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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 Oil Pump Body to Cover O-ring – 1977–1990 XL Sportster

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James Gaskets Oil Pump Body to Cover O-ring – 1977–1990 XL Sportster OEM replacement reference 26434-76A. Fitment 77-90 XL Sportster (NU) Product D...

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£21.88
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£21.58

James Gaskets Oil Pump Check Valve O-ring – 77-E87 XL Sportster

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James Gaskets Oil Pump Check Valve O-ring – 77-E87 XL Sportster OEM replacement reference 26433-77. Fitment 77-E87 XL Sportster (NU) Product Detail...

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£21.58
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£15.48
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£15.27
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£15.27

James Gaskets Gasket Oil Pump Body to Case. .031" Paper – 1977–1990 XL Sportster

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James Gaskets Gasket Oil Pump Body to Case. .031" Paper – 1977–1990 XL Sportster .031" thick fiber reinforced paper. OEM replacement reference 2649...

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£15.27
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£15.27
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£16.51
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£16.28
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£16.28

James Gaskets James Flat O-ring, Kickstart Shaft – 1952–1979 K; XL Sportster; L1937–1986…

in stock

James Gaskets James Flat O-ring, Kickstart Shaft – 1952–1979 K; XL Sportster; L1937–1986… Used between the bushings of the kickstart shaft. OEM rep...

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£16.28
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£27.44
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£27.06
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James Gaskets Gasket Derby Cover. .031" Paper – 70-E84 Big Twin

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James Gaskets Gasket Derby Cover. .031" Paper – 70-E84 Big Twin .031" thick fiber reinforced paper. OEM replacement reference 25416-70. Fitment 70-...

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£27.44
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£27.44
£27.06
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James Gaskets Gasket Derby Cover. Cork – 1941–1964 Big Twin OHV and Flathead

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James Gaskets Gasket Derby Cover. Cork – 1941–1964 Big Twin OHV and Flathead Premium cork/rubber blend material. OEM replacement reference 60565-36...

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£52.05
£52.45
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£32.56
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£32.11
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£32.11

James Gaskets O-ring Inner Primary Cover to Crankcase – 1970–1982 FL; 1971–1984 FX; 1979–1983…

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James Gaskets O-ring Inner Primary Cover to Crankcase – 1970–1982 FL; 1971–1984 FX; 1979–1983… OEM replacement reference 11125. Fitment 70-82 FL; 7...

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£32.56
£32.11
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£32.11
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£33.11
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£32.65
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James Gaskets Gasket Crankcase to Inner Primary. .031" Paper – 1955–1964 FL with OEM Tin Primary

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James Gaskets Gasket Crankcase to Inner Primary. .031" Paper – 1955–1964 FL with OEM Tin Primary .031" thick fiber reinforced paper. Used between t...

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£33.11
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£32.65
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£20.48
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£20.20

James Gaskets Oil Pump Body to Cover Gasket. Paper – 68-E80 Big Twin

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James Gaskets Oil Pump Body to Cover Gasket. Paper – 68-E80 Big Twin OEM replacement reference 26258-68B. Fitment 68-E80 Big Twin (NU) Product Deta...

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£20.20
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£20.48
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James Gaskets Oil Pump Body to Case Gasket. Paper – 68-E80 Big Twin

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James Gaskets Oil Pump Body to Case Gasket. Paper – 68-E80 Big Twin OEM replacement reference 26246-68; 26246-68A. Fitment 68-E80 Big Twin (NU) Pro...

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£20.20
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£11.96
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£11.79
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James Gaskets Tappet Block Gasket. Front. .031" Paper – 1948–1999 Big Twin

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James Gaskets Tappet Block Gasket. Front. .031" Paper – 1948–1999 Big Twin .031" paper. Used between tappet guide and engine base. OEM replacement ...

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£11.96
£11.79
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£11.79
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£11.96
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£11.79
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James Gaskets Tappet Block Gasket. Rear. .031" Paper – 1948–1999 Big Twin

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James Gaskets Tappet Block Gasket. Rear. .031" Paper – 1948–1999 Big Twin .031" fiber reinforced paper. Used between tappet guide and engine base. ...

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£11.96
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£11.79
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£11.79
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£27.61
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£27.22
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£27.22

James Gaskets Oil Pump Body to Case Gaskets. Mylar – 68-E80 Big Twin

Only 2 left!

James Gaskets Oil Pump Body to Case Gaskets. Mylar – 68-E80 Big Twin OEM replacement reference 26246-68; 26246-68A. Mylar is a polyester film gaske...

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£27.61
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£27.61
£27.22
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£27.22
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£26.88
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£26.88
£26.51
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£26.51

James Gaskets Oil Pump Body to Cover Gasket. Mylar – 68-E80 Big Twin

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James Gaskets Oil Pump Body to Cover Gasket. Mylar – 68-E80 Big Twin OEM replacement reference 26258-68; 26258-68B. Mylar is a polyester film gaske...

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£26.88
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£26.88
£26.51
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£26.51
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£23.18
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£22.86
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James Gaskets Oil Pump Body to Cover Gasket. Paper – L1950–1967 Big Twin

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James Gaskets Oil Pump Body to Cover Gasket. Paper – L1950–1967 Big Twin Fiber reinforced paper. OEM replacement reference 26257-50A. Fitment L50-6...

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£23.18
£22.86
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£23.18
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James Gaskets Cylinder Base Gaskets. Rear. .031" Paper – 1948–1962 Panhead

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James Gaskets Cylinder Base Gaskets. Rear. .031" Paper – 1948–1962 Panhead Rear gasket. .031" thick fiber reinforced paper. Final crush .025". OEM ...

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£23.18
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£23.18
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James Gaskets Cylinder Base Gaskets. Front. .031" Paper – 1948–1962 Panhead

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James Gaskets Cylinder Base Gaskets. Front. .031" Paper – 1948–1962 Panhead Front gasket. .031" thick fiber reinforced paper. Final crush .025". OE...

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£22.86
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£32.28
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£31.84
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James Gaskets Sprocket Shaft Oil Seal. Metal OD – 1977–2003 XL Sportster

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James Gaskets Sprocket Shaft Oil Seal. Metal OD – 1977–2003 XL Sportster Single lip. OEM replacement reference 35151-74A. Fitment 77-03 XL Sportste...

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£32.28
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£32.28
£31.84
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£23.06
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£22.74
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James Gaskets Oil Pump Body to Inner Cover Gasket – L1962–1971 XL Sportster

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James Gaskets Oil Pump Body to Inner Cover Gasket – L1962–1971 XL Sportster Paper. OEM replacement reference 26259-62. Fitment L62-71 XL Sportster ...

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£23.06
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£23.06
£22.74
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£19.50
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£19.50
£19.23
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£19.23

James Gaskets Oil Pump Inner Cover to Case Gasket – 1952–1976 K; XL Sportster

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James Gaskets Oil Pump Inner Cover to Case Gasket – 1952–1976 K; XL Sportster Paper. OEM replacement reference 26256-52. Fitment 52-76 K; XL Sports...

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£19.50
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£19.23
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£39.69 - £39.69
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£39.99
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James Gaskets Gasket Cam Cover. .020" Paper – 1941–1969 Big Twin

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James Gaskets Gasket Cam Cover. .020" Paper – 1941–1969 Big Twin .020" thick paper. OEM replacement reference 25225-36C / 598-36. Note: See James 5...

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£39.99
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£23.18
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£22.86
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James Gaskets Oil Pump Body to Outer Cover Gasket. Paper – L1962–1971 XL Sportster

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James Gaskets Oil Pump Body to Outer Cover Gasket. Paper – L1962–1971 XL Sportster Paper. OEM replacement reference 26258-62. Fitment L62-71 XL Spo...

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£23.18
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£23.18
£22.86
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£22.86
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£19.50
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£19.23
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James Gaskets Oil Pump Body to Case Gasket. Paper – 1941–1967 Big Twin

Only 2 left!

James Gaskets Oil Pump Body to Case Gasket. Paper – 1941–1967 Big Twin OEM replacement reference 26245-41 / 589-41. Fitment 41-67 Big Twin (NU) Pro...

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£19.50
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£19.23
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£74.30 - £74.30
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£74.87
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£74.87

James Gaskets Gasket Primary Cover. Cork – 1941–1964 Big Twin with OEM Tin Primary

Only 1 left!

James Gaskets Gasket Primary Cover. Cork – 1941–1964 Big Twin with OEM Tin Primary Premium quality cork strip. OEM replacement reference 60540-36 /...

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£74.30 - £74.30
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