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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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£43.36 - £43.36
£43.36
£43.69
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£43.69

James Gaskets Fuel Tank Top Plate Seal. Cork – 1995–2001 Fuel Injected FLT/Touring

Only 2 left!

James Gaskets Fuel Tank Top Plate Seal. Cork – 1995–2001 Fuel Injected FLT/Touring 3mm thick cork. Used between the gas tank and the fuel sender pl...

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£43.36 - £43.36
£43.36
£43.69
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£11.54
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£11.38
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£11.38

James Gaskets Manifold Intake Gasket. Oval Port – 89-Up XR750

Only 2 left!

James Gaskets Manifold Intake Gasket. Oval Port – 89-Up XR750 .031" paper. 2 used. For models with oval intake port. Used between manifold and cyli...

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£11.54
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£11.54
£11.38
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£32.26
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£31.81
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James Gaskets Oil Pump Body to Case Gasket – 72-Up XR750 Dirt Tracker; XRTT750 Road…

Only 2 left!

James Gaskets Oil Pump Body to Case Gasket – 72-Up XR750 Dirt Tracker; XRTT750 Road… Fiber reinforced paper. OEM replacement reference 26259-72R. F...

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£32.26
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£31.81
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£36.44
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£36.44
£35.94
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James Gaskets Quad Seal Derby Cover – L1984–1998 Big Twin

Only 3 left!

James Gaskets Quad Seal Derby Cover – L1984–1998 Big Twin Quad seal replacement for the OEM style O-ring. OEM replacement reference 25416-84. Fitme...

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£36.44
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£36.44
£35.94
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£11.94
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£11.78
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James Gaskets Tappet Block Gasket. Rear. .020" Paper – 1948–1999 Big Twin

Only 2 left!

James Gaskets Tappet Block Gasket. Rear. .020" Paper – 1948–1999 Big Twin .020" paper. Used between tappet guide and engine base. OEM replacement r...

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£11.94
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£11.78
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£27.44
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James Gaskets Lower Valve Spring Cover Washer – 1952–1956 K; KH Flatheads

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James Gaskets Lower Valve Spring Cover Washer – 1952–1956 K; KH Flatheads Vulcanized fiber washer. 4 washers used. OEM replacement reference 18259-...

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£27.44
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£27.06
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£42.21 - £42.21
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James Gaskets Cylinder Base Gasket Set 4" Bore. .020" RCM – 1984–2017 Evo & Twin Cam Style Engines…

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James Gaskets Cylinder Base Gasket Set 4" Bore. .020" RCM – 1984–2017 Evo & Twin Cam Style Engines… .020" RCM (Rubber Coated Metal) base gasket...

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£42.53
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£12.53
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£12.36
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£12.36

James Gaskets Felt Washer. Battery Post Terminal – 1923-1964 H-D

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James Gaskets Felt Washer. Battery Post Terminal – 1923-1964 H-D Round felt isolation washer. OEM replacement reference 66115-23; 4433-23A Fitment ...

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£12.36
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£13.72
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James Gaskets Small Gasket Oil Filter Kit – 1948–1964 OHV Big Twin & 1948 Flathead…

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James Gaskets Small Gasket Oil Filter Kit – 1948–1964 OHV Big Twin & 1948 Flathead… Reinforced paper. Fits OEM and OEM style (900270) Panhead e...

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£13.53
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£26.07
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£25.71
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James Gaskets Front Fender Tip Light Lens – 1980–2001 FL; FLT/Touring; FLSTC Models…

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James Gaskets Front Fender Tip Light Lens – 1980–2001 FL; FLT/Touring; FLSTC Models… Paper reinforced fiber. Used between housing and lens. OEM rep...

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£26.07
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£25.71
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£16.91
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£16.68
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James Gaskets Gasket Clutch Hub – 1952–1953 K; KH; KHR KR KRTT Model

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James Gaskets Gasket Clutch Hub – 1952–1953 K; KH; KHR KR KRTT Model Fiber reinforced paper. OEM replacement reference 37536-52 Fitment 52-53 K; KH...

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£16.91
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£16.68
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£21.13
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£20.83
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£20.83

James Gaskets Transmission Bearing Housing Gasket. RCM/Silicone – 1999–2006 Twin Cam with 6-Speed…

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James Gaskets Transmission Bearing Housing Gasket. RCM/Silicone – 1999–2006 Twin Cam with 6-Speed… RCM (Rubber Coated Metal) with silicone bead. OE...

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£21.13
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£20.83
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£17.32
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£17.08
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James Gaskets Felt Washer Generator – 1932–1948 All H-D; 1949–1954 H-D with…

Out of stock

James Gaskets Felt Washer Generator – 1932–1948 All H-D; 1949–1954 H-D with… Drive end. Old style felt washer. Replacement reference 31041-31; earl...

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£17.32
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£17.08
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£15.11
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£14.90
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£14.90

James Gaskets Fiber Seal, Needle Valve Cap Linkert – 1933–1965 All H-D with Linkert M…

Only 2 left!

James Gaskets Fiber Seal, Needle Valve Cap Linkert – 1933–1965 All H-D with Linkert M… Seal between the float seat needle and the float bowl. OEM r...

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£15.11
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£14.90
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£24.30
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£24.30
£23.97
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£23.97

James Gaskets Camshaft Oil Seal – 75-Up XR750

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James Gaskets Camshaft Oil Seal – 75-Up XR750 Rubber OD. Single lip. OEM replacement reference 25535-74R Fitment 75-up XR750 Product Details Bran...

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£24.30
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£23.97
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£9.63
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£9.63
£9.17
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£9.17

James Gaskets Copper Washer Clutch Cable – 1986–1987 XL883; 1100; 1200

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James Gaskets Copper Washer Clutch Cable – 1986–1987 XL883; 1100; 1200 1 used. OEM replacement reference 25437-86. Fitment 86-87 XL883; 1100; 1200 ...

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£9.63
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£9.63
£9.17
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£19.50
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£19.23
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James Gaskets James Seal, Primary Oil Deflector Rubber Chain Lube Tube – 1939–1954 B.T OHV; 1939–1948 Big Twin…

Only 2 left!

James Gaskets James Seal, Primary Oil Deflector Rubber Chain Lube Tube – 1939–1954 B.T OHV; 1939–1948 Big Twin… Rubber seal. Fits inside of inner p...

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£19.50
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£19.23
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£16.91
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£16.68
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£16.68

James Gaskets O-ring Valve Spring Cover – 1952–1956 K; KH Flatheads

Only 2 left!

James Gaskets O-ring Valve Spring Cover – 1952–1956 K; KH Flatheads 4 used. For K Model Flatheads. OEM replacement reference 18266-55. Fitment 52-5...

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£16.91
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£16.68
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£10.14
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£10.14
£9.65
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James Gaskets Valve Guide Seal Kit. Viton. 4-Pk – 1984–1999 Evo Big Twin; 1999–2004 Twin…

Only 4 left!

James Gaskets Valve Guide Seal Kit. Viton. 4-Pk – 1984–1999 Evo Big Twin; 1999–2004 Twin… Replacement OEM style valve stem seals in heat resistant ...

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£10.14
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£10.14
£9.65
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£42.21 - £42.21
£42.21
£42.53
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£42.53

James Gaskets Cylinder Base. RCM .022" – 1937–1947 74" Knuckle; 74/80" Big Twin…

Only 2 left!

James Gaskets Cylinder Base. RCM .022" – 1937–1947 74" Knuckle; 74/80" Big Twin… .022" RCM (Rubber Coated Metal). Final crush .020". OEM replacemen...

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£42.21
£42.53
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£42.88
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James Gaskets Oil Seal Starter Shaft. Single Lip – 1994–2006 Big Twin

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James Gaskets Oil Seal Starter Shaft. Single Lip – 1994–2006 Big Twin Single lip. Fits backside of inner primary cover where it seals the starter s...

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£42.88
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£25.86
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£25.50
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James Gaskets Shifter Shaft Oil Seal. Metal OD – 1980–2006 5-Speed Big Twin

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James Gaskets Shifter Shaft Oil Seal. Metal OD – 1980–2006 5-Speed Big Twin Metal Outside Diameter. OEM replacement reference 12045. Note: See 9620...

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£25.86
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£25.50
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£14.35
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£14.15
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£14.15

James Gaskets Oil Seal Transmission Mainshaft. Double Lip – 80-E84 FLT/Touring; FXR

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James Gaskets Oil Seal Transmission Mainshaft. Double Lip – 80-E84 FLT/Touring; FXR Metal OD. OEM replacement reference 12044A. For 5-speed models ...

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£14.35
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£14.15
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£27.44
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£27.06
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James Gaskets Oil Seal Starter Shaft. Metal OD – 80-E84 FLT/Touring; FXR

Only 2 left!

James Gaskets Oil Seal Starter Shaft. Metal OD – 80-E84 FLT/Touring; FXR Metal OD. OEM replacement reference 12043. Fitment 80-E84 FLT/Touring; FXR...

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£27.44
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£27.06
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