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 - 11-1690 - 74 inch Knucklehead Rear Cylinder - Fits 1941-1947 Harley-Davidson FL
V-Twin Mfg
$249.48Rear cylinder fits Knucklehead 1941-1947 74" models. Features MC cast factory markings.Bore size finished with .025 clearance. Fits:FL 1941-1947Additional Information$249.48 -
V-Twin - 11-1967 - Cast Iron Standard Intake/Exhaust Knucklehead Valve Guide
Motorshop
$81.73V-Twin - 11-1967 - Cast Iron Standard Intake/Exhaust Knucklehead Valve Guide Description Knucklehead standard cast iron valve guide four piece set, fits intake and exhaust and does not accepts...$81.73 -
V-Twin - 11-1968 - Knucklehead Standard Intake Valve Guide
Eastern Motorcycle Parts
$27.18V-Twin - 11-1968 - Knucklehead Standard Intake Valve Guide Description Knucklehead standard intake valve guide features a cast iron finish. Fits: EL 1936-1940 FL 1941-1947 Additional...$27.18 -
V-Twin - 11-1969 - Knucklehead Standard Exhaust Valve Guide
Eastern Motorcycle Parts
$27.18V-Twin - 11-1969 - Knucklehead Standard Exhaust Valve Guide Description Knucklehead standard exhaust valve guide features a cast iron finish. Fits: FL 1940-1947 EL 1936-1940 Additional...$27.18 -
V-Twin - 12-0452 - Knucklehead Oil Pump Body - Fits 1936-1940 Harley-Davidson EL
Motorshop
$293.76V-Twin - 12-0452 - Knucklehead Oil Pump Body Description Knucklehead oil pump body has oil pressure switch threaded hole on extreme right side.Accepts scavenger gear, scavenger idler gear, feed...$293.76 -
V-Twin - 12-0456 - Knucklehead Oil Pump Body Silver
Motorshop
$285.12V-Twin - 12-0456 - Knucklehead Oil Pump Body SilverDescriptionKnucklehead oil pump body has oil pressure switch threaded hole on extreme right side and is painted silver.Accepts scavenger gear,...$285.12 -
V-Twin - 12-0477 - Knucklehead Oil Pump Assembly - Fits 1937-1940 Harley-Davidson EL
Motorshop
MSRP: $696.03$591.16V-Twin - 12-0477 - Knucklehead Oil Pump Assembly Description Knucklehead oil pump assembly is for 1936-1940 EL but accurate for late 1938-1940 EL. Assembly accepts replica oil pressure sending unit...MSRP: $696.03$591.16 -
V-Twin - 12-0479 - 1936 Oil Pump Assembly
Motorshop
$723.95V-Twin - 12-0479 - 1936 Oil Pump Assembly Description Oil pump assembly for 1936 only. Body accepts steel line for gauge mounted in dash. Fits: EL 1936-1936 Additional Information$723.95 -
Out 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$357.41 -
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 - 12-0876 - 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 - 12-0896 - Knucklehead Oil Pump Assembly with Rotator - Fits 1941-1947 Harley-Davidson FL, EL
V-Twin Mfg
MSRP: $555.25$537.42Knucklehead oil pump assembly with rotator.*NOTE: Includes governor rotor. Fits:FL 1941-1947EL 1941-1947Additional Information UOM1 - KIT<MSRP: $555.25$537.42 -
V-Twin - 12-0997 - Knucklehead Breather Stud Kit - Fits 1936-1947 EL / 1941-1947 FL Harley-Davidson
Motorshop
$62.04V-Twin - 12-0997 - Knucklehead Breather Stud Kit Description Knucklehead breather stud kit includes stud, with tube and end snoot. Fits: EL 1936-1947 FL 1941-1947 Additional Information$62.04 -
V-Twin - 13-1936 - Replica Spring Set Parkerized
V-Twin Mfg
$112.55V-Twin - 13-1936 - Replica Spring Set Parkerized Description Replica Fork Spring Set contains 4 pieces and is parkerized. Set includes the upper and lower outer springs.The lower large spring has...$112.55 -
V-Twin - 14-0451 - Knucklehead Rocker Box Seal Kit for 2 Heads - Fits 1936-1940 Harley-Davidson EL (rear only)
V-Twin Mfg
$149.88Knucklehead rocker box cover kit is for conversion and will fit 1938-47 late model valve spring cover set on 1936-38 models.Kit is for use on Knucklehead exhaust rocker shaft. Ten piece kit includes...$149.88 -
V-Twin - 14-0455 - Knucklehead Rocker Box Seal Kit for 1 Head - Fits 1936-1940 Harley-Davidson EL (rear only)
V-Twin Mfg
$94.99Knucklehead rocker box cover kit is for conversion and will fit 1938-47 late model valve spring cover set on 1936-38 models.Kit is for use on Knucklehead exhaust rocker shaft. Five piece kit includes...$94.99 -
V-Twin - 14-0786 - 1936 Cork Kicker Seal Set
V-Twin Mfg
$81.09V-Twin - 14-0786 - 1936 Cork Kicker Seal Set Description Cork kicker seal set for 1936 only.Sold as a set of 5. Fits: EL 1936-1936 Additional Information$81.09 -
V-Twin - 15-0007 - Overhead Valve Knucklehead Valve Guide Gasket .015 inch - Fits 1936-1940 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$28.99Overhead valve Knucklehead valve guide gasket is .015" thick.Sold as a pack of 10. Fits:EL 1936-1940FL 1941-1947Additional Information UOM$28.99 -
V-Twin - 15-0014 - Overhead Valve Knucklehead Valve Guide Gasket .010 inch - Fits 1936-1940 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$28.99Overhead Valve Knucklehead valve guide gasket is .010" thick.Sold as a pack of 10. Fits:EL 1936-1940FL 1941-1947Additional Information UOM$28.99 -
Out of stock
V-Twin - 15-0924 - Knucklehead Cylinder Head and Base Gasket Set
Gary Bang
$51.94V-Twin - 15-0924 - Knucklehead Cylinder Head and Base Gasket SetDescriptionKnucklehead gasket set features copper head gaskets and metal cylinder base gaskets with bead. Fits:EL 1936-1947FL...$51.94 -
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...$287.44 -
V-Twin - 21-0769 - Knucklehead Motor Shifter Knob
V-Twin Mfg
$46.20V-Twin - 21-0769 - Knucklehead Motor Shifter KnobDescriptionKnob has a knucklehead shaped and has an antique silver finish. Fits:Custom ApplicationAdditional Information$46.20 -
V-Twin - 21-1936 - Small Shifter Lever Ball
V-Twin Mfg
$19.44V-Twin - 21-1936 - Small Shifter Lever Ball Description Black small shifter knob with a brass insert 3/8" - 24 internal threads. Fits: EL 1936-1940 G 1937-1973 FL 1941-1951 WL 1929-1953 UL...$19.44 -
V-Twin - 22-0171 - 1936-1937 Style Mechanical Brake Kit
V-Twin Mfg
$512.28V-Twin - 22-0171 - 1936-1937 Style Mechanical Brake Kit Description 1936-1937 style mechanical brake kit for rigid frames features a nickel plated pedal and the remaining parts are parkerized...$512.28 -
Out 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...$51.94 -
V-Twin - 29-0181 - Knucklehead Exhaust Header Set Black - Fits 1936-1940 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$221.49Black Knucklehead exhaust header three piece set for use on mufflers with built in "Y" junction.Four piece header set. Fits: EL 1936-1940 FL 1941-1947 Additional Information <$221.49 -
V-Twin - 30-0884 - Replica Knucklehead Muffler Chrome
Wyatt Gatling
$271.65V-Twin - 30-0884 - Replica Knucklehead Muffler ChromeDescriptionReplica chrome muffler features a spot seam welded body construction with formed ends.The muffler body has a diameter of 3-1/4" with a...$271.65 -
Out 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$82.40 -
V-Twin - 31-1281 - Knucklehead Oil Filter Bracket - Fits 1936-1947 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$33.53V-Twin - 31-1281 - Knucklehead Oil Filter Bracket Description Knucklehead oil filter bracket attaches to the rear rocker box rear bolt for mounting canister oil filter unit. Fits: EL...$33.53 -
V-Twin - 31-9998 - Raw Knucklehead Beehive Tail Lamp License Plate Bracket - Fits 1939-1948 Harley-Davidson UL, 1939-1940 EL, 1939-1948 G, 1941-1948 FL
V-Twin Mfg
MSRP: $39.87$39.07New Old Stock" Knucklehead license plate bracket features a raw finish and is for the beehive tail lamp.This is the early replica of the 1980's for replacement. Fits:UL 1939-1948EL 1939-1940G...MSRP: $39.87$39.07 -
V-Twin - 32-0060 - 6 Volt Knucklehead Distributor Assembly
Motorshop
$416.82V-Twin - 32-0060 - 6 Volt Knucklehead Distributor AssemblyDescriptionKnucklehead complete 6 volt distributor is fully assembled with a zicad plated finish base with shaft and gear installed. Includes...$416.82 -
V-Twin - 32-1257 - 1936 Distributor Cap
V-Twin Mfg
$29.11V-Twin - 32-1257 - 1936 Distributor Cap Description 1936 distributor cap includes a chrome clip.*NOTE: Extra bump in the center! Fits: EL 1936-1936 Additional Information$29.11 -
Out of stock
V-Twin - 32-1386 - 1936 EL Distributor Top Nickel Plated
Volt Tech
$272.59V-Twin - 32-1386 - 1936 EL Distributor Top Nickel Plated Description Nickel plated top features wire cutout special for 1936 only.*NOTE: Points, condenser and hardware not included, must order...$272.59 -
V-Twin - 32-1394 - 1936 EL Distributor Shaft and Housing Nickel Plated
Volt Tech
$288.24V-Twin - 32-1394 - 1936 EL Distributor Shaft and Housing Nickel Plated Description Nickel plated shaft body with gear and cam shaft installed with pin.Distributor shaft housing features shaft with...$288.24 -
V-Twin - 32-1435 - 1936 Complete Knucklehead Distributor
Motorshop
$395.85V-Twin - 32-1435 - 1936 Complete Knucklehead DistributorDescriptionComplete Knucklehead distributor features a nickel plated top cap and base and a chrome bail. This is exact for 1936 61" EL...$395.85 -
V-Twin - 32-1494 - 1936 Distributor Top Nickel Plated
V-Twin Mfg
MSRP: $81.92$81.09V-Twin - 32-1494 - 1936 Distributor Top Nickel Plated Description 1936 distributor top has a notch for the wire exit and is nickel plated.*NOTE: Base is drilled and tapped for the early style...MSRP: $81.92$81.09 -
Out of stock
V-Twin - 32-1608 - Knucklehead 12 Volt Alternator Kit
Volt Tech
$654.25V-Twin - 32-1608 - Knucklehead 12 Volt Alternator KitDescriptionKnucklehead 12 volt alternator kit includes 12 volt 32E type alternator, solid state regulator, gear kit for Overhead Valve models and...$654.25 -
V-Twin - 32-1650 - 1937-1947 Knucklehead Distributor Top Nickel Plated
V-Twin Mfg
MSRP: $81.92$81.09V-Twin - 32-1650 - 1937-1947 Knucklehead Distributor Top Nickel PlatedDescription1936 distributor top is nickel plated. Top includes stud.Insulators are installed. Fits:FL 1937-1947EL...MSRP: $81.92$81.09 -
V-Twin - 32-1722 - 1936 EL Distributor Top Assembly Nickel Plated
V-Twin Mfg
$420.95V-Twin - 32-1722 - 1936 EL Distributor Top Assembly Nickel Plated Description 1936 EL distributor top assembly features a nickel plated finish and is assembled with the points, condenser, wire and...$420.95 -
V-Twin - 32-1760 - 1937-1947 Knucklehead Distributor Assembly
Volt Tech
MSRP: $452.39$314.51V-Twin - 32-1760 - 1937-1947 Knucklehead Distributor AssemblyDescriptionDistributor kit includes a nickel plated distributor top and back with gear and 1937-1947 Knucklehead distributor top and a...MSRP: $452.39$314.51
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.