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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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Cometic Cylinder Base Gasket Set. Fiber 3-13/16" Big Bore – 1984–1999 Evo Big Twin with 3-13/16" Big…

Out of stock

Cometic Cylinder Base Gasket Set. Fiber 3-13/16" Big Bore – 1984–1999 Evo Big Twin with 3-13/16" Big… Front & rear gasket for one engine. .020"...

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£27.71
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Cometic Cylinder Base Gasket Set. SLS 3-5/8-3-3/4" Big Bore – 1984–1999 Evo Big Twin with 3-5/8" or…

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Cometic Cylinder Base Gasket Set. SLS 3-5/8-3-3/4" Big Bore – 1984–1999 Evo Big Twin with 3-5/8" or… Front & rear gasket for one engine. .020" ...

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£9.77
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Cometic Cylinder Base Gasket Set. Fiber 3-5/8" Big Bore – 1984–1999 Evo Big Twin with 3-5/8" Big…

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Cometic Cylinder Base Gasket Set. Fiber 3-5/8" Big Bore – 1984–1999 Evo Big Twin with 3-5/8" Big… Front & rear gasket for one engine. .020" fib...

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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 – 1984–1999 Evo Big Twin

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Cometic Cylinder Base Gasket Set FR/RR. .020" RCS – 1984–1999 Evo Big Twin Type ''A''. .020" thick RCS (Rubber Coated Steel); an embossed steel cor...

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£5.45
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Cometic Cylinder Base Gasket Set FR/RR. .020" Fiber – 1984–1999 Evo Big Twin

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Cometic Cylinder Base Gasket Set FR/RR. .020" Fiber – 1984–1999 Evo Big Twin Type ''A''. .020" thick fiber; a premium hi-temperature; hi-density cr...

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Cometic Valve Guide Seals. Viton – 1984–1999 Evo Big Twin; 1999–2004 Twin…

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Cometic Valve Guide Seals. Viton – 1984–1999 Evo Big Twin; 1999–2004 Twin… Viton rubber. Valve stem seals can be used; and are recommended; on all ...

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Cometic Pushrod Cover O-ring. Lower – 1984–2025 Big Twin; 1986–1990 XL…

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Cometic Pushrod Cover O-ring. Lower – 1984–2025 Big Twin; 1986–1990 XL… OEM replacement reference 11145. Fitment 84-25 Big Twin; 86-90 (NU) XL Spor...

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Cometic Pushrod Cover / Dipstick / Oil Pump – Dipstick Cover; Upper (1 Used):…

Out of stock

Cometic Pushrod Cover / Dipstick / Oil Pump – Dipstick Cover; Upper (1 Used):… OEM replacement reference 11132; 11132A. Fitment Dipstick cover; upp...

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James Gaskets Exhaust Crossover Tube Gasket (2) – 2000–2009 Softail; 2004–2013 XL…

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James Gaskets Exhaust Crossover Tube Gasket (2) – 2000–2009 Softail; 2004–2013 XL… Fits most models with the stock exhaust crossover (interconnect)...

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James Gaskets Exhaust Crossover Tube Gasket (2) – 1991–2009 Dyna; 2001–2002 FLSTF/I…

in stock

James Gaskets Exhaust Crossover Tube Gasket (2) – 1991–2009 Dyna; 2001–2002 FLSTF/I… Fits most models with the stock exhaust crossover (interconnec...

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James Gaskets Exhaust Crossover Tube Gasket (2) – 1982–1994 FXR; 1984–1999 All Softail…

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James Gaskets Exhaust Crossover Tube Gasket (2) – 1982–1994 FXR; 1984–1999 All Softail… Fits most models with the stock exhaust crossover (intercon...

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James Gaskets Gasket Transmission Shifter Adapter Plate. Paper – 52-E79 Big Twin with Foot Shift

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James Gaskets Gasket Transmission Shifter Adapter Plate. Paper – 52-E79 Big Twin with Foot Shift .020" fiber reinforced paper. Fits with ratchet to...

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£23.49
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James Gaskets Oil Pump Body to Cover Gasket. Mylar – L1980–1991 Big Twin

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James Gaskets Oil Pump Body to Cover Gasket. Mylar – L1980–1991 Big Twin OEM replacement reference 26276-80A. Mylar is a polyester film gasket mate...

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James Gaskets O-ring Pushrod Cover. Lower – 1991–2003 XL Sportster

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James Gaskets O-ring Pushrod Cover. Lower – 1991–2003 XL Sportster 4 used. OEM replacement reference 17944-89. Fitment 91-03 XL Sportster (NU) Prod...

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

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James Gaskets Oil Pump Cover Plate to Body Gasket. Paper – 41-E50 EL; FL; FLH OEM replacement reference 26257-41 / 685-41. Fitment 41-E50 EL; FL; F...

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£22.50
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James Gaskets Linkert Carburetor Float Bowl Gasket – 1936–1965 OHV Models

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James Gaskets Linkert Carburetor Float Bowl Gasket – 1936–1965 OHV Models For M-5; 25; 35; 35T; 36; 45; 45A; 61; 74; 74B; 75 Linkert carburetors. O...

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James Gaskets Seal Washer Transmission Fill Plug – 1980–1986 5-Speed Big Twin

Out of stock

James Gaskets Seal Washer Transmission Fill Plug – 1980–1986 5-Speed Big Twin White nylon. Transmission oil dipstick / transmission filler plug. OE...

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£12.42
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James Gaskets Throttle Body to Air Cleaner Housing. Foamet – 2008–2013 FLT/Touring

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James Gaskets Throttle Body to Air Cleaner Housing. Foamet – 2008–2013 FLT/Touring Foamet. Used between induction module and air cleaner backplate....

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James Gaskets Valve Guide Seal Set. Viton 10-Pk – L1981–1984 Shovelhead

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James Gaskets Valve Guide Seal Set. Viton 10-Pk – L1981–1984 Shovelhead Replacement OEM style valve stem seals in heat resistant Viton rubber. Fitm...

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James Gaskets Exhaust Valve Guide Seal. Viton. 10-Pk – 1957–1985 XL Sportster

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James Gaskets Exhaust Valve Guide Seal. Viton. 10-Pk – 1957–1985 XL Sportster Exhaust seals only. Valve guide seals in heat resistant Viton rubber....

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James Gaskets Valve Guide Seal Set. 10-Pk. Viton – 1948–1965 Panhead; 66-E79 Shovelhead

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James Gaskets Valve Guide Seal Set. 10-Pk. Viton – 1948–1965 Panhead; 66-E79 Shovelhead Valve stem seals in heat resistant Viton rubber. Compatible...

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James Gaskets Valve Guide Seal Kit. 4-Pk. Viton – 1948–1965 Panhead; 66-E79 Shovelhead

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James Gaskets Valve Guide Seal Kit. 4-Pk. Viton – 1948–1965 Panhead; 66-E79 Shovelhead Valve stem seals in heat resistant Viton rubber. Compatible ...

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£21.32
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James Gaskets Intake Valve Guide Seals. Viton 10-Pk – 1957–1985 XL Sportster

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James Gaskets Intake Valve Guide Seals. Viton 10-Pk – 1957–1985 XL Sportster Intake seals only. Replacement OEM style valve stem seals in heat resi...

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James Gaskets Turn Signal Lens Gasket – 1971–1973 FX (Front); 1963–1985 FL; FLH…

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James Gaskets Turn Signal Lens Gasket – 1971–1973 FX (Front); 1963–1985 FL; FLH… Foam. Used between the turn signal housing and the turn signal len...

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