Knucklehead Parts
Shop the best parts for your Harley-Davidson Knucklehead motorcycle at Deadbeat Customs. The collection includes engine components, oil system parts, rocker boxes, exhaust components, ignition parts, fuel system components and restoration hardware for 1936-1947 Knucklehead models. Designed for dependable performance and authentic restorations, these parts complement Harley engine parts and vintage motorcycle restoration parts.
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V-Twin - 32-1893 - Replica Knucklehead Points Set - Fits 1936-1947 Harley-Davidson W, EL, 1930-1935 VL, 1941-1947 FL
V-Twin Mfg
MSRP: $44.67$43.78Replica Knucklehead set of electrical contacts that switch the coil on and off at the proper time.The mechanical action of the distributor shaft lobes pushes the points open and closed. For use with...MSRP: $44.67$43.78 -
V-Twin - 3282-4 - Knucklehead Rocker Cover Gasket Set
Colony Machine
MSRP: $15.72$14.14V-Twin - 3282-4 - Knucklehead Rocker Cover Gasket SetDescriptionKnucklehead rocker cover gasket set includes 4 gaskets. Fits:EL 1936-1940FL 1941-1947Additional InformationMSRP: $15.72$14.14 -
V-Twin - 3307-4 - Knucklehead Intake and Exhaust Rocker Arm Cover Return Oil
Colony Machine
$32.89V-Twin - 3307-4 - Knucklehead Intake and Exhaust Rocker Arm Cover Return OilDescriptionSet of 4 nuts used on 1936-1947 Knucklehead rocker cover return lines. Fits:EL 1936-1940FL 1941-1947Additional...$32.89 -
V-Twin - 34-0282 - 1936 Dome Linkert Air Cleaner
Wyatt Gatling
$310.05V-Twin - 34-0282 - 1936 Dome Linkert Air Cleaner Description 1936 dome linkert air cleaner includes all parts for the com plete assembly.Air cleaner features a J-slot design with 4 pins on the...$310.05 -
V-Twin - 34-1530 - 1936 Style Air Cleaner Cover
Wyatt Gatling
$149.88V-Twin - 34-1530 - 1936 Style Air Cleaner Cover Description Air cleaner cover is 6" and is the exact dome shape as an original from 1936.*NOTE: Center portion is like the "1936" profile. Cover is...$149.88 -
Out of stock
V-Twin - 34-1936 - 1936 EL Air Cleaner Assembly Chrome
V-Twin Mfg
$296.21V-Twin - 34-1936 - 1936 EL Air Cleaner Assembly Chrome Description Chrome air cleaner assembly is reproduced in the exact shape and configuration used on 1936 EL Knucklehead models.Kit includes...$296.21 -
Out of stock
V-Twin - 34-1937 - 1936 EL Air Cleaner Assembly Patina Chrome
V-Twin Mfg
$296.21V-Twin - 34-1937 - 1936 EL Air Cleaner Assembly Patina Chrome Description Patina chrome air cleaner assembly is reproduced in the exact shape and configuration used on 1936 EL Knucklehead models...$296.21 -
Out of stock
V-Twin - 34-1938 - 1936 EL Air Cleaner Assembly with Raw Cover
V-Twin Mfg
$296.21V-Twin - 34-1938 - 1936 EL Air Cleaner Assembly with Raw Cover Description Raw air cleaner assembly is reproduced in the exact shape configuration used on 1936 EL Knucklehead models.Kit includes a...$296.21 -
V-Twin - 3426-1 - Knucklehead Choke Lever Cadmium Plated
Colony Machine
MSRP: $54.98$53.44V-Twin - 3426-1 - Knucklehead Choke Lever Cadmium PlatedDescriptionKnucklehead choke lever is cadmium plated. Fits:FL 1936-1937EL 1936-1937Additional InformationMSRP: $54.98$53.44 -
V-Twin - 3464-1 - Knucklehead Choke Lever Parkerized
Colony Machine
MSRP: $54.98$53.44V-Twin - 3464-1 - Knucklehead Choke Lever ParkerizedDescriptionKnucklehead choke lever features a parkerized finish. Fits:FL 1936-1937EL 1936-1937Additional InformationMSRP: $54.98$53.44 -
V-Twin - 35-0625 - 1936-1939 Petcock Set
V-Twin Mfg
MSRP: $164.69$155.62V-Twin - 35-0625 - 1936-1939 Petcock Set Description Petcock set features a zicad finish. The right side is 1/8"-27 NPT and the left side is 3/8"-18 NPT.*NOTE: Diassemble petcock, remove cotter...MSRP: $164.69$155.62 -
Out of stock
V-Twin - 35-0628 - 1937-1939 Petcock Set
V-Twin Mfg
$171.18V-Twin - 35-0628 - 1937-1939 Petcock Set Description Petcock set is machined from brass and features a zicad finish. The right is 1/8"-27 NPT and the left is 3/8"-18 NPT.*NOTE: Diassemble petcock,...$171.18 -
V-Twin - 37-0905 - 1936 Oval Head Screw Set
V-Twin Mfg
$54.47V-Twin - 37-0905 - 1936 Oval Head Screw Set Description 1936 oval head screw set for Knucklehead rocker shaft end caps.Sold as a set of 4. Fits: EL 1936-1936 Additional Information$54.47 -
V-Twin - 38-0519 - Knucklehead Fat Bob Gas Tank Kit 3.5 Gallon - Fits 1941-1946 Harley-Davidson FL, 1936-1946 EL
V-Twin Mfg
$607.65Knucklehead Fat Bob gas tank kit is a two piece gas tank set with a fuel capacity of 3.5 gallons. Includes a chrome emblem set with black and red paint, emblem mounts, gas cap set, shifter gate and...$607.65 -
V-Twin - 38-0526 - 1940-1946 Emblem Mount Strip Set
V-Twin Mfg
MSRP: $44.67$43.78V-Twin - 38-0526 - 1940-1946 Emblem Mount Strip Set Description Emblem mount strip set features a 4-40 thread and is constructed of raw steel.Sold as a set of 2. *NOTE: Must order emblems and...MSRP: $44.67$43.78 -
V-Twin - 38-1937 - UL 3.5 Gallon Gas Tank Set Raw
Wyatt Gatling
$724.04V-Twin - 38-1937 - UL 3.5 Gallon Gas Tank Set Raw Description 2025 New Production raw steel gas tank set is for use with UL models and accepts NPT petcocks. Gas tanks are 3-1/2 gallons for the...$724.04 -
V-Twin - 38-1946 - Knucklehead Bob Gas Tank Kit with 3.5 Gallon
V-Twin Mfg
$934.56V-Twin - 38-1946 - Knucklehead Bob Gas Tank Kit with 3.5 GallonDescriptionBobbed gas tank kit includes a two piece gas tank set with a 3.5 gallon fuel capacity. Includes painted emblems, a replica...$934.56 -
V-Twin - 39-0061 - 1937 Dash Tunnel Kit
Wyatt Gatling
$126.91V-Twin - 39-0061 - 1937 Dash Tunnel Kit Description 1937 dash tunnel kit includes 2 tunnels, held in place by a dash panel lens rim set, and red and clear lenses.Green lens not included. *NOTE:...$126.91 -
V-Twin - 39-0616 - 1937 Dash Panel Kit
V-Twin Mfg
$248.40V-Twin - 39-0616 - 1937 Dash Panel Kit Description 1937 dash panel kit includes a chrome dash, lens frames, lens tunnels and a set of lenses. Fits: EL 1937-1937 Additional Information$248.40 -
V-Twin - 39-0834 - 1936-1937 Knucklehead Dash Base Assembly
V-Twin Mfg
$453.66V-Twin - 39-0834 - 1936-1937 Knucklehead Dash Base AssemblyDescription1936-1937 Knucklehead dash base assembly is constructed of raw steel. Kit includes dash base with replica switch, wired to a...$453.66 -
V-Twin - 40-0112 - Knucklehead Top Oil Line Cadmium - Fits 1942-1947 Harley-Davidson FL (Knucklehead)
V-Twin Mfg
MSRP: $140.07$138.50Knuckleheads satin chrome oil line with gland type nuts for installation. Line utilizes the 9/16" hex nut bolt. Fits:FL 1942-1947 KnuckleheadAdditional InformationMSRP: $140.07$138.50 -
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 - 40-0240 - 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 - 40-0247 - 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 - 40-0636 - Replica 1936 Knucklehead Black Oil Tank
Wyatt Gatling
$402.64V-Twin - 40-0636 - Replica 1936 Knucklehead Black Oil TankDescriptionReplica 1936 Knucklehead wrap around oil tank, is the original type with female fittings for banjo bolts. Features a non embossed...$402.64 -
Out of stock
V-Twin - 40-1418 - Knucklehead/Shovelhead Top Y Oil Line Braided - Fits 1973-1984 Harley-Davidson FX, 1966-1984 FL
V-Twin Mfg
$116.34Braided top Y oil line is for use with front adn rear "Knucklehead" shape rocker boxes for Shovelhead models. Fits:FX 1973-1984FL 1966-1984Additional Information$116.34 -
V-Twin - 40-2102 - Knucklehead Banjo Oil Line Kit Zicad Plated - Fits 1936-1947 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$199.35Banjo oil line kit features a zicad finish. Kit includes banjo y-line, with oiler bolts, brass washers and fittings.Kit gives motor the early look with conversion of banjo line style. *NOTE:...$199.35 -
V-Twin - 42-0854 - Knucklehead Rocker Arm Cover Set Parkerized - Fits 1941-1947 Harley-Davidson FL, 1938-1940 EL
V-Twin Mfg
$98.88Parkerized Knucklehead rocker arm cover set includes two intake and two exhaust covers only, without screws.Order strip set with gasket and screws separately. Fits:FL 1941-1947EL 1938-1940Additional...$98.88 -
V-Twin - 42-1936 - Replica Black Derby Cover
V-Twin Mfg
$54.47V-Twin - 42-1936 - Replica Black Derby Cover Description Replica derby cover features a black finish.*NOTE: Bump features a 2-1/4" diameter and is 3/32" tall. Fits: UL 1937-1948 EL...$54.47 -
V-Twin - 47-1939 - Natural Leather Early Knucklehead Solo Seat Pan
Corbin Gentry
MSRP: $231.33$218.60V-Twin - 47-1939 - Natural Leather Early Knucklehead Solo Seat PanDescriptionEarly solo seat pan without air holes features natural leather, with metal pan and nickel plated rivets.Seat pan is steel...MSRP: $231.33$218.60 -
V-Twin - 48-0308 - Knucklehead 1940-1947 Repair Manual
V-Twin Mfg
MSRP: $39.82$39.02V-Twin - 48-0308 - Knucklehead 1940-1947 Repair ManualDescriptionFactory service manual contains all information needed on the 1940-1947 Knucklehead, 74" & 80" Flathead. **NOTE Product May Not Be...MSRP: $39.82$39.02 -
V-Twin - 48-0309 - UL-SV-Knucklehead Spare Parts Book - Fits 1941-1954 Harley-Davidson FL, 1941-1948 UL, 1941-1954 WL
V-Twin Mfg
MSRP: $39.95$39.151941-1954 Overhead and Side Valve spare parts books for EL, FL, UL, W and G models. **NOTE Product May Not Be Returned. Fits:FL 1941-1954UL 1941-1948WL 1941-1954Additional InformationMSRP: $39.95$39.15 -
V-Twin - 48-0330 - OE Harley Davidson Factory Parts Manual for 1941-1984 FL
OE
$245.17V-Twin - 48-0330 - OE Harley Davidson Factory Parts Manual for 1941-1984 FL Description OE 316 page factory spare parts book provides OEM numbers to help you identify the exact parts required and...$245.17 -
V-Twin - 48-0470 - Knucklehead Engine Plaque
V-Twin Mfg
$26.05V-Twin - 48-0470 - Knucklehead Engine PlaqueDescriptionKnucklehead engine plaque measures 18" X 24 Fits:AllAdditional Information$26.05 -
Out of stock
V-Twin - 48-0479 - Spare Parts Book Set for 1936-40
V-Twin Mfg
MSRP: $67.13$66.46V-Twin - 48-0479 - Spare Parts Book Set for 1936-40 Description Spare parts book for 1936-40 UL,EL and W, 1930-35 R and all 1930-40 big twins. This set provides OEM numbers to help identify exact...MSRP: $67.13$66.46 -
V-Twin - 48-0834 - 1930-1936 VL and 1936-1941 Overhead Valve Parts Book
V-Twin Mfg
$33.53V-Twin - 48-0834 - 1930-1936 VL and 1936-1941 Overhead Valve Parts Book Description Spare parts book for 1936-41 is a perfectly bound reprint of the original factory parts book with 152 pages.First...$33.53 -
Out of stock
V-Twin - 48-0879 - 61 inch Knucklehead Engine Belt Buckle
V-Twin Mfg
$24.18V-Twin - 48-0879 - 61 inch Knucklehead Engine Belt BuckleDescriptionBelt buckle with a raised 61" Knucklehead engine with lettering and years.Reproduction of the original belt buckles of the 1980's...$24.18 -
V-Twin - 48-0885 - Knucklehead Book Set - Fits 1937-1948 Harley-Davidson UL, 1940-1956 FL, 1936-1947 EL
V-Twin Mfg
$138.96Knucklehead book set is packed in a 5 gallon decorative can.This series features the following books: Knucklehead Service and Parts Manual, Factory Service Bulletin for 1941-1956 Big Twins and...$138.96 -
V-Twin - 48-0928 - Knucklehead Parts Manual - Fits 1936-1947 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$27.93Knucklehead service and parts manual is 492 pages.Full parts, service and dope manual includes a detailed restoration section that is presented by Dan Henke of Cairo, New York. Dan illustrates all...$27.93 -
V-Twin - 48-0931 - 1936 Knucklehead Motorcycle Model
V-Twin Mfg
$53.33V-Twin - 48-0931 - 1936 Knucklehead Motorcycle ModelDescription1936 Knucklehead 61" complete motorcycle model with authentic details! Features solid pewter construction mounted on a cast pewter...$53.33
Knucklehead Parts Restoration Systems – Classic Engine Components & Replacement Parts
Knucklehead Parts offers quality replacement and restoration components for classic Harley-Davidson Knucklehead motorcycles. The lineup includes engine cases, cylinders, cylinder heads, rocker boxes, cam chest components, valve train parts, oil pumps, oil lines, distributor assemblies and engine hardware built to support reliable rebuilds and period-correct restorations. These products work perfectly with Harley engine parts, motorcycle gaskets, ignition components and motorcycle oil system parts.
The product range also includes exhaust systems, air cleaners, carburetor components, fuel tanks, frame parts, manuals, restoration hardware and vintage accessories for 1936-1947 Knucklehead models. Whether you're replacing worn components or completing a full restoration, Knucklehead Parts provides dependable solutions that pair with motorcycle exhaust systems, motorcycle carburetors, motorcycle fuel system parts, motorcycle engine rebuild kits and vintage Harley parts.
Shop Knucklehead Parts at Deadbeat Customs for premium parts that help keep classic Harley-Davidson motorcycles running and looking their best. Complete your project with Harley replacement parts, classic motorcycle parts, motorcycle engine components, motorcycle restoration hardware and vintage Harley accessories.