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Dyna – Engine & Gaskets

Browse engine & gaskets selected for Harley-Davidson Dyna motorcycles. Available items span engine components and gaskets, seals and service parts, helping you compare parts intended for different jobs. Confirm model coverage, key measurements and any supporting parts required on the individual listing.

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£12.92
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Cometic Point Cover Gasket. AFM – 1970–1999 Evo Big Twin; 1971–2003 XL…

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Cometic Point Cover Gasket. AFM – 1970–1999 Evo Big Twin; 1971–2003 XL… Aluminum Foamet Material. With 4 holes. OEM replacement reference 32591-80....

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£9.69
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Cometic Tappet Block Gasket. Front. .060" AFM – 1948–1999 Big Twin

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Cometic Tappet Block Gasket. Front. .060" AFM – 1948–1999 Big Twin .060" thick AFM (Aluminum Foamet Material). These gaskets have an aluminum base ...

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£8.92
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£8.01
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£7.37
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£7.37

Cometic Tappet Block Gasket. Rear. .060" AFM – 1948–1999 Big Twin

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Cometic Tappet Block Gasket. Rear. .060" AFM – 1948–1999 Big Twin .060" thick AFM (Aluminum Foamet Material). These gaskets have an aluminum base w...

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£7.37
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£7.37
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£52.56
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£50.04
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£50.04

Cometic Gasket Transmission Oil Spout (Filler). AFM – 1993–2006 FLT/Touring

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Cometic Gasket Transmission Oil Spout (Filler). AFM – 1993–2006 FLT/Touring AFM (Aluminum Foamet Material). OEM replacement reference 62432-93B. Co...

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£50.04
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£50.04
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£52.56
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Cometic Gasket Transmission Oil Pan. AFM – 1993–1998 FLT/Touring

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Cometic Gasket Transmission Oil Pan. AFM – 1993–1998 FLT/Touring AFM (Aluminum Foamet Material). OEM replacement reference 26077-93. Cometic''s AFM...

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£52.56
£50.04
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£35.60
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£33.89
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£33.89

Cometic Transmission Bearing Housing Gasket. .032" AFM – 1980–1999 5-Speed Big Twin

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Cometic Transmission Bearing Housing Gasket. .032" AFM – 1980–1999 5-Speed Big Twin .032" thick AFM. OEM replacement reference 35652-79A; 35652-79B...

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£35.60
£33.89
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£33.89
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£13.53
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£12.88
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£12.88

Cometic Starter Gear Bolt – 1990–1992 Big Twin

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Cometic Starter Gear Bolt – 1990–1992 Big Twin Cometic o-ring, starter gear bolt Fitment 90-92 Big Twin (NU) Product Details Brand: Cometic Cate...

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£12.88
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£43.18
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£43.18
£41.11
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£41.11

Cometic Gasket Derby Cover. .060" AFM – 1941–1964 Big Twin OHV and Flatheads

Out of stock

Cometic Gasket Derby Cover. .060" AFM – 1941–1964 Big Twin OHV and Flatheads .060" thick AFM (Aluminum Foamet Material). AFM replacement for the OE...

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£41.11
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£12.77
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Cometic Starter Gear Bolt – 1989 Big Twin

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Cometic Starter Gear Bolt – 1989 Big Twin Cometic o-ring, starter gear bolt Fitment 1989 Big Twin (NU) Product Details Brand: Cometic Category: ...

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£68.06
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Cometic Oil Seal Clutch Hub Nut – 1936–1964 FL OHV; 1936–1948 74" FLATHEAD

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Cometic Oil Seal Clutch Hub Nut – 1936–1964 FL OHV; 1936–1948 74" FLATHEAD OEM replacement reference 37337-36 (2461-36) Fitment 36-64 FL OHV; 36-48...

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£64.80
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£11.48
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Cometic Transmission Top Cover Washer. Fiber – 1926–1973 45" (750cc) W; G; EL; FL; FLH…

Out of stock

Cometic Transmission Top Cover Washer. Fiber – 1926–1973 45" (750cc) W; G; EL; FL; FLH… Fiber version of the OEM washer that was made of leather. O...

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£10.93
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£12.69
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Cometic Gasket Transmission Countershaft End Plate. Fiber – 1936–1964 Big Twin; 1936–1948 74"…

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Cometic Gasket Transmission Countershaft End Plate. Fiber – 1936–1964 Big Twin; 1936–1948 74"… .020" fiber. OEM replacement reference 36025-36; 230...

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£24.27
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£23.11
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£23.11

Cometic Cylinder Base Gasket. Rear. .031" Fiber – 1963–1965 Panhead; 1966–1984 Shovelhead

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Cometic Cylinder Base Gasket. Rear. .031" Fiber – 1963–1965 Panhead; 1966–1984 Shovelhead Rear gasket. .031" fiber; a premium hi-temperature; hi-de...

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£23.11
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£24.27
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£23.11
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Cometic Cylinder Base Gasket. Front. .031" Fiber – 1963–1965 Panhead; 1966–1984 Shovelhead

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Cometic Cylinder Base Gasket. Front. .031" Fiber – 1963–1965 Panhead; 1966–1984 Shovelhead Front gasket. .031" fiber; a premium hi-temperature; hi-...

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£23.11
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£27.71
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£26.38
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Cometic Cylinder Base Gasket Set FR/RR. .020" RCS – 1936–1947 61"/74" Knucklehead; 1937–1948…

Out of stock

Cometic Cylinder Base Gasket Set FR/RR. .020" RCS – 1936–1947 61"/74" Knucklehead; 1937–1948… Front & rear set. .020" RCS (Rubber Coated Steel)...

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£26.38
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£13.21
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£12.58
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Cometic Cylinder Base Gasket Set FR/RR .020" Fiber – 1936–1947 61"/74" Knucklehead; 1937–1948…

Out of stock

Cometic Cylinder Base Gasket Set FR/RR .020" Fiber – 1936–1947 61"/74" Knucklehead; 1937–1948… Front & rear set. .020" thick fiber; a premium h...

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£12.58
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£48.47
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£46.15
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£46.15

Cometic Cylinder Head Gasket Set. .043" CMF-20 – 1936–1947 Knucklehead

Out of stock

Cometic Cylinder Head Gasket Set. .043" CMF-20 – 1936–1947 Knucklehead .043" thick CMF-20; a gasket with a perforated stainless steel core with a h...

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£46.15
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£21.56
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£20.53
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Cometic Manifold Intake Seals. Extra Thin for S&S Manifolds – 1984–2017 Big Twin; 1986–2022 XL…

Only 2 left!

Cometic Manifold Intake Seals. Extra Thin for S&S Manifolds – 1984–2017 Big Twin; 1986–2022 XL… Thinner than stock. 1.880" I.D. Viton. Used bet...

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£20.53
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£168.08
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£168.08
£165.75
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£165.75

Cometic EST Motor Gasket Kit. 4-1/8" Bore – 1999–2006 FLT/Touring / FLT/Touring

Only 2 left!

Cometic EST Motor Gasket Kit. 4-1/8" Bore – 1999–2006 FLT/Touring / FLT/Touring This EST (Extreme-Sealing-Technology) gasket set is complete with a...

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£168.08
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£168.08
£165.75
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£165.75
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£168.11
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£168.11
£165.77
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£165.77

Cometic EST Motor Gasket Kit. 4-1/8" Bore – 1999–2006 FLT/Touring / FLT/Touring

Out of stock

Cometic EST Motor Gasket Kit. 4-1/8" Bore – 1999–2006 FLT/Touring / FLT/Touring This EST (Extreme-Sealing-Technology) gasket set is complete with a...

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£168.11
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£168.11
£165.77
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£165.77
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£168.11
£168.11 - £168.11
£168.11
£165.77
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£165.77

Cometic EST Motor Gasket Kit. 4-1/8" Bore – 1999–2005 Dyna; 2000–2006 Softail

Only 2 left!

Cometic EST Motor Gasket Kit. 4-1/8" Bore – 1999–2005 Dyna; 2000–2006 Softail This EST (Extreme-Sealing-Technology) gasket set is complete with all...

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£168.11
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£168.11
£165.77
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£165.77
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£168.08
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£168.08
£165.75
£165.75 - £165.75
£165.75

Cometic EST Motor Gasket Kit. 4-1/8" Bore – 1999–2005 Dyna; 2000–2006 Softail

Only 2 left!

Cometic EST Motor Gasket Kit. 4-1/8" Bore – 1999–2005 Dyna; 2000–2006 Softail This EST (Extreme-Sealing-Technology) gasket set is complete with all...

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£168.08
£168.08 - £168.08
£168.08
£165.75
£165.75 - £165.75
£165.75
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£7.14
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£6.57
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£6.57

Cometic Pushrod Cover Seal Kit. Rubber – 1948–1965 Panhead; 66-E79 Shovelhead

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Cometic Pushrod Cover Seal Kit. Rubber – 1948–1965 Panhead; 66-E79 Shovelhead Flat rubber seals. Fits as a direct replacement for the OEM style cor...

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£7.14
£6.57
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£11.77
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£11.77
£11.21
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£11.21

Cometic Transmission Main Shaft – 2006–2017 Dyna; 2007–2025 Softail…

Out of stock

Cometic Transmission Main Shaft – 2006–2017 Dyna; 2007–2025 Softail… OEM replacement reference 12074. Fitment 06-17 (NU) Dyna; 07-25 Softail; 07-25...

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£11.21
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