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Dyna – Gaskets & Kits

Browse gaskets & kits selected for Harley-Davidson Dyna motorcycles. Product choices in this section include gaskets, seals and service parts. Check each listing for exact model-year fitment, dimensions and installation requirements.

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£136.28
£136.28 - £136.28
£136.28
£134.95
£134.95 - £134.95
£134.95

Cometic Est Motor Only Gasket Kit. 4" Bore – 1999–2017 Twin Cam (for 1999–2004 Early…

Low stock

Description With .040" MLS (Multi Layer Steel) head gaskets. With 99-10 style breather gaskets & 99-04 early style valve stem seals. This EST (...

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£136.28
£136.28 - £136.28
£136.28
£134.95
£134.95 - £134.95
£134.95
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£31.13
£31.13 - £31.13
£31.13
£29.76
£29.76 - £29.76
£29.76

Cometic Gasket Derby Cover – 2006–2017 Dyna; 2007–2018 Softail…

Low stock

Description Quad seal. OEM replacement reference 17369-06. Fitment 06-17 (NU) Dyna; 07-18 (NU) Softail (excl. 2018 FLSB Sport Glide); 07-25 FLT/Tou...

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£31.13
£31.13 - £31.13
£31.13
£29.76
£29.76 - £29.76
£29.76
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£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49

Cometic Cylinder Base Gasket Set. Sls 4-1/8" Big Bore – 1999–2017 Twin Cam with 4-1/8" Bore…

Out of stock

Description Front & rear gasket for one engine. .010" thick SLS (Single Layer Steel); a non-embossed steel core with a .001" thick coating of h...

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£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49
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£22.53 - £22.53
£22.53
£24.59
£24.59 - £24.59
£24.59

Cometic Oil Pump Gasket & Seal Kit. 92-99 Evo B.t – 1992–1999 Evo Big Twin

Low stock

Description With paper gaskets. Complete as shown. Fitment 92-99 Evo Big Twin (NU) Product Details Brand: Cometic Category: MOTOR PARTS > OIL...

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£22.53 - £22.53
£22.53
£24.59
£24.59 - £24.59
£24.59
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£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95

Cometic Cylinder Head Gaskets 3-7/8" Bore .051" Mls – 1999–2017 Twin Cam. with 3-7/8" Bore…

Low stock

Description MLS (Multi Layer Steel). Front & rear gasket for one engine. 3-7/8" (3.875") fits 88" to 95"(1550cc) big bore conversions and is st...

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£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95
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Save 4% Save %
£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49

Cometic Cylinder Base Gasket Set. Sls 4-1/8" Big Bore – 1984–1999 Evo Big Twin with Tp 4-1/8"…

Low stock

Description Front & rear gasket for one engine. .020" thick SLS (Single Layer Steel); a non-embossed steel core with a .001" thick coating of h...

View full details
£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49
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£100.73
£100.73 - £100.73
£100.73
£96.07
£96.07 - £96.07
£96.07

Cometic Primary Cover Gasket & Seal Kit. Afm – 2007–2017 Softail; 2006–2017 Dyna

Low stock

Description Complete outer & inner primary cover gasket sets including all necessary o-rings and seals for 6-speed models. With AFM (Aluminum F...

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£100.73
£100.73 - £100.73
£100.73
£96.07
£96.07 - £96.07
£96.07
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Sold out
£136.28
£136.28 - £136.28
£136.28
£134.95
£134.95 - £134.95
£134.95

Cometic Est Motor Only Gasket Kit. 4" Bore – 1999–2017 Twin Cam (for 1999–2004 Early…

Out of stock

Description With .030" MLS (Multi Layer Steel) head gaskets. With 99-10 style breather gaskets & 99-04 early style valve stem seals. This EST (...

View full details
£136.28
£136.28 - £136.28
£136.28
£134.95
£134.95 - £134.95
£134.95
Sold out
£22.43 - £22.43
£22.43
£25.13
£25.13 - £25.13
£25.13

Cometic O-Ring Derby Cover – 1999–2005 Dyna; 1999–2006 Softail…

Low stock

Description OEM replacement reference 25416-99; 25416-99A; 25416-99B. Fitment 99-05 Dyna; 99-06 Softail; FLT/Touring (NU) Product Details Brand: ...

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£22.43 - £22.43
£22.43
£25.13
£25.13 - £25.13
£25.13
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£168.11
£168.11 - £168.11
£168.11
£166.47
£166.47 - £166.47
£166.47

Cometic Est Motor Gasket Kit. 3-7/8" Bore – 2000–2006 Softail; 1999–2005 Dyna…

Low stock

Description This EST (Extreme-Sealing-Technology) gasket set is complete with all gaskets; seals and o-rings that are used on this model; including...

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£168.11
£168.11 - £168.11
£168.11
£166.47
£166.47 - £166.47
£166.47
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Save 4% Save %
£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49

Cometic Cylinder Base Gasket Set. Sls 4" Big Bore – 1984–1999 Evo Big Twin with S&S & Tp 4"…

Low stock

Description Front & rear gasket for one engine. .020" thick SLS (Single Layer Steel); a non-embossed steel core with a .001" thick coating of h...

View full details
£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49
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Save 4% Save %
£31.13
£31.13 - £31.13
£31.13
£29.99
£29.99 - £29.99
£29.99

Cometic Gasket Derby Cover. .060" Afm – 1999–2005 Dyna; 1999–2006 Softail…

Low stock

Description .060" thick AFM (Aluminum Foamet Material). OEM replacement reference 25416-99C. Cometic''s AFM gaskets have an aluminum core with a ch...

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£31.13
£31.13 - £31.13
£31.13
£29.99
£29.99 - £29.99
£29.99
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£62.23
£62.23 - £62.23
£62.23
£59.50
£59.50 - £59.50
£59.50

Cometic 6-Speed Transmission Gasket & Seal Kit – 2006–2017 Dyna

Low stock

Description Everything you need when assembling the transmission. Fitment 06-17 Dyna (NU) Product Details Brand: Cometic Category: GASKETS > ...

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£62.23
£62.23 - £62.23
£62.23
£59.50
£59.50 - £59.50
£59.50
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£120.82
£120.82 - £120.82
£120.82
£119.64
£119.64 - £119.64
£119.64

Cometic Est Top End Gasket Kit. Twin Cam 3-3/4" Bore – 1999–2017 88/96" Twin Cam

Out of stock

Description With MLS (Multi-Layer-Steel) .030" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cover gaskets ...

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£120.82
£120.82 - £120.82
£120.82
£119.64
£119.64 - £119.64
£119.64
Sold out
Save 4% Save %
£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49

Cometic Cylinder Base Gasket Set. Sls 4-1/8" Big Bore – 1984–1999 Evo Big Twin with Tp 4-1/8"…

Low stock

Description Front & rear gasket for one engine. .010" thick SLS (Single Layer Steel); a non-embossed steel core with a .001" thick coating of h...

View full details
£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49
Save 4% Save %
Save 4% Save %
£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49

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

Low stock

Description Front & rear gasket for one engine. .020" thick SLS (Single Layer Steel); a non-embossed steel core with a .001" thick coating of h...

View full details
£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49
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Save 4% Save %
£38.11
£38.11 - £38.11
£38.11
£36.43
£36.43 - £36.43
£36.43

Cometic Cam Cover Gaskets. .032" Afm – 1993–1999 Evo Big Twin

Low stock

Description .032" thick AFM (Aluminum Foamet Material). AFM gaskets are made with an aluminum core with a chemically blown; compounded nitrile synt...

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£38.11
£38.11 - £38.11
£38.11
£36.43
£36.43 - £36.43
£36.43
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Sold out
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95

Cometic Cylinder Head Gaskets 3-7/8" Bore .045" Mls – 1999–2017 Twin Cam. with 3-7/8" Bore…

Out of stock

Description MLS (Multi Layer Steel). Front & rear gasket for one engine. 3-7/8" (3.875") fits 88" to 95"(1550cc) big bore conversions and is st...

View full details
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95
Sold out
Save 4% Save %
£44.59
£44.59 - £44.59
£44.59
£42.63
£42.63 - £42.63
£42.63

Cometic Cam Cover Gasket. .032" Afm – 1999–2017 Twin Cam

Low stock

Description .032" thick AFM (Aluminum Foamet Material). AFM gaskets are made with an aluminum core with a chemically blown; compounded nitrile synt...

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£44.59
£44.59 - £44.59
£44.59
£42.63
£42.63 - £42.63
£42.63
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Save 4% Save %
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95

Cometic Cylinder Head Gasket Set. 4.00" .030" Mls – 1984–1999 Evo Big Twin (S&S & Tp 4" Big…

Low stock

Description .030" thick MLS (Multi Layer Steel). Consists of a top and bottom layer of embossed stainless steel with both side coated with 250°C hi...

View full details
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95
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Save 4% Save %
£33.65
£33.65 - £33.65
£33.65
£32.18
£32.18 - £32.18
£32.18

Cometic Cam Cover Gaskets. .032" Afm – 1970–1992 Big Twin

Low stock

Description .032" thick AFM (Aluminum Foamet Material). AFM gaskets are made with an aluminum core with a chemically blown; compounded nitrile synt...

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£33.65
£33.65 - £33.65
£33.65
£32.18
£32.18 - £32.18
£32.18
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Sold out
£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49

Cometic Cylinder Base Gasket Set. Sls 4-1/8" Big Bore – 1999–2017 Twin Cam with 4-1/8" Bore…

Out of stock

Description Front & rear gasket for one engine. .020" thick SLS (Single Layer Steel); a non-embossed steel core with a .001" thick coating of h...

View full details
£27.71
£27.71 - £27.71
£27.71
£26.49
£26.49 - £26.49
£26.49
Sold out
Save 4% Save %
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95

Cometic Cylinder Head Gasket Set. 4-1/8" .040" Mls – 1984–1999 Evo Big Twin with Tp…

Low stock

Description .040" thick MLS (Multi Layer Steel). Consists of a top and bottom layer of embossed stainless steel with both side coated with 250°C hi...

View full details
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95
Save 4% Save %
Save 4% Save %
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95

Cometic Cylinder Head Gasket Set. 4-1/8" .030" Mls – 1984–1999 Evo Big Twin with Tp…

Low stock

Description .030" thick MLS (Multi Layer Steel). Consists of a top and bottom layer of embossed stainless steel with both side coated with 250°C hi...

View full details
£51.20
£51.20 - £51.20
£51.20
£48.95
£48.95 - £48.95
£48.95
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