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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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£23.18
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James Gaskets Oil Pump Body to Outer Cover Gasket. Paper – L1962–1971 XL Sportster

Low stock

Description Paper. OEM replacement reference 26258-62. Fitment L62-71 XL Sportster (NU) Product Details Brand: James Gaskets Category: MOTOR PAR...

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£23.18
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£23.18
£22.96
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£22.96
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£19.50
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£19.31

James Gaskets Oil Pump Body to Case Gasket. Paper – 1941–1967 Big Twin

Low stock

Description OEM replacement reference 26245-41 / 589-41. Fitment 41-67 Big Twin (NU) Product Details Brand: James Gaskets Category: MOTOR PARTS ...

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£74.30 - £74.30
£74.30
£75.18
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£75.18

James Gaskets Gasket Primary Cover. Cork – 1941–1964 Big Twin with OEM Tin Primary

Low stock

Description Premium quality cork strip. OEM replacement reference 60540-36 / 3808-36. Fitment 41-64 Big Twin with OEM tin primary (NU) Product Deta...

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£74.30 - £74.30
£74.30
£75.18
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£75.18
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£15.39
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£15.39
£15.24
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£15.24

James Gaskets Gasket Starter Hole Cover. .031" Paper – 1971–1978 FX Models & Other 65-E84…

Low stock

Description .031" thick fiber reinforced paper. Gasket for the OEM 60514-65 starter hole cover plate (block-off plate) used on the inner primary co...

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£15.39
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£15.39
£15.24
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£15.24
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£23.18
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£23.18
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James Gaskets Cylinder Base Gasket. Rear. .031" Paper – 1963–1965 Panhead; 1966–1984 Shovelhead

Low stock

Description Rear gasket. .031" thick fiber reinforced paper. Final crush .025". OEM replacement reference 16777-63. Fitment 63-65 Panhead; 66-84 Sh...

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£23.18
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£23.18
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£22.96
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£23.18
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£23.18
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James Gaskets Cylinder Base Gasket. Front. .031" Paper – 1963–1965 Panhead; 1966–1984 Shovelhead

Low stock

Description Front gasket. .031" thick fiber reinforced paper. Final crush .025". OEM replacement reference 16776-63. Fitment 63-65 Panhead; 66-84 S...

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£23.18
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£98.48
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£98.48
£90.78
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James Gaskets Pushrod Cover Large Lower Seal. Cork – 1948–1965 Panhead; 66-E79 Shovelhead

Low stock

Description 4 used. OEM style cork material. Large lower seal. OEM replacement reference 17955-48 (145-48) Fitment 48-65 Panhead; 66-E79 Shovelhead...

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£98.48
£90.78
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£90.78
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James Gaskets Gasket Brush – Universal

Low stock

Description Stainless steel brush with plastic handle. 18cm overall length. Fitment Universal Product Details Brand: James Gaskets Category: TOO...

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James Gaskets Oil Pump Side Mount Gasket – 1960–1973 G; Ge Servi-Cars

Low stock

Description Paper. OEM replacement reference 26244-60. Fitment 60-73 G; GE Servi-Cars (NU) Product Details Brand: James Gaskets Category: MOTOR ...

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£19.43
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£19.43
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James Gaskets Oil Pump Cover Plate to Body Gasket. Paper – 41-E50 E; EL; FL; FLH Ohv Models

Low stock

Description Governor rotor / rotator fitted. OEM replacement reference 26255-41 / 684-41. Fitment 41-E50 E; EL; FL; FLH OHV models (NU) Product Det...

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£19.43
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£19.43
£19.24
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£19.24
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James Gaskets Gasket Primary Cover. .031" Paper – 65-E82 4-Speed Big Twin

Low stock

Description .031" fiber reinforced paper. 8-hole. OEM replacement reference 60540-65A. Fitment 65-E82 4-speed Big Twin (NU) Product Details Brand...

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£94.83
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£95.96
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£20.51
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£20.31
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James Gaskets Oil Pump Bottom Mount Gasket. Paper – 1937–1973 45" Flatheads W; WL; WLA; G…

Low stock

Description Fiber reinforced paper. OEM replacement reference 26246-37 / 590-37. Fitment 37-73 45" Flatheads W; WL; WLA; G; GE Servi-Car; 37-48 74"...

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£20.51
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£20.51
£20.31
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£20.31
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£23.18
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James Gaskets Oil Pump Side Mount Gasket. Paper – 1937–1959 45" Flathead W; WL; WLA; G…

Low stock

Description Fiber reinforced paper. OEM replacement reference 26244-37 / 589-37. Fitment 37-59 45" Flathead W; WL; WLA; G Servi-Car (NU) Product De...

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£23.18
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£15.53
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£15.53
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£15.37

James Gaskets Oil Pump Relief Valve Plug Washer – 54-E78 & L1978–1980 Big Twin

Low stock

Description 1 used. Washer is made of felt. OEM replacement reference 26231-78. Note: Can also be used to use the brass washer (OEM 6581) as origin...

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£15.37
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£15.37
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£48.51
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James Gaskets Gasket Cam Cover .020" Paper – 1936–1948 74" & 80" Flathead

Low stock

Description .020" thick fiber reinforced paper. OEM replacement reference 25227-37 / 598-37. Fitment 36-48 74" & 80" Flathead (NU) Product Deta...

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£47.94
£48.51
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£9.38
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£8.97
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James Gaskets Seal, Rocker Cover Oil Lines – 1966–1984 Big Twin; 1957–1985 XL…

Low stock

Description Replacement oil seals only. OEM replacement reference 63529-57. Fitment 66-84 Big Twin; 57-85 XL Sportster (NU) Product Details Brand...

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£47.94
£48.51
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James Gaskets Cam Cover Gasket. .020" Paper – 1937–1973 45" (750cc) Flathead

Low stock

Description .020" thick fiber reinforced paper. OEM replacement reference 25226-37; 25226-37A / early 598-37A. Fitment 37-73 45" (750cc) Flathead (...

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£47.94 - £47.94
£47.94
£48.51
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£39.69 - £39.69
£39.69
£40.16
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£40.16

James Gaskets Gasket Cam Cover. .020" Paper – 1936–1940 E; EL Knucklehead

Low stock

Description .020" thick paper. Cam gear cover gasket. OEM replacement reference 25225-36 / old 598-36. Fitment 36-40 E; EL Knucklehead (Excl. Flath...

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£39.69 - £39.69
£39.69
£40.16
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£40.16
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£39.73
£40.20
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£40.20

James Gaskets Gasket Cam Cover. .031" Paper – 1952–1981 K; XL Sportster

Low stock

Description .031" thick fiber reinforced paper. OEM replacement reference 25224-52; 25224-52A. Fitment 52-81 K; XL Sportster (NU) Product Details ...

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£39.73 - £39.73
£39.73
£40.20
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£40.20
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£20.92
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£20.92
£20.71
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£20.71

James Gaskets Cork Seal Check Valve – 1952–1965 Panhead

Low stock

Description Used in the crankcase for the check valve body that fits around the tappet oil screen. Fitment 52-65 Panhead (NU) Product Details Bra...

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£20.71
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£20.71
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£7.82
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£7.82
£7.47
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£7.47

James Gaskets O-Ring Rocker/Pushrod/Kickstart Shaft/Oil Defl. Plate – 1966–1984 Big Twin; 1957–1985 XL…

In stock

Description O-ring. Multiple applications. OEM replacement reference 11101. Fitment 66-84 Big Twin; 57-85 XL Sportster (NU) : Rockershaft (4 used)....

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£7.82
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£7.82
£7.47
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£12.53
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£12.53
£12.41
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£12.41

James Gaskets Breather Pipe Gasket Cam Cover. .031" Paper – 1937–1973 45" (750cc) Flathead…

Low stock

Description .031" thick fiber reinforced paper. OEM replacement reference 24921-37 / early 544-37. Fitment 37-73 45" (750cc) Flathead (excl. K; KH ...

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£12.53
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£12.53
£12.41
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£12.41
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£13.66
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£13.66
£13.53
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£13.53

James Gaskets Tappet Block Gaskets – 1936–1947 Knucklehead

Low stock

Description Fits front & rear tappet guides. OEM replacement reference 18632-36 (237-36). Fitment 36-47 Knucklehead (NU) Product Details Bran...

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£13.66
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£13.66
£13.53
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£13.53
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£15.55
£18.05
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£18.05

James Gaskets Tappet Block Gasket. Fr/Rr – 1930–1973 45" Flathead; 1937–1948 74"…

Low stock

Description OEM replacement reference 18631-30 and 237-30. Fitment 30-73 45" Flathead; 37-48 74"; 80" Flathead (Excl. K; KH) (NU) Product Details ...

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