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Transmission & Clutch

Start your search for transmission and clutch parts here, with products gathered for Harley-Davidson, American V-twin and compatible motorcycle applications. Compatibility varies, so match the stated model, year and technical details before ordering.

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£5.03
£5.03 - £5.03
£5.03
£4.81
£4.81 - £4.81
£4.81

Samwel Oil Seal, Transmission Sprocket for 1929-1973 45" Flathead - 0252401

Currently Unavailable

Description 1 used. Transmission. OEM replacement reference 35221-36 / 2524-41 Fitment29-73 45" Flathead (NU)Product Details Brand: Samwel Catego...

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£5.03
£5.03 - £5.03
£5.03
£4.81
£4.81 - £4.81
£4.81
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£7.08
£7.08 - £7.08
£7.08
£6.77
£6.77 - £6.77
£6.77

Samwel Thrust Washer, Clutch Gear Bearing for 1941-1973 45" Flathead - 0252001

Currently Unavailable

Description 1 used. Transmission. OEM replacement reference 37480-41 / 2520-41 Fitment41-73 45" Flathead (NU)Product Details Brand: Samwel Categ...

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£7.08
£7.08 - £7.08
£7.08
£6.77
£6.77 - £6.77
£6.77
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Samwel Thrustwasher Set, 2Nd Gear (8Pk) – 1941–1973 45" Flathead Save 3% Save %
£32.28
£32.28 - £32.28
£32.28
£31.29
£31.29 - £31.29
£31.29

Samwel Thrustwasher Set, 2nd Gear (8pk) for 1941-1973 45" Flathead - 0229403

Available

Description Incl. .040" to .075" sizes with 0.05" increments. - .040". Repl. 35347-41 / 2294-41AB - .045". Repl. 35348-41 / 2294-41AC - .050". Repl...

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£32.28
£32.28 - £32.28
£32.28
£31.29
£31.29 - £31.29
£31.29
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Samwel Transmission Oil Fill Plug. Black Parkerized – 1941–1973 45" (750cc) Flathead Sold out
£13.93
£13.93 - £13.93
£13.93
£13.32
£13.32 - £13.32
£13.32

Samwel Transmission Oil Fill Plug. Black Parkerized for 1941-1973 45" (750cc) Flathead - 0232605

Currently Unavailable

Description OEM reproduction style. 11/16"-11 threaded. OEM replacement reference 703; 2326-41. Fitment41-73 45" (750cc) Flathead (NU)Product Detai...

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£13.93
£13.93 - £13.93
£13.93
£13.32
£13.32 - £13.32
£13.32
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Samwel Tripper Bolt, Transmission. Black – 1941–1963 45" Flathead
£23.69 - £23.69
£23.69
£23.69 - £23.69
£23.69

Samwel Tripper Bolt, Transmission. Black for 1941-1963 45" Flathead - 0217201

Available

Description 2 used. Heat treated tripper bolts and slotted nuts in a black parkerized finish. Exact original duplicates. Replacement reference 3345...

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£23.69 - £23.69
£23.69
£23.69 - £23.69
£23.69
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£519.76 - £519.76
£519.76
£545.89
£545.89 - £545.89
£545.89

Samwel 45" Side Valve 'Liberator' 1" Primary Belt Drive Kit. Solo for 1929-1973 45" Flathead Models without Sidecar - 0205002

Currently Unavailable

Description 26/48 drive ratio with 78 tooth belt. Designed for solo 45" Flatheads For those who want to turn the primary chain to a belt drive syst...

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£519.76 - £519.76
£519.76
£545.89
£545.89 - £545.89
£545.89
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£540.98 - £540.98
£540.98
£568.17
£568.17 - £568.17
£568.17

Samwel 45" Side Valve 'Liberator' 1" Primary Belt Drive Kit. SC for All 45" Flathead Models with A Side Car - 0205012

Currently Unavailable

Description 24/48 drive ratio with 80 tooth belt. Designed for 45" Flatheads equipped with a side car. For those who want to turn the primary chain...

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£540.98 - £540.98
£540.98
£568.17
£568.17 - £568.17
£568.17
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Save 3% Save %
£47.99
£47.99 - £47.99
£47.99
£46.53
£46.53 - £46.53
£46.53

Samwel Repl. 1 Inch Primary 78t Belt, 45 Inch SV for 1929-1973 45" Flathead Solo Models Equipped with 506921 Primary Belt Drive Kit - 0205003

Available

Description Fits 506921 belt drive kit as stock replacement. Fitment29-73 45" Flathead solo models equipped with 506921 primary belt drive kit (NU)...

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£47.99
£47.99 - £47.99
£47.99
£46.53
£46.53 - £46.53
£46.53
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£44.93
£44.93 - £44.93
£44.93
£43.56
£43.56 - £43.56
£43.56

Samwel Repl. 1" Primary 80t Belt, 45" SV for 1929-1973 45" Flathead Side Car Models Equipped with 506922 Primary Belt Drive Kit - 0205013

Available

Description Fits 506922 belt drive kit as stock replacement. Fitment29-73 45" Flathead side car models equipped with 506922 primary belt drive kit ...

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£44.93
£44.93 - £44.93
£44.93
£43.56
£43.56 - £43.56
£43.56
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£102.58
£102.58 - £102.58
£102.58
£101.58
£101.58 - £101.58
£101.58

Samwel 45" Flathead Kickstart Arm. Black for 1941-1973 All 45" Flathead Solo and Servi-Car Models - 0207601

Currently Unavailable

Description Black parkerized forged steel. OEM style reproduction. OEM replacement reference 33059-41; 2076-41. Note: Kickstarter arm mounting bolt...

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£102.58
£102.58 - £102.58
£102.58
£101.58
£101.58 - £101.58
£101.58
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Save 1% Save %
£123.93
£123.93 - £123.93
£123.93
£122.72
£122.72 - £122.72
£122.72

Samwel 45" Flathead Kickstart Arm. Chrome for 1941-1973 All 45" Flathead Solo and Servi-Car Models - 0207602

Available

Description Chrome plated forged steel. OEM style reproduction. OEM replacement reference 33059-41; 2076-41. Note: Kickstarter arm mounting bolt se...

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£123.93
£123.93 - £123.93
£123.93
£122.72
£122.72 - £122.72
£122.72
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£2,445.13 - £2,445.13
£2,445.13
£2,864.35
£2,864.35 - £2,864.35
£2,864.35

Samwel 4-Speed 'Close-Ratio' Transmission for 750cc Flatheads for 41-51 WL - 0218003

Currently Unavailable

Description Identical appearance to the stock 3-speed transmission. 1; 2; 3 are smaller and 4th gear is identical to OEM ratio. We all know that th...

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£2,445.13 - £2,445.13
£2,445.13
£2,864.35
£2,864.35 - £2,864.35
£2,864.35
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£45.29
£45.29 - £45.29
£45.29
£44.85
£44.85 - £44.85
£44.85

Samwel Shifter Lever Guide, 3-Speed. Black for Harley-Davidson 1940-1946 45/74/80" Flathead; 1940-1946 OHV Big Twin - 49-0107

Currently Unavailable

Description 1N23 shift pattern. Shifter gate for models with fuel tank mounted hand shifters. OEM replacement reference 33785-40; 2208-40. Fitment ...

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£45.29
£45.29 - £45.29
£45.29
£44.85
£44.85 - £44.85
£44.85
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Save 3% Save %
£71.99
£71.99 - £71.99
£71.99
£69.79
£69.79 - £69.79
£69.79

Samwel Shifter Lever Guide, 3-Speed & Reverse. Painted for Harley-Davidson 1940-1946 45/74/80" Flathead; 1940-1946 OHV Big Twin - 0220804

Available

Description R1N23 shift pattern. Shifter gate for models with fuel tank mounted hand shifters. OEM replacement reference 33786-40; 2208-40A. Fitmen...

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£71.99
£71.99 - £71.99
£71.99
£69.79
£69.79 - £69.79
£69.79
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Save 1% Save %
£73.29
£73.29 - £73.29
£73.29
£72.58
£72.58 - £72.58
£72.58

Samwel Shifter Lever Guide, 4-Speed. Black for Harley-Davidson 1940-1946 4-Speed Big Twin - 0220806

Available

Description 1N234 shift pattern. Shifter gate for models with fuel tank mounted tank shift / hand shift. OEM replacement reference 33789-37; 2209-3...

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£73.29
£73.29 - £73.29
£73.29
£72.58
£72.58 - £72.58
£72.58
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Sold out
£48.57
£48.57 - £48.57
£48.57
£48.09
£48.09 - £48.09
£48.09

V-Twin Mfg Shifter Lever Guide, 3-Speed. Chrome for Harley-Davidson 1940-1946 45/74/80" Flathead; 1940-1946 OHV Big Twin - 49-0073

Currently Unavailable

Description 1N23 pattern. Shifter gate for models with fuel tank mounted hand shifters. OEM replacement reference 33790-39; 2208-39 Fitment 40-46 4...

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£48.57
£48.57 - £48.57
£48.57
£48.09
£48.09 - £48.09
£48.09
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£53.47 - £53.47
£53.47
£78.79
£78.79 - £78.79
£78.79

Samwel Shifter Lever Guide, 3-Speed & Reverse. Chrome for Harley-Davidson 1940-1946 45/74/80" Flathead; 1940-1946 OHV Big Twin - 49-0147

Available

Description R1N23 shift pattern. Shifter gate for models with fuel tank mounted hand shifters. OEM replacement reference 33786-40; 2208-40A. Fitmen...

View full details
£53.47 - £53.47
£53.47
£78.79
£78.79 - £78.79
£78.79
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£67.85
£67.85 - £67.85
£67.85
£65.78
£65.78 - £65.78
£65.78

Samwel Shifter Lever Guide, 3-Speed. Chrome for 1947-1973 45" Flathead; 1947-1948 74/80" Flathead & OHV - 0220901

Currently Unavailable

Description 32N1 pattern. Shifter gate for models with fuel tank mounted hand shifters. OEM replacement reference 33785-47; 2209-47B. Fitment 47-73...

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£67.85
£67.85 - £67.85
£67.85
£65.78
£65.78 - £65.78
£65.78
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Save 1% Save %
£77.04
£77.04 - £77.04
£77.04
£76.29
£76.29 - £76.29
£76.29

Samwel Shifter Lever Guide, 3-Speed & Reverse. Chrome for 1947-1973 45" Flathead; 1947-1948 74/80" Flathead/OHV - 0220903

Available

Description 32N1R shift pattern. Shifter gate for models with fuel tank mounted hand shifters. OEM replacement reference 33786-47; 2209-47A. Fitmen...

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£77.04
£77.04 - £77.04
£77.04
£76.29
£76.29 - £76.29
£76.29
Save 1% Save %
Save 12% Save %
£79.56
£79.56 - £79.56
£79.56
£69.79
£69.79 - £69.79
£69.79

Samwel Shifter Lever Guide, 4-Speed. Chrome for Harley-Davidson 1940-1946 4-Speed Big Twin - 0220805

Available

Description 1N234 shift pattern. Shifter gate for models with fuel tank mounted tank shift / hand shift. OEM replacement reference 33789-37; 2208-3...

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£79.56
£79.56 - £79.56
£79.56
£69.79
£69.79 - £69.79
£69.79
Save 12% Save %
Save 1% Save %
£53.47
£53.47 - £53.47
£53.47
£52.94
£52.94 - £52.94
£52.94

V-Twin Mfg Shifter Lever Guide, 4-Speed. Chrome for Harley-Davidson 1947-1948 4-Speed Big Twin - 49-0075

Available

Description 432N1 shift pattern.Shifter gate for models with fuel tank mounted tank shift / hand shift. OEM replacement reference 33789-47; 2209-47...

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£53.47
£53.47 - £53.47
£53.47
£52.94
£52.94 - £52.94
£52.94
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Save 4% Save %
£15.99
£15.99 - £15.99
£15.99
£15.29
£15.29 - £15.29
£15.29

Samwel Bushing, 1st Gear Transmission Mainshaft for 1941-1973 45" Flathead - 0229702

Available

Description 1 used. OEM replacement reference 35316-41 / 2297-41A Fitment41-73 45" Flathead (NU)Product Details Brand: Samwel Category: Transmiss...

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£15.99
£15.99 - £15.99
£15.99
£15.29
£15.29 - £15.29
£15.29
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Samwel Lock Screw, Shifter Cam Shaft – 1938–1973 45" Flathead
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£3.77
£3.77 - £3.77
£3.77
£3.48
£3.48 - £3.48
£3.48

Samwel Lock Screw, Shifter Cam Shaft for 1938-1973 45" Flathead - 0224402

Currently Unavailable

Description 1 used. OEM replacement reference 34051-38; 2244-38A Fitment38-73 45" Flathead (NU)Product Details Brand: Samwel Category: TRANSMISS...

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£3.77
£3.77 - £3.77
£3.77
£3.48
£3.48 - £3.48
£3.48
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Samwel Breather Valve, Gearcover – 1937–1973 45" SV (1 USED)
Sold out
£13.25
£13.25 - £13.25
£13.25
£12.67
£12.67 - £12.67
£12.67

Samwel Breather Valve, Gearcover - 1937-1973 45" Sv (1 Used) for 37-73 45" SV(1 USED)

Currently Unavailable

Description Breather valve, gearcover Fitment37-73 45" SV (NU) (1 USED)Product Details Brand: Samwel Category: TRANSMISSION/DRIVELINE > TRANS...

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£13.25
£13.25 - £13.25
£13.25
£12.67
£12.67 - £12.67
£12.67
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