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Engine - Gaskets & Kits

Explore gaskets & kits within the engine range, with products grouped for motorcycle servicing, repair and custom work. Available items span engine components and gaskets, seals and service parts, helping you compare parts intended for different jobs. For an accurate match, compare the product’s stated fitment and dimensions with your motorcycle or equipment.

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£18.10
£18.10 - £18.10
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£17.93
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James Gaskets Valve Spring Cover Washer – 1926–1973 45"/74"/80" Flathead

Out of stock

Description Vulcanized fiber washer. OEM replacement reference 18630-26; 176-26. Fitment 26-73 45"/74"/80" Flathead (NU) Product Details Brand: J...

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£17.93
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£18.09
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£18.09
£17.91
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£17.91

James Gaskets Valve Guide Gasket. .045" Paper/Steel Core – 1936–1947 Knucklehead

Low stock

Description .045" thick paper on a steel core. OEM replacement reference 18265-37 / 176-37. Fitment 36-47 Knucklehead (NU) Product Details Brand:...

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£18.09
£17.91
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£31.04
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James Gaskets Valve Spring Cover Seal – 1929–1968 45" Flathead; 1937–1940 74"…

Low stock

Description Rubber. Flat o-ring seal. OEM replacement reference 18260-29 / 175-29 & 18261-30 /175-30A Fitment 29-68 45" Flathead; 37-40 74"; 80...

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£31.04
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£31.04
£30.88
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£30.88
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£17.32
£20.10
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£20.10

James Gaskets Washer Spring Cover – 1939–1948 74" & 80" Flathead

Out of stock

Description .020" paper washer. OEM replacement reference 18259-39; 175-39C. Fitment 39-48 74" & 80" Flathead (NU) Product Details Brand: Jam...

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£17.32
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£20.10
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£12.53
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James Gaskets O-Ring Clutch Gear – 1967–1970 XLH; 1970 Xlch

Low stock

Description In transmission. OEM replacement reference 11119. Fitment 67-70 XLH; 1970 XLCH (NU) Product Details Brand: James Gaskets Category: D...

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£23.49
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James Gaskets Washer Valve Spring Cover. Lower – 1939–1948 74" & 80" Flathead

Low stock

Description Cork washer. OEM replacement reference 18257-39; 175-39A Fitment 39-48 74" & 80" Flathead (NU) Product Details Brand: James Gaske...

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£27.27
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James Gaskets Washer Valve Spring Cover. Upper – 1939–1948 74" & 80" Flathead

Out of stock

Description Cork washer. OEM replacement reference 18245-39; 173-39A. Fitment 39-48 74" & 80" Flathead (NU) Product Details Brand: James Gask...

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£23.49
£27.27
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James Gaskets Valve Guide Gasket – 1938–1973 45" (750cc) Flathead

Low stock

Description OEM replacement reference 18198-38; 167-38. Fitment 38-73 45" (750cc) Flathead (NU) Product Details Brand: James Gaskets Category: M...

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James Gaskets Cylinder Base Gasket Fr/Rr. .020" Paper – 1929–1973 45" (750cc) Flathead

Low stock

Description Front/rear. .020" thick fiber reinforced paper. Final crush .016". OEM replacement reference 16775-29 / old 46-29. Fitment 29-73 45" (7...

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£23.18
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£23.18
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£22.96
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£25.68
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£25.43

James Gaskets Gasket Transmission Top Cover. .020" Paper – 1941–1973 45" Flathead & Servi-Car

Low stock

Description .020" fiber reinforced paper. OEM replacement reference 34825-41 / 2271-41. Fitment 41-73 45" Flathead & Servi-Car (NU) Product Det...

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£25.68
£25.43
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£25.43
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£10.32
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£9.87
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£9.87

James Gaskets Point Cover Gasket. .031" Paper – 1970–1999 Evo Big Twin; 1971–2003 XL…

Low stock

Description .031" thick paper. With 2 holes. OEM replacement reference 32591-70. Fitment 70-99 Evo Big Twin; 71-03 XL Sportster (NU) Product Detail...

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£23.18
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£23.18
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James Gaskets Cylinder Base Gaskets Fr/Rr. .031" Paper – 1936–1947 61"/74" Knucklehead; 1937–1948…

Low stock

Description Front & rear. .031" thick fiber reinforced paper. Final crush .025". OEM replacement reference 16774-21 (old 46-21). Fitment 36-47 ...

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£23.18
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£23.18
£22.96
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£22.96
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£16.86
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£16.86

James Gaskets Gasket Tappet Block. Fr/Rr – 1952–1956 K; KH Flathead

Low stock

Description Tappet guide gasket; fits front & rear tappet guides. OEM replacement reference 18631-52 Fitment 52-56 K; KH Flathead (NU) Product ...

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£14.53
£16.86
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£16.86
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£13.54
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£13.41
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£13.41

James Gaskets Gasket Starter Solenoid. Foam – L1965–1982 FL; 71-E84 FX; 1967–1980 XL…

Low stock

Description Foam seal. OEM replacement reference 60645-65 Fitment L65-82 FL; 71-E84 FX; 67-80 XL Sportster (Excl. 83-E84 FL; L84-86 FX; 80-84 FXB; ...

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£13.54
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£13.41
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£13.41
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£12.77
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£12.77
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James Gaskets Gasket Speedo Drive Unit – Speedometer: 1954–1956 KH; 1957–1972 XL…

Low stock

Description Fiber washer. Multiple applications. Used for speedometer and tachometer drive gear. OEM replacement reference 67142-52. Note: OEM valv...

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£12.64
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James Gaskets Gasket Speedometer Drive Unit. .020" Paper – 1936–1984 4-Speed Big Twin with…

Low stock

Description .020" fiber reinforced paper. OEM replacement reference 67141-36 (11140-36) Fitment 36-84 4-speed Big Twin with transmission driven spe...

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£10.77
£12.49
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£80.42
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£80.42
£75.23
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£75.23

James Gaskets Pushrod Cover Seals. Cork – 48-E79 Big Twin: Upper & Middle.…

Low stock

Description Cork seals. On 36-47 Knuckle and 57-E79 XL Sportsters the small seal is used as upper; middle and lower seal.OEM replacement reference ...

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£80.42
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£80.42
£75.23
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£75.23
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£26.43
£30.67
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£30.67

James Gaskets Gasket Oil Tank Filter Cap – 1952–1956 K; KH; 1957–1966 XL Sportster…

Low stock

Description Rubber. OEM replacement reference 62628-52 Fitment 52-56 K; KH; 57-66 XL Sportster; XLH; 1972 XR 750 (NU) Product Details Brand: Jame...

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£26.43
£30.67
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£26.07
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James Gaskets Oil Seal Clutch Release Rod – 1953–1956 K; KH; 1957–1970 XL Sportster

Low stock

Description OEM replacement reference 37339-53 Fitment 53-56 K; KH; 57-70 XL Sportster (NU) Product Details Brand: James Gaskets Category: TRANS...

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£25.81
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£25.81
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£15.83
£18.37
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£18.37

James Gaskets Gasket Countershaft End Plate. .031" Paper – 1936–1964 Big Twin; 1936–1948 74"…

Low stock

Description .031" fiber reinforced paper. OEM replacement reference 36025-36; 2307-36D. Fitment 36-64 Big Twin; 36-48 74" Flathead (NU) Product Det...

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£15.83
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James Gaskets Gasket Speedometer Drive Hole Plate – 1936–1984 4-Speed Big Twin with…

Low stock

Description .031" fiber reinforced paper. OEM replacement reference 35607-73. Fitment 36-84 4-speed Big Twin with transmission driven speedometer (...

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£11.54 - £11.54
£11.54
£13.38
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£13.38
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£22.29
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£22.29
£22.07
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James Gaskets Oil Pump Body to Inner Cover Gasket. Paper – 1952–1956 K; KH; 57-E62 & 1972–1976 XL…

Low stock

Description Fiber reinforced paper. OEM replacement reference 26259-52. Fitment 52-56 K; KH; 57-E62 & 72-76 XL Sportster (NU) Product Details ...

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£22.29
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£22.29
£22.07
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£22.07
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£90.99
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£90.99

James Gaskets Gasket Primary Cover. .062" Paper – 1952–1956 K; KH; 1957–1969 XLH; Xlch

Low stock

Description .062" thick fiber reinforced paper. OEM replacement reference 34952-52. Fitment 52-56 K; KH; 57-69 XLH; XLCH (NU) Product Details Bra...

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£89.91
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James Gaskets Gasket Primary Cover. .031" Paper – 1952–1956 K; KH; 1957–1969 XLH; Xlch

Low stock

Description .031" thick fiber reinforced paper. OEM replacement reference 34952-52. Fitment 52-56 K; KH; 57-69 XLH; XLCH (NU) Product Details Bra...

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£56.47 - £56.47
£56.47
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