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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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£33.10
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James Gaskets Oil Seal Rocker Arm – 1936–1947 Knucklehead

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James Gaskets Oil Seal Rocker Arm – 1936–1947 Knucklehead Replacement for OEM 17475-38; 120-38. Fitment 36-47 Knucklehead (NU) Product Details Br...

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£21.76
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£21.45
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£21.45

James Gaskets Gasket Carburetor to Manifold. 1-1/4" Linkert – 1937–1951 45"; 74"; 80" Flatheads. With…

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James Gaskets Gasket Carburetor to Manifold. 1-1/4" Linkert – 1937–1951 45"; 74"; 80" Flatheads. With… .062" fiber reinforced paper. Used for 3-bol...

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£21.45
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£13.26
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£13.07
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James Gaskets Carburetor to Manifold Gasket – 1961–1965 45" (750cc) Servi-Cars…

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James Gaskets Carburetor to Manifold Gasket – 1961–1965 45" (750cc) Servi-Cars… .031" paper. OEM replacement reference 27414-61 Fitment 61-65 45" (...

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£13.26
£13.07
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£23.95
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£23.62
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James Gaskets Carb/Throttle Body to Air Cleaner Housing Gasket – CV Carburetor: 1995–2000 Evo Big Twin…

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James Gaskets Carb/Throttle Body to Air Cleaner Housing Gasket – CV Carburetor: 1995–2000 Evo Big Twin… .055" paper. Fits between carb & air cl...

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£23.95
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£23.62
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£10.72
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£10.72
£10.57
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James Gaskets Carb to Air Cleaner Housing Gasket. Keihin CV – 1990–1999 Evo Big Twin; 1988–2003 XL…

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James Gaskets Carb to Air Cleaner Housing Gasket. Keihin CV – 1990–1999 Evo Big Twin; 1988–2003 XL… .031" fiber reinforced paper. OEM replacement r...

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£10.72
£10.57
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£10.57
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£10.72
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£10.57
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James Gaskets Carb to Air Cleaner Housing Gasket. Keihin CV – 1990–1999 Evo Big Twin; 1988–2003 XL…

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James Gaskets Carb to Air Cleaner Housing Gasket. Keihin CV – 1990–1999 Evo Big Twin; 1988–2003 XL… .031" fiber reinforced paper with a steel core....

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£10.72
£10.57
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£10.57
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£44.75
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£42.60
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£42.60

Cometic Gasket Rocker Cover – 1936–1947 Knucklehead

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Cometic Gasket Rocker Cover – 1936–1947 Knucklehead Front intake; rear exhaust. OEM replacement reference 17535-38; 175-38 Fitment 36-47 Knucklehea...

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£44.75
£42.60
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£42.60
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£136.28
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£136.28
£134.38
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£134.38

Cometic EST Motor Only Gasket Kit. 3-3/4" Bore – 1999–2006 88" Twin Cam

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Cometic EST Motor Only Gasket Kit. 3-3/4" Bore – 1999–2006 88" Twin Cam With .040" MLS (Multi Layer Steel) head gaskets. 99-04 style early valve st...

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£136.28
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£136.28
£134.38
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£27.71
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£26.38
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£26.38

Cometic Cylinder Base Gaskets. MLS 3-5/8" Big Bore (Pr) – 1963–1965 Panhead; 1966–1984 Shovelhead.…

Out of stock

Cometic Cylinder Base Gaskets. MLS 3-5/8" Big Bore (Pr) – 1963–1965 Panhead; 1966–1984 Shovelhead.… Front & rear gasket for one engine. .020" M...

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£27.71
£26.38
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£26.38
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£27.71
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£27.71
£26.38
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£26.38

Cometic Cylinder Base Gasket Set FR/RR. .020" RCS – 1963–1965 Panhead; 1966–1984 Shovelhead

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Cometic Cylinder Base Gasket Set FR/RR. .020" RCS – 1963–1965 Panhead; 1966–1984 Shovelhead Front & rear set. With two oil holes. .020" thick R...

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£27.71
£26.38
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£26.38
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£120.82
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£120.82
£119.14
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£119.14

Cometic EST Top End Gasket Kit. Twin Cam 4-1/8" Bore – 1999–2017 Twin Cam with 4-1/8" Bore

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Cometic EST Top End Gasket Kit. Twin Cam 4-1/8" Bore – 1999–2017 Twin Cam with 4-1/8" Bore With MLS (Multi-Layer-Steel) .040" thick head gaskets. S...

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£120.82
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£120.82
£119.14
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£119.14
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£115.11
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£115.11
£113.51
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£113.51

Cometic EST Top End Gasket Kit. XL1200 – 2004–2006 XL1200

Out of stock

Cometic EST Top End Gasket Kit. XL1200 – 2004–2006 XL1200 With 3.50" bore MLS (Multi-Layer-Steel) .030" thick head gaskets. SLS (Single-Layer-Steel...

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£115.11
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£115.11
£113.51
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£113.51
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£222.10 - £222.10
£222.10
£223.81
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£223.81

Cometic EST Motor Gasket Kit – 2007–2022 XL1200

Only 2 left!

Cometic EST Motor Gasket Kit – 2007–2022 XL1200 This EST (Extreme-Sealing-Technology) gasket set is complete with all gaskets; seals and o-rings th...

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£222.10 - £222.10
£222.10
£223.81
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£223.81
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£222.10
£223.81
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Cometic EST Motor Gasket Kit – 2007–2022 XL883

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Cometic EST Motor Gasket Kit – 2007–2022 XL883 This EST (Extreme-Sealing-Technology) gasket set is complete with all gaskets; seals and o-rings tha...

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£222.10 - £222.10
£222.10
£223.81
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£223.81
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£223.81
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Cometic EST Motor Gasket Kit – 2004–2006 XL883

Only 2 left!

Cometic EST Motor Gasket Kit – 2004–2006 XL883 This EST (Extreme-Sealing-Technology) gasket set is complete with all gaskets; seals and o-rings tha...

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£222.10 - £222.10
£222.10
£223.81
£223.81 - £223.81
£223.81
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£161.18
£161.18 - £161.18
£161.18
£158.94
£158.94 - £158.94
£158.94

Cometic EST Motor Gasket Kit – 2004–2006 XL1200

Only 2 left!

Cometic EST Motor Gasket Kit – 2004–2006 XL1200 This EST (Extreme-Sealing-Technology) gasket set is complete with all gaskets; seals and o-rings th...

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£161.18
£161.18 - £161.18
£161.18
£158.94
£158.94 - £158.94
£158.94
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£221.09 - £221.09
£221.09
£222.79
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£222.79

Cometic EST Motor Gasket Kit. 3-7/8" Bore – 2006–2017 103" Dyna

Only 2 left!

Cometic EST Motor Gasket Kit. 3-7/8" Bore – 2006–2017 103" Dyna This EST (Extreme-Sealing-Technology) gasket set is complete with all gaskets; seal...

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£221.09 - £221.09
£221.09
£222.79
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£222.79
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£222.79
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Cometic EST Motor Gasket Kit. 3-7/8" Bore – 2007–2017 103" FLT/Touring

Only 1 left!

Cometic EST Motor Gasket Kit. 3-7/8" Bore – 2007–2017 103" FLT/Touring This EST (Extreme-Sealing-Technology) gasket set is complete with all gasket...

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£221.09 - £221.09
£221.09
£222.79
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£222.79
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£221.09 - £221.09
£221.09
£222.79
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£222.79

Cometic EST Motor Gasket Kit. 3-7/8" Bore – 2007–2017 103" Softail

Out of stock

Cometic EST Motor Gasket Kit. 3-7/8" Bore – 2007–2017 103" Softail This EST (Extreme-Sealing-Technology) gasket set is complete with all gaskets; s...

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£221.09 - £221.09
£221.09
£222.79
£222.79 - £222.79
£222.79
Sold out
£221.09 - £221.09
£221.09
£222.79
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£222.79

Cometic EST Motor Gasket Kit. 3-3/4" Bore – 2007–2015 96" FLT/Touring

Only 2 left!

Cometic EST Motor Gasket Kit. 3-3/4" Bore – 2007–2015 96" FLT/Touring This EST (Extreme-Sealing-Technology) gasket set is complete with all gaskets...

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£221.09 - £221.09
£221.09
£222.79
£222.79 - £222.79
£222.79
Sold out
£221.09 - £221.09
£221.09
£222.79
£222.79 - £222.79
£222.79

Cometic EST Motor Gasket Kit. 3-3/4" Bore – 2007–2015 96" Softail

Out of stock

Cometic EST Motor Gasket Kit. 3-3/4" Bore – 2007–2015 96" Softail This EST (Extreme-Sealing-Technology) gasket set is complete with all gaskets; se...

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£221.09 - £221.09
£221.09
£222.79
£222.79 - £222.79
£222.79
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£123.59
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£123.59
£121.87
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£121.87

Cometic EST Top End Gasket Kit. Twin Cam 4" Bore – 1999–2017 110" Twin Cam

Only 3 left!

Cometic EST Top End Gasket Kit. Twin Cam 4" Bore – 1999–2017 110" Twin Cam With MLS (Multi-Layer-Steel) .040" thick head gaskets. .010" SLS (Single...

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£123.59
£123.59 - £123.59
£123.59
£121.87
£121.87 - £121.87
£121.87
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£273.75 - £273.75
£273.75
£275.86
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£275.86

Cometic EST Motor Only Gasket Kit. 4" Bore – 1984–1999 4" Bore S&S 100/107/113"…

Only 1 left!

Cometic EST Motor Only Gasket Kit. 4" Bore – 1984–1999 4" Bore S&S 100/107/113"… With .040" MLS (Multi Layer Steel) head gaskets. This EST (Ext...

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£273.75 - £273.75
£273.75
£275.86
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£275.86
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£273.75
£275.86
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Cometic EST Motor Gasket Kit. 3-5/8" Big Bore – 1992–1999 Evo Big Twin

Only 2 left!

Cometic EST Motor Gasket Kit. 3-5/8" Big Bore – 1992–1999 Evo Big Twin This EST (Extreme-Sealing-Technology) gasket set is complete with all gasket...

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£273.75 - £273.75
£273.75
£275.86
£275.86 - £275.86
£275.86

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