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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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£16.51
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James Gaskets Pushrod Cover Quad Seal. Lower – 1984–2025 Big Twin; 1986–1990 XL…

Low stock

Description Quad seal. Custom replacement for OEM 11145 O-ring seal. Fitment 84-25 Big Twin; 86-90 (NU) XL Sportster Product Details Brand: James...

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£16.51
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£16.51
£16.35
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£104.13 - £104.13
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James Gaskets Gasket Primary Cover. .031" Paper – 1980–1993 FLT/Touring; FXR

Low stock

Description .031" thick fiber reinforced paper. OEM replacement reference 34901-79; 34901-85A Fitment 80-93 FLT/Touring; FXR (NU) Product Details ...

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£104.13 - £104.13
£104.13
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James Gaskets Gasket Transmission Top Cover. .031" Paper – L1979–1986 4-Speed Big Twin

Low stock

Description .031" thick fiber reinforced paper. Fits transmissions with rotary top cover. OEM replacement reference 34824-79. Fitment L79-86 4-spee...

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£14.74 - £14.74
£14.74
£17.10
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£17.10
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£21.94
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£21.72
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James Gaskets Carb to Air Cleaner Housing Gasket. Keihin – 1977–1989 Big Twin; L1976–1987 XL…

Low stock

Description .031" thick fiber reinforced paper with self adhesive backing. OEM replacement reference 29058-77. Fitment 77-89 Big Twin; L76-87 XL Sp...

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£21.94
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£21.94
£21.72
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£21.72
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£27.78
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£27.51
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£27.51

James Gaskets Shifter Shaft Seal – 1974–1985 FX

Low stock

Description 1 used in inner primary; 1 used in inspection cover. OEM replacement reference 60641-74. Fitment 74-85 FX (Excl. FXWG; FXST) (NU) Produ...

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£27.78
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£27.78
£27.51
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£13.16
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James Gaskets Oil Seal Transmission Main Drive Gear. 4th Gear – L66-E81 4-Speed Big Twin

Low stock

Description Metal O.D.. OEM replacement reference 12022. Fitment L66-E81 4-speed Big Twin (NU) Product Details Brand: James Gaskets Category: TR...

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£13.16
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£13.16
£13.03
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£13.03
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£27.10
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£27.10
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£26.84

James Gaskets Oil Seal Primary Cover Mainshaft. Double Lip – 1970–1984 FL; FX

In stock

Description Rubber OD. Fits back side of inner primary; seals mainshaft support bearing. OEM replacement reference 12018. Fitment 70-84 FL; FX (Exc...

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£27.10
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£27.10
£26.84
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£26.84
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£42.87
£43.38
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£43.38

James Gaskets Oil Seal Mainshaft / Clutch Hub. Double Lip – 1980–1981 FL; L1979–1981 FX :…

Low stock

Description Rubber OD. OEM replacement reference 37741-67. Fitment 80-81 FL; L79-81 FX (NU) : Transmission mainshaft. 67-70 XL Sportster (NU) : Clu...

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£42.87
£43.38
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£43.38
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£33.94
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£33.94
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£33.61

James Gaskets Gasket Taillight to Fender – 1955–1972 Big Twin; XL Sportster

Low stock

Description Direct replacement for 519380 (chrome) and 519458 (black) 55-72 H-D OEM style taillight. OEM replacement reference 68123-55. Fitment 55...

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£33.94
£33.61
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£33.61
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£49.25
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£49.25
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James Gaskets Transmission Seal Nut (Super Nut) – 1936–1986 4-Speed Big Twin

Low stock

Description The Super Nut is an original James designed mainshaft nut that has a strong reputation stretching several decades. The added benefit? T...

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£49.25
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£49.25
£46.07
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£12.95
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James Gaskets Oil Seal Transmission Mainshaft – 1982–1986 4-Speed Big Twin

Low stock

Description Rubber OD. OEM replacement reference 37741-82 Fitment 82-86 4-speed Big Twin (NU) Product Details Brand: James Gaskets Category: TRA...

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£12.95
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£12.82
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£12.82
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£10.78
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£10.78
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£10.67

James Gaskets Oil Seal Transmission Mainshaft – 1982–1986 4-Speed Big Twin

Low stock

Description Metal OD; like OEM production of that time. OEM replacement reference 37741-82. Fitment 82-86 4-speed Big Twin (NU) Product Details B...

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£10.78
£10.67
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£30.59
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£30.29

James Gaskets Battery Pad. Top Cover – 1949–1984 FL; FLH; 1971–1984 FX…

Low stock

Description 2 used. 3/16" (4.8mm) weather resistant foam rubber. Self adhesive PSA (Pressure-Sensitive Adhesive) on one side. For use in stock and ...

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£30.59
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£30.59
£30.29
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£30.29
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£36.44
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£36.44
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£36.09

James Gaskets Battery Pad. Top & Bottom – 1952–1964 K; KH; XL Sportster with…

Low stock

Description 3/16" (4.8mm) weather resistant foam rubber. For use in stock and custom applications against battery rattle. Dimensions: 3.5" (8.9cm) ...

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£36.44
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£36.44
£36.09
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£36.09
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£55.31
£55.97
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James Gaskets Battery Pad. Top & Bottom – 1915–1964 H-D 6-Volt

Low stock

Description 3/16" (4.8mm) weather resistant foam rubber. Self adhesive PSA (Pressure-Sensitive Adhesive) on one side. For use in stock and custom a...

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£55.31
£55.97
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£55.97
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£12.35
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£12.35
£12.23
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James Gaskets Air Cleaner Cover to Backing Plate Plug – 1986–1992 All Big Twin

Low stock

Description Soft rubber plug. Fits the rear side of the aircleaner backing plate. OEM replacement reference 738. Fitment 86-92 all Big Twin (NU) Pr...

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£12.35
£12.23
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£12.23
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£18.45
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£18.27
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£18.27

James Gaskets Cam Cover Gaskets. .035" Foamet – 2008–2012 XR1200

Low stock

Description .035" thick Foamet. Final crush .022". Foamet gasket material has an aluminum core with a nitrile synthetic rubber foam layer bonded to...

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£18.45
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£18.45
£18.27
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£18.27
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Sold out
£13.34
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£13.34
£13.21
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£13.21

James Gaskets Oil Pump Body to Case Gasket. .031" Paper – 1991–2022 XL Sportster

Out of stock

Description .031" thick fiber reinforced paper. OEM replacement reference 16495-89; 26495-89A; 26495-89B. Fitment 91-22 XL Sportster (Excl. 08-12 X...

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£13.34
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£13.34
£13.21
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£13.21
Sold out
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£33.64
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£33.64
£33.31
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£33.31

James Gaskets Exhaust Gaskets. 91-09 Style – 1984–2026 Big Twin; 1986–2022 XL…

In stock

Description ''late'' 91-09 conical style. OEM replacement reference 65324-83A. Note: The 84-90 /10-up style is preferred by many for better flow ch...

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£33.64
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£33.64
£33.31
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£33.31
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£16.73
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£16.73
£16.57
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£16.57

James Gaskets Oil Pump Body to Cover Gasket. .031" Paper – 1992–1999 Evo Big Twin

Low stock

Description .031" fiber reinforced paper. OEM replacement reference 26276-92A. Fitment 92-99 Evo Big Twin (NU) Product Details Brand: James Gaske...

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£16.73
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£16.73
£16.57
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£16.57
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£50.98 - £50.98
£50.98
£51.59
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£51.59

James Gaskets Cam Cover Gaskets. .031" Paper/Silicone – 2000–2022 XL Sportster

Low stock

Description .031" thick paper with a silicone bead. OEM replacement reference 26263-90C; 26263-90D. Fitment 00-22 XL Sportster (excl. 08-12 XR1200)...

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£50.98 - £50.98
£50.98
£51.59
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£39.73 - £39.73
£39.73
£40.20
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£40.20

James Gaskets Cam Cover Gaskets. .031" Paper – 1991–1999 XL Sportster

Low stock

Description .031" thick fiber reinforced paper. OEM replacement reference 25263-90; 25263-90A; 25263-90B Fitment 91-99 XL Sportster (NU) Product De...

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£39.73 - £39.73
£39.73
£40.20
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£74.72
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£74.72

James Gaskets Cylinder Head Gasket. .020" Copper – 1939–1973 45" (750cc) Flathead W; WL and…

Low stock

Description .020" embossed copper. Final crush .020". OEM replacement reference 16763-39 / 11-39. Fitment 39-73 45" (750cc) Flathead W; WL and G; G...

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£73.84 - £73.84
£73.84
£74.72
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£74.72
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£64.81
£65.59
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£65.59

James Gaskets Rocker Cover Gasket. .020" Paper with Silicone – 1966–1984 Shovelhead

Low stock

Description .020" paper with silicone bead. Upgraded replacement for OEM 17540-69A paper gasket. Fitment 66-84 Shovelhead (NU) Product Details Br...

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£64.81 - £64.81
£64.81
£65.59
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£65.59

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