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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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James Gaskets Gasket Transmission Top Cover. .031" Paper – 1991–1998 Dyna

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James Gaskets Gasket Transmission Top Cover. .031" Paper – 1991–1998 Dyna .031" fiber reinforced paper. OEM replacement reference 34917-90A; 34917-...

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James Gaskets Gasket Transmission Top Cover. .031" Paper – 1986–1999 Big Twin

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James Gaskets Gasket Transmission Top Cover. .031" Paper – 1986–1999 Big Twin .031" fiber reinforced paper. OEM replacement reference 34904-86; 349...

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James Gaskets Seal Washer Derby Cover. Nylon – L1984–1998 Big Twin

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James Gaskets Seal Washer Derby Cover. Nylon – L1984–1998 Big Twin 3 used. Nylon. Seal washers for derby cover mount screws. 1/4" ID. OEM replaceme...

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£21.88
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James Gaskets James O-ring, Cyl. Head / Oil Pump Body / Crankcase – Cylinder to Head Stud Oil Return (with…

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James Gaskets James O-ring, Cyl. Head / Oil Pump Body / Crankcase – Cylinder to Head Stud Oil Return (with… Viton rubber. Multi-application. OEM re...

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James Gaskets Seal Washers Derby Cover. Metal Sealing Washer – L1984–1998 Big Twin

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James Gaskets Seal Washers Derby Cover. Metal Sealing Washer – L1984–1998 Big Twin Rubber seal with metal outer. 3 used to mount derby cover. 1/4" ...

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James Gaskets Gasket Derby Cover. .031" Paper/Silicone – 1999–2005 Dyna; 1999–2006 Softail…

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James Gaskets Gasket Derby Cover. .031" Paper/Silicone – 1999–2005 Dyna; 1999–2006 Softail… .031" fiber reinforced paper with a silicone bead. OEM ...

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James Gaskets Cylinder Base O-ring FR/RR – 1999–2017 88" Up to 103" Twin Cam

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James Gaskets Cylinder Base O-ring FR/RR – 1999–2017 88" Up to 103" Twin Cam Front & rear. All 3-3/4" (88"/96") & 3-7/8" (95"/103") bore ap...

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James Gaskets Rocker Box Seal Washers. Copper – 1984–1999 Evo Big Twin; 1986–2008 XL…

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James Gaskets Rocker Box Seal Washers. Copper – 1984–1999 Evo Big Twin; 1986–2008 XL… 8 used. OEM style copper rocker cover washers. OEM replacemen...

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James Gaskets Gasket Primary Cover. .062" Paper/Silicone – 1980–1993 FLT/Touring; FXR

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James Gaskets Gasket Primary Cover. .062" Paper/Silicone – 1980–1993 FLT/Touring; FXR .062" thick fiber reinforced paper with a silicone bead. OEM ...

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James Gaskets James Oil Seal, Transmission Shifter Shaft / Clutch Release – Shifter: L1979–1984 Big Twin; 1986–2005…

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James Gaskets James Oil Seal, Transmission Shifter Shaft / Clutch Release – Shifter: L1979–1984 Big Twin; 1986–2005… 1 used behind shifter lever on...

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James Gaskets Cam Cover Gaskets. .031" Paper – 1993–1999 Evo Big Twin

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James Gaskets Cam Cover Gaskets. .031" Paper – 1993–1999 Evo Big Twin .031" thick paper. OEM replacement reference 25225-93; 25225-93A; 25225-93B F...

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James Gaskets Gasket Transmission Top Cover. .031" Paper – 1980–1985 FLT/Touring; FXR

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James Gaskets Gasket Transmission Top Cover. .031" Paper – 1980–1985 FLT/Touring; FXR .031" fiber reinforced paper. OEM replacement reference 34904...

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James Gaskets Transmission Bearing Housing Gasket. Paper/Silicone – 1980–1999 5-Speed Big Twin

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James Gaskets Transmission Bearing Housing Gasket. Paper/Silicone – 1980–1999 5-Speed Big Twin .031" fiber reinforced paper with a silicone bead. O...

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James Gaskets Gasket Transmission Bearing Housing. .031" Paper – 1980–1999 5-Speed Big Twin

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James Gaskets Gasket Transmission Bearing Housing. .031" Paper – 1980–1999 5-Speed Big Twin .031" fiber reinforced paper. OEM replacement reference...

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£18.41
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James Gaskets Gasket Transmission End Cover. .031" Paper – 1980–1986 FLT/Touring; FXR

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James Gaskets Gasket Transmission End Cover. .031" Paper – 1980–1986 FLT/Touring; FXR .031" thick fiber reinforced paper. Used between transmission...

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£34.10
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James Gaskets Gasket Oil Tank Filter Cap. Cork – L66-E82 4-Speed Big Twin; L1966–1978 XL…

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James Gaskets Gasket Oil Tank Filter Cap. Cork – L66-E82 4-Speed Big Twin; L1966–1978 XL… Fits stock oil tanks on L66-E82 4-speed Big Twins and 52-...

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£33.63
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£21.76
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James Gaskets Gasket Transmission Top Cover. .031" Paper – 36-E79 Big Twin with Ratchet Top…

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James Gaskets Gasket Transmission Top Cover. .031" Paper – 36-E79 Big Twin with Ratchet Top… .031" thick fiber reinforced paper. Fits ratchet top t...

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£14.74
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James Gaskets Gasket Transmission End Cover. .020" Paper – 1936–1986 4-Speed Big Twin

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James Gaskets Gasket Transmission End Cover. .020" Paper – 1936–1986 4-Speed Big Twin .020" fiber reinforced paper. OEM replacement reference 33295...

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James Gaskets Gasket Cam Cover. .031" Paper – 1982–1985 XL Sportster; XR1000

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James Gaskets Gasket Cam Cover. .031" Paper – 1982–1985 XL Sportster; XR1000 .031" thick fiber reinforced paper. OEM replacement reference 25263-81...

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£44.38
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£10.70
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James Gaskets Pushrod Cover O-ring. Large Lower – L1979–1984 Big Twin

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James Gaskets Pushrod Cover O-ring. Large Lower – L1979–1984 Big Twin OEM replacement reference 11133. Fitment L79-84 Big Twin (NU) Product Details...

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£15.53
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James Gaskets Oil Pump Outer Plate Seal. Rubber OD – 1977–1990 XL Sportster

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James Gaskets Oil Pump Outer Plate Seal. Rubber OD – 1977–1990 XL Sportster Rubber Outside Diameter. OEM replacement reference 12036 (metal OD); 12...

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James Gaskets Gasket Primary Cover. .031" Paper/Silicone – 1991–2003 XL Sportster

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James Gaskets Gasket Primary Cover. .031" Paper/Silicone – 1991–2003 XL Sportster .031" thick fiber reinforced paper with a silicone bead. OEM repl...

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£91.18
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James Gaskets Gasket Primary Cover. .031" Paper/Silicone – 1977–1990 XL Sportster

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James Gaskets Gasket Primary Cover. .031" Paper/Silicone – 1977–1990 XL Sportster .031" thick fiber reinforced paper with a silicone bead. OEM repl...

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James Gaskets Gasket Primary Cover. .031" Paper – 1977–1990 XL Sportster

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James Gaskets Gasket Primary Cover. .031" Paper – 1977–1990 XL Sportster .031" thick fiber reinforced paper. OEM replacement reference 34955-75. Fi...

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