Knucklehead Parts
217 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 - Knucklehead Rocker Box Cap with Fitting fits '36-'37 EL Model (OEM #97-36)
V-Twin Mfg
$54.47V-Twin - Knucklehead Rocker Box Cap with Fitting fits '36-'37 EL Model (OEM #97-36) Natural brass cap includes a screw-in fitting for front rocker boxes on 1936 61" Knuckleheads only. Machined of...$54.47 -
V-Twin - Knucklehead Rocker Box Fitting fits '36-'37 EL Model (OEM #94-36)
V-Twin Mfg
$47.78V-Twin - Knucklehead Rocker Box Fitting fits '36-'37 EL Model (OEM #94-36) Knucklehead rocker box fitting features a brass finish. Machined of brass should be cadmium plated by customer for...$47.78 -
V-Twin - Knucklehead Rocker Box Retaining Ring fits '36-'40 EL Model (OEM #124-36)
V-Twin Mfg
$54.47V-Twin - Knucklehead Rocker Box Retaining Ring fits '36-'40 EL Model (OEM #124-36) Knucklehead rocker box retaining rings features a parkerized finish. Fitment: EL 1936-1940$54.47 -
V-Twin - Chrome Knucklehead Rocker Tin Set fits '36-'47 EL, '41-'47 FL Model
V-Twin Mfg
$94.88V-Twin - Chrome Knucklehead Rocker Tin Set fits '36-'47 EL, '41-'47 FL Model New 2022 Production. Knucklehead rocker tin set is manufactured with the correct thickness and form for fit and features a...$94.88 -
V-Twin - Knucklehead Nickel Plated Rocker Box Cap with Fitting fits '36-'37 EL Model
V-Twin Mfg
$55.24V-Twin - Knucklehead Nickel Plated Rocker Box Cap with Fitting fits '36-'37 EL Model Nickel plated cap includes a screw-in fitting for front rocker boxes on 1936 61" Knuckleheads only. Note: Set...$55.24 -
V-Twin - Chrome Knucklehead Exhaust Header fits '36-'40 EL, '41-'47 FL Models
V-Twin Mfg
$226.13V-Twin - Chrome Knucklehead Exhaust Header fits '36-'40 EL, '41-'47 FL Models Chrome Knucklehead exhaust header three piece set for use on mufflers with built in "Y" pipe. Four piece header set...$226.13 -
V-Twin - Replica 1936 Knucklehead Raw Oil Tank fits '38-'47 UL, '36-'40 EL, '41-'57 FL Models
V-Twin Mfg
$402.64V-Twin - Replica 1936 Knucklehead Raw Oil Tank fits '38-'47 UL, '36-'40 EL, '41-'57 FL Models Replica 1936 Knucklehead wrap around oil tank, is the original type with female fittings for banjo bolts...$402.64 -
Colony - 9670-10 Wheel Hub Outer Screw Kit fits '36-'47 Knucklehead Model (OEM #2756, 7230) - Parkerized
Colony Machine
$5.95Colony - 9670-10 Wheel Hub Outer Screw Kit fits '36-'47 Knucklehead Model (OEM #2756, 7230) - Parkerized Features: Round head screws and washers Made in the U.S.A.$5.95
Colony - Motor Case Stud Kit fits '40-'47 Knucklehead Model (OEM #24806-36, 24809-30)
Colony Machine
$57.95Colony - Motor Case Kit fits '40-'47 Knucklehead Model (OEM #24806-36, 24809-30) Features: Contain all necessary hardware to bolt together stock motor cases Made in the U.S.A.$57.95Out of stock
V-Twin - 16-0843 - Rider Early Tool Kit for 1936-1957
Motorshop
$287.44V-Twin - 16-0843 - Rider Early Tool Kit for 1936-1957 Description Rider early tool kit for 1936-1957 is supplied in a tool roll. The entire kit fits individually in a kidney tool box.Tool kit...$287.44Out of stock
V-Twin - 49-1350 - Knucklehead Bare Cylinder Head Set
Motortechnic
$2,254.62V-Twin - 49-1350 - Knucklehead Bare Cylinder Head SetDescriptionKnuckle bare cylinder head set is painted black with large port heads. Fits:EL 1940-1947Additional Information$2,254.62Out of stock
V-Twin - 49-1336 - Knucklehead Rocker Box Seal Kit - Fits 1936-1937 Harley-Davidson EL
V-Twin Mfg
$94.99Knucklehead rocker box seal kit includes 4 outer washer, 4 cork seals and 4 clips.This is a 12 piece kit. Fits:EL 1936-1937Additional Information UOM$94.99Out of stock
V-Twin - 49-0036 - 1936 EL Clutch Drum Kit
V-Twin Mfg
$1,259.18V-Twin - 49-0036 - 1936 EL Clutch Drum Kit Description Kit includes splined clutch hub center, clutch drum shell, drive disc with studs, spring collar, pushrod thrust plate, bearing inner race and...$1,259.18Out of stock
V-Twin - 49-0034 - Knucklehead Spring Fork Bearing Assembly
V-Twin Mfg
$207.63V-Twin - 49-0034 - Knucklehead Spring Fork Bearing AssemblyDescriptionKnucklehead Spring Fork bearing assembly includes bearing guard, cadmium plated neck cup set, cadmium stem nut, nickel plated...$207.63Out of stock
V-Twin - 48-1895 - Panhead Knucklehead Guide Set - Fits 1936-1947 Harley-Davidson EL, 1948-1965 FL
V-Twin Mfg
$30.98Panhead knucklehead guide set features parts, accessories, notes, OEM numbers and V-Twin products for 1936-47 EL and 1948-1965 FL models.**NOTE: Product May Not Be Returned. Fits:EL 1936-1947FL...$30.98Out of stock
V-Twin - 48-1530 - Knucklehead Gift Set
V-Twin Mfg
$103.91V-Twin - 48-1530 - Knucklehead Gift SetDescriptionKnucklehead gift set includes motor model, keychain, lapel pin, belt buckle in a decorated metal gift box with lid. Fits:AllAdditional Information$103.91Out of stock
V-Twin - 48-1375 - Knucklehead Motorcycle Gift Set
V-Twin Mfg
$97.59V-Twin - 48-1375 - Knucklehead Motorcycle Gift SetDescriptionKnucklehead gift set includes a motor model, keychain, lapel pin, belt buckles and patches that can be ironed or sewn on.Sold as a 6 piece...$97.59Out 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...$24.18Out 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$66.46Out 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$116.34Out of stock
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...$934.56Out 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,...$171.18Out of stock
V-Twin - 30-1291 - Knucklehead Rear Upsweep Pipe Chrome - Fits 1936-1947 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
MSRP: $83.23$82.40Knucklehead rear upsweep pipe features a chrome finish. Fits:EL 1936-1947FL 1941-1947Additional Information UOM1 - EAMSRP: $83.23$82.40Out of stock
V-Twin - 28-2020 - 1936-1938 Dash Hardware Kit
V-Twin Mfg
$51.94V-Twin - 28-2020 - 1936-1938 Dash Hardware Kit Description 1936-1938 dash hardware kit.*NOTE: Clear lens is 1936-1937 only of all pressure and amp gauges. 1938 only is red (4522-38A) and green...$51.94Out 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<$591.16Out 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...$181.58Out 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...$618.71Out of stock V-Twin - 12-0484 - 1936 Oil Pump Body
V-Twin Mfg
$357.41V-Twin - 12-0484 - 1936 Oil Pump Body Description 1936 oil pump body is machined to accept oil line for gauge on dash. Fits: EL 1936-1936 Additional Information$357.41Out of stock V-Twin - 11-1689 - 74 inch Knucklehead Front Cylinder - Fits 1941-1947 Harley-Davidson FL
V-Twin Mfg
$249.48Front cylinder fits Knucklehead 1941-1947 74" models. Features MC cast factory markings.Bore size finished with .025 clearance. Fits:FL 1941-1947Additional Information$249.48Out of stock V-Twin - 11-1676 - Evolution Knucklehead Rocker Box Cover - Fits 1985-1999 Harley-Davidson FLST, 1985-1998 FLT, 1985-1999 FXST
V-Twin Mfg
$249.48Evolution Knucklehead rocker box cover fetures a raw finish and is one piece only for use on Knucklehead rocker box kit. Fits:FLST 1985-1999FLT 1985-1998FXST 1985-1999Additional Information$249.48Out of stock V-Twin - 11-1675 - Knucklehead Rocker Box Cover Only - Fits 1985-1999 Harley-Davidson FLST, 1985-1998 FLT, 1985-1999 FXST
V-Twin Mfg
$232.77One piece rocker box cover features a raw finish and is for use on Knucklehead rocker box kits. Fits:FLST 1985-1999FLT 1985-1998FXST 1985-1999Additional Information$232.77Out of stock V-Twin - 11-1547 - 1936 Knucklehead Rocker Arm Set
V-Twin Mfg
$776.16V-Twin - 11-1547 - 1936 Knucklehead Rocker Arm SetDescription1936 Knucklehead rocker arm set is nickel plated and is for use with exposed rocker arms on 1936-1937 EL models only.Buttons are...$776.16Out of stock
V-Twin - 11-1449 - Evolution Knucklehead Rocker Box Cover Kit - Fits 1985-1999 Harley-Davidson FLST, 1985-1998 FLT, 1985-1999 FXST
V-Twin Mfg
MSRP: $723.95$400.31Knucklehead Rocker box kit features a natural cast finish for Evolution models and offers additional cooling. Rocker box cover kit includes two covers, two knucklehead and four chrome hex knucklehead...MSRP: $723.95$400.31Out of stock V-Twin - 11-1297 - Knucklehead Cylinder Head Set
Motorshop
$3,853.31V-Twin - 11-1297 - Knucklehead Cylinder Head SetDescriptionKnucklehead cylinder head set features original cast iron construction with a black finish. Head set includes valves, springs, collars and...$3,853.31Out of stock
V-Twin - 11-1157 - Knucklehead Rocker Arm Set - Fits 1940-1947 Harley-Davidson FL, 1938-1947 EL
V-Twin Mfg
$639.57Machined Knucklehead rocker arm set.For use on the 1936-1937 valve spring cup and cap style covers, where the rocker arms will be exposed. The outer diameter of the rocker arm is turned down to .80"...$639.57Out of stock V-Twin - 11-1142 - 1936 Rocker Inner Nut Set
V-Twin Mfg
$97.74V-Twin - 11-1142 - 1936 Rocker Inner Nut Set Description 1936 rocker inner nut set.Sold as a 4 piece set. Fits: EL 1936-1936 Additional Information$97.74Out of stock V-Twin - 11-0897 - 1936 EL Pushrod Cover Kit
Motorshop
$156.15V-Twin - 11-0897 - 1936 EL Pushrod Cover Kit Description Pushrod cover kit includes upper and lower pushrod covers. Upper pushrod clips are stainless steel and do not have lance for removal. Lower...$156.15Out of stock
V-Twin - 11-0598 - Knucklehead Tappet Block Kit
Motorshop
$704.25V-Twin - 11-0598 - Knucklehead Tappet Block KitDescriptionRaw Knucklehead tappet block kit includes 4 ground lifters with adjusters and zinc plated tappet blocks.Kit includes rocker arm set, which...$704.25Out of stock V-Twin - 11-0023 - 61 inch Rear MC Cast Knucklehead Cylinder
Motorshop
$267.20V-Twin - 11-0023 - 61 inch Rear MC Cast Knucklehead CylinderDescriptionRear cylinder fits Knucklehead 1936-1947 61" models. Cylinders are for stock bore, stock stroke and compression, featuring 5...$267.20Out of stock V-Twin - 11-0022 - 61 inch Front MC Cast Knucklehead Cylinder
Motorshop
$267.20V-Twin - 11-0022 - 61 inch Front MC Cast Knucklehead CylinderDescriptionFront cylinder fits Knucklehead 1936-1947 61" models. Cylinders are for stock bore, stock stroke and compression, featuring 5...$267.20
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.