set Zicad Plated - Fits 1938-1952 Harley-Davidson WL, 1938-1973 G
V-Twin Mfg
$133.69Zicad plated oil line set includes feed, vent and return lines.Sold as a 3 piece set. Oil lines will require tweaking, bending and alignment during installation. Make sure flared ends are tapered fitting. ...$133.69 -
V-Twin - 40-0647 - U/UL Oil Line Set Zicad Plated - Fits 1941-1948 Harley-Davidson UL
V-Twin Mfg
$166.54Zicad plated oil line set includes feed, return and vent lines.Sold as a 3 piece set. *NOTE: Zicad is a dull shade of zinc similar to cadmium. *NOTE: The frame brace must have an indent for the...$166.54 -
V-Twin - 40-0613 - Oil Filter Canister Kit - Fits 1936-1947 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$134.41Oil filter kit features chrome canister body with polished top. Includes cadmium plated bracket and zinc plated fitting kit.Order oil lines separately. Fits:EL 1936-1947FL 1941-1947Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported ...$134.41 -
V-Twin - 40-0606 - Chrome Top Oil Line
Wyatt Gatling
$88.80V-Twin - 40-0606 - Chrome Top Oil LineDescriptionChrome upper "Y" type oil line allows even flow to both heads on external oil line Panheads. Fits:FL 1963-1965Additional Information UOM1 - EA ManufacturerWyatt Gatling OriginImported 2025 Catalog...$88.80 -
V-Twin - 40-0605 - Oil Filter Cap Adapter
Wyatt Gatling
MSRP: $11.86$11.74V-Twin - 40-0605 - Oil Filter Cap AdapterDescriptionOil filter cap adapter has a cadimum finish. Fits:FL 1941-1964Additional Information OEM No.63871-50 UOM1 - EA ManufacturerWyatt Gatling OriginImported 2025 Catalog Pages743MSRP: $11.86$11.74 -
V-Twin - 40-0594 - Billet Oil Filter Bracket
Wyatt Gatling
$116.31V-Twin - 40-0594 - Billet Oil Filter BracketDescriptionChrome oil filter bracket for Evolution models. Fits:FXST 1992-1999FLST 1992-1999Additional Information UOM1 - EA ManufacturerWyatt Gatling OriginImported 2025 Catalog Pages431$116.31 -
V-Twin - 40-0546 - Oil Pump Breather Nut
Wyatt Gatling
MSRP: $11.86$11.74V-Twin - 40-0546 - Oil Pump Breather NutDescriptionNut only for the oil pump breather Fits:XLCH 1957-1978KH 1954-1956XLH 1957-1978Additional Information OEM No.24918-52 UOM1 - EA ManufacturerWyatt Gatling OriginImported 2025 Catalog Pages863MSRP: $11.86$11.74 -
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.34744-77 UOM1 - EA ManufacturerColony OriginUSA 2025 Catalog Pages872$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 valve feed or scavenger pumps. Fits: UL...$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. Fits:FLT 1998-2016Additional Information UOM1 - KIT ...$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 UOM1 - KIT FinishAlloy ManufacturerV-Twin ...$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. Hose has a 3/8" outer diameter Fits:Custom...$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 1982-1994XL 1984-UPFLT 1980-1998FLST...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 fitting. Oil line nuts are 9/16 x 24...$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 not require and adapter. Fits:FL 1970-1984FX...$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 2000-2017FXST 2000-2017Additional Information UOM1 - KIT ...$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 coolersAdditional Information UOM1 - SET ...$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 early stock generator bolts can be used. Fits:Custom...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 features a matt black finish.*NOTE: Shows small surface...$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 Information OEM No.16210-81 UOM1 - KIT ManufacturerV-Twin OriginImported...MSRP: $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 and 1986-2003 XL models. Chrome plated billet aluminum...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 separately. Fits:XL 2004-UPAdditional Information UOM1 -...$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 Information UOM1 - EA ManufacturerWyatt Gatling OriginImported 2025 Catalog Pages745MSRP: $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 valve train wear.This screen and magnet also are...$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 UOM1 - SET MeasurementsAdditional InformationTip to Tip: 11" ...$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 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional...$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 Information OEM No.3573-36 UOM1 - EA ...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 1942-1947Additional Information OEM No.63480-42 UOM1 - EA ...$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 1971-1984FXR 1982-1983FL 1966-1984Additional Information UOM1 -...$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 finish. Fits:FL 1948-1964Additional Information UOM1 - EA ...$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 installation. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL...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 stock 1963-1965 heads, or on STD heads for outside...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.3570-36B UOM1 - EA MeasurementsAdditional InformationFront Width: 4"Rear Width: 13-3/4"Pad Thickness: 1" ManufacturerV-Twin ...MSRP: $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 ManufacturerV-Twin OriginUSA 2025 Catalog Pages807$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 UOM1 - EA ManufacturerV-Twin OriginUSA 2025 Catalog Pages745$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 Information OEM No.63882-67 UOM1 - KIT ManufacturerWyatt Gatling OriginUSA 2025...MSRP: $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.63846-67 UOM1 - EA ManufacturerV-Twin OriginUSA 2025 Catalog Pages750MSRP: $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 long lasting durability and performance. Fits:XLCH...$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 UOM1 - KIT ManufacturerWyatt Gatling OriginImported 2025...$36.59
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.