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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Out of stock
V-Twin Knucklehead Lapel Pin - Silver Patina
V-Twin Mfg
$6.54V-Twin Knucklehead lapel pin with a stick pin clasp, silver patina.$6.54 -
V-Twin - 14-0452 - Knucklehead Valve Guide Seal Set - Fits 1936-1940 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$21.63Valve guide seals for stock guides for Knucklheads.*NOTE: Sold as a set of 4. Fits:EL 1936-1940FL 1941-1947Additional Information UOM1 - S$21.63 -
V-Twin - 38-6679 - Knucklehead Tank Stainless Steel Trim Set 1940-46
V-Twin Mfg
$94.05V-Twin - 38-6679 - Knucklehead Tank Stainless Steel Trim Set 1940-46DescriptionGas tank emblem trim set is stainless steel and is for 1940-1946 knucklehead models.Trim snaps into place as original,...$94.05 -
V-Twin - 48-1516 - Large Knucklehead Motor Model
V-Twin Mfg
$90.63V-Twin - 48-1516 - Large Knucklehead Motor ModelDescriptionLarge 1:6 scale knucklehead motor model with authenthic details, including exhaust header set! This pewter model is fully assembled on a...$90.63 -
Colony - Acorn Stem Nut with Shoulder fits '36-'77 Big Twin, '48-'65 Panhead, '36-'47 Knucklehead Models
Colony Machine
$21.95Colony - Acorn Stem Nut with Shoulder fits '36-'77 Big Twin, '48-'65 Panhead, '36-'47 Knucklehead Models Features: Chrome-plated replacement stem nut for a variety of stock and custom front ends...$21.95 -
V-Twin - 12-0856 - Knucklehead Oil Pump Governor Rotor
Motorshop
MSRP: $81.92$81.09V-Twin - 12-0856 - Knucklehead Oil Pump Governor RotorDescriptionOil pump centrifugal valve is precision ground for fit and features an oiled finish. Designed to be driven by the scavenger oil pump...MSRP: $81.92$81.09 -
Out of stock
V-Twin - 30-0803 - Black Knucklehead Exhaust Header Kit - Fits 1941-1947 Harley-Davidson FL, EL
V-Twin Mfg
$295.39Knucklehead exhaust kit includes 4 pipes, a clamp set and Colony hardware for installation purposes. The clamps and bolts feature a parkerized finish and the pipes are black heat paint.Order mufflers...$295.39 -
V-Twin - 30-0880 - Replica Knucklehead Muffler Black
Wyatt Gatling
$291.90V-Twin - 30-0880 - Replica Knucklehead Muffler BlackDescriptionReplica black muffler features a spot seam welded body construction with formed ends.The muffler body has a diameter of 3-1/4" with a...$291.90 -
V-Twin - 35-0445 - Brass Knucklehead Carburetor Throttle Lever - Fits 1940-1947 Harley-Davidson FL
V-Twin Mfg
$55.11Knucklehead throttle lever material is cast brass. Clamping and idle adjustment screws are included.Lever features one hole for cable block location. Fits:FL 1940-1947Additional Information$55.11 -
V-Twin - 48-0323 - 1936-1947 Knucklehead and 1937-1948 UL Parts Book
V-Twin Mfg
$45.05V-Twin - 48-0323 - 1936-1947 Knucklehead and 1937-1948 UL Parts BookDescriptionSpare parts book for 1936-1947 Knucklehead and Flathead provides OEM numbers to help identify exact parts required for...$45.05 -
V-Twin - 48-0489 - V-Twin Knucklehead Service and Parts Manual - Fits 1936-1940 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$33.54Knucklehead service and parts manual includes 592 pages of V-Twin catalog, service dope and parts reference.A very complete Knucklehead information source! **NOTE Product may not be returned. ISBN:...$33.54 -
V-Twin - 48-7783 - 1936 Knucklehead Belt Buckle
V-Twin Mfg
MSRP: $23.86$22.31V-Twin - 48-7783 - 1936 Knucklehead Belt BuckleDescription1936 Knucklehead belt buckle.Reproduction of the original belt buckles of the 1980's and 1990's! Fits:AllAdditional Information<MSRP: $23.86$22.31 -
Out of stock
Colony - 8201-10 Wheel Hub Outer Screw Kit fits '36-'47 Knucklehead Model (OEM #2756, 7230) - Cadmium
Colony Machine
$5.95Colony - 8201-10 Wheel Hub Outer Screw Kit fits '36-'47 Knucklehead Model (OEM #2756, 7230) - Cadmium Features: Round head screws and washers Made in the U.S.A.$5.95 -
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.$5.95Out of stock
Colony - Dash Plate Mounting Kit fits '36-'47 Knucklehead Model (OEM #3550, 71065-36, 71589-39)
Colony Machine
$29.95Colony - Dash Plate Mounting Kit fits '36-'47 Knucklehead Model (OEM #3550, 71065-36, 71589-39) Features: Includes all necessary hardware to properly install dash plate and cover Made in the U.S...$29.95
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.$57.95
Corbin Gentry - Natural Leather Early Knucklehead Solo Seat Pan fits '41-'84 FL, '36-'40 EL Models
Corbin Gentry
MSRP: $231.33$218.60Corbin Gentry - Natural Leather Early Knucklehead Solo Seat Pan fits '41-'84 FL, '36-'40 EL Models Early solo seat pan without air holes features natural leather, with metal pan and nickel plated...MSRP: $231.33$218.60
V-Twin - 10-0065 - 8-Finned Knucklehead Cam Cover Die Cast
Motorshop
$293.36V-Twin - 10-0065 - 8-Finned Knucklehead Cam Cover Die CastDescription8-finned cam cover includes bushings and breather pipe with a stock die cast finish.Cam cover bushings must be checked and fitted...$293.36Out of stock
V-Twin - 10-0104 - Knucklehead Engine Case Set - Fits 1937-1947 EL / 1941-1947 FL Harley-Davidson
Motorshop
$1,674.43V-Twin - 10-0104 - Knucklehead Engine Case Set Description Motor case set features a blank number boss, there are no serial numbers on the case. Sold with Bill of Sale only.Oil from top end returns...$1,674.43
V-Twin - 10-0349 - Knucklehead Cam Chest Assembly Kit - Fits 1936 Harley-Davidson EL
V-Twin Mfg
$1,306.12V-Twin Knucklehead cam chest assembly kit includes internal Big Twin replacement type parts for years listed, including a Sifton cam, Replica cam cover and hardware. Fits:EL 1936-1936Additional...$1,306.12
V-Twin - 10-0498 - Knucklehead Cam Chest Assembly Kit - Fits 1936-1940 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$1,156.78V-Twin Knucklehead cam chest assembly kit includes internal Big Twin replacement type parts for years listed, including a Sifton cam, Replica cam cover and hardware. Fits:EL 1936-1940FL...$1,156.78
V-Twin - 10-0499 - Knucklehead Cam Chest Assembly Kit - Fits 1941-1947 Harley-Davidson FL, EL
V-Twin Mfg
MSRP: $1,028.23$854.10V-Twin Knucklehead cam chest assembly kit includes internal Big Twin replacement type parts for years listed, including a Sifton cam, replica finned cam cover for 61 and 74 engines, and hardware...MSRP: $1,028.23$854.10Out of stock
V-Twin - 10-0578 - Lightning Cam Chest Assembly Kit Knucklehead
Motorshop
$770.77V-Twin - 10-0578 - Lightning Cam Chest Assembly Kit KnuckleheadDescriptionV-Twin Motor Shop lightning cam chest assembly kit includes internal Big Twin replacement type parts for years listed,...$770.77
V-Twin - 10-0629 - Lightning Cam Chest Assembly Kit Knucklehead
Motorshop
$737.63V-Twin - 10-0629 - Lightning Cam Chest Assembly Kit KnuckleheadDescriptionV-Twin Motor Shop lightning cam chest assembly kit includes internal Big Twin replacement type parts for years listed,...$737.63
V-Twin - 10-0942 - 1936 61 inch Knucklehead Engine Case Set
Motortechnic
MSRP: $3,565.40$3,414.23V-Twin - 10-0942 - 1936 61 inch Knucklehead Engine Case SetDescriptionFor 61" Knucklehead motors accurately cast and machined by Motortechnic in Germany. Features a natural cast finish and a blank...MSRP: $3,565.40$3,414.23
V-Twin - 10-0945 - Knucklehead 74 inch Engine Case Set Natural
Motortechnic
MSRP: $4,739.21$4,538.27V-Twin - 10-0945 - Knucklehead 74 inch Engine Case Set NaturalDescription74" motor case for knucklehead motors accurately cast and machined. Features a natural cast finish and a blank number boss...MSRP: $4,739.21$4,538.27Out of stock
V-Twin - 10-0980 - Knucklehead Engine Case Set
Motorshop
$1,758.30V-Twin - 10-0980 - Knucklehead Engine Case SetDescriptionKnucklehead engine case set includes case bushings standard size rollers.Oil from top end returns through pushrod tubes. Does not return...$1,758.30Out of stock
V-Twin - 10-1106 - Aluminum Knucklehead Bare Head Set
Motortechnic
MSRP: $4,047.54$3,875.92V-Twin - 10-1106 - Aluminum Knucklehead Bare Head SetDescriptionAluminum Knucklehead bare head set is casted of heat treated aluminum for 74" Knuckle motors, and is the large port type.Cast aluminum...MSRP: $4,047.54$3,875.92
V-Twin - 10-1186 - Knucklehead Cast Tab Set - Fits 1936-1947 EL / 1941-1947 FL Harley-Davidson
Motorshop
$97.17V-Twin - 10-1186 - Knucklehead Cast Tab Set Description Knucklehead Rocker Box Mount Tab Replacements include a set of two tabs made in a single mold casting.The tabs must be cut to size, one long...$97.17
V-Twin - 10-1209 - Knucklehead Engine Case Set - Fits 1941-1947 Harley-Davidson FL, 1937-1947 EL
V-Twin Mfg
$1,926.772023 New Production motor case set features a blank number boss, there are no serial numbers on the case. Sold with Bill of Sale only. Includes the welch plug, and the right and left case races...$1,926.77Out of stock
V-Twin - 10-1383 - Knucklehead Engine Case Set
Motorshop
$1,591.51V-Twin - 10-1383 - Knucklehead Engine Case SetDescriptionMotor case set features a blank number boss, there are no serial numbers on the case. The left side case features detailed shape. Sold with...$1,591.51
V-Twin - 10-1449 - Knucklehead Cam Chest Kit - Fits 1936-1947 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$654.38V-Twin Knucklehead cam chest kit is for use when building our replica engines.Kit includes Andrews N grind cam Knucklehead and all components except cam cover. All year Knucklehead cam covers are...$654.38
V-Twin - 10-1453 - Knucklehead Cam Chest Kit - Fits 1941-1947 Harley-Davidson FL
V-Twin Mfg
$1,031.73V-Twin Knucklehead cam chest kit is for use when building our replica engines.Kit includes a standard cam chest breather valve gear, a smooth cam cover, oil pump drive gear, cam case pump drive gear,...$1,031.73
V-Twin - 10-1626 - 8-Finned Knucklehead Cam Cover Cast - Fits 1936-1947 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$310.05Forged aluminum 1940 Knucklehead 8-finned cam cover features a natural cast finish and includes the "welch" plug installed, as original, in the top and rear. Cam cover also includes OHO oil feed hole...$310.05
V-Twin - 10-1640 - 1937 Knucklehead Head Set
Motortechnic
MSRP: $5,001.15$4,789.10V-Twin - 10-1640 - 1937 Knucklehead Head SetDescription1937 Knucklehead head set is accurately cast with the original factory markings for the 61" models and features a black finish. The heads...MSRP: $5,001.15$4,789.10
V-Twin - 10-1645 - 8-Finned Knucklehead Cam Cover Polished - Fits 1936-1947 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$345.97Forged aluminum 1940 Knucklehead 8-finned cam cover features a polished finish and includes the "welch" plug installed, as original, in the top and rear. Cam cover also includes OHO oil feed hole...$345.97 V-Twin - 10-1748 - 8-Finned Knucklehead Cam Cover Chrome - Fits 1936-1947 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$352.13Forged aluminum 1940 Knucklehead 8-finned cam cover features a chrome finish and includes the "welch" plug installed, as original, in the top and rear. Cam cover also includes OHO oil feed hole...$352.13Out of stock V-Twin - 10-1832 - Knucklehead Cam Cover Trim Set Alloy - Fits 1999-2016 Harley-Davidson FLT, 1999-2017 FLST, FXST
V-Twin Mfg
MSRP: $414.61$400.31Knucklehead cam cover trim set attaches to the existing cam cover with a 1936 stule screw set.Kit includes an alloy 8-finned style cam cover, an inner mount ring and 12 screws. Fits:FLT 1999-2016FLST...MSRP: $414.61$400.31Out of stock V-Twin - 10-1889 - 1940 Knucklehead 8-Finned Cam Cover Polished
V-Twin Mfg
$304.23V-Twin - 10-1889 - 1940 Knucklehead 8-Finned Cam Cover PolishedDescriptionForged aluminum 1940 Knucklehead 8-finned cam cover features a polished finish and includes the "welch" plug installed, as...$304.23
V-Twin - 10-1936 - Replica Cast Cam Cover
Motorshop
$575.86V-Twin - 10-1936 - Replica Cast Cam Cover Description Cast cover is an exact replica of the early 1936 61" EL models, perhaps for the first 200 units made that year. Cover features natural cast...$575.86
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.