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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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£23.08
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£21.98

Cometic Manifold Intake Seals – 1984–2017 Big Twin; 1986–2022 XL…

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Cometic Manifold Intake Seals – 1984–2017 Big Twin; 1986–2022 XL… Used between manifold and cylinder head. OEM replacement reference 26995-86B and ...

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£23.08
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£23.08
£21.98
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£21.98
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£46.02
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£43.82
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£43.82

Cometic Exhaust Gasket. 84-90/10-Up Style – 1984–2026 Big Twin; 1986–2022 XL…

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Cometic Exhaust Gasket. 84-90/10-Up Style – 1984–2026 Big Twin; 1986–2022 XL… OEM style replacement. Early style. OEM replacement reference 65324-8...

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£46.02
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£46.02
£43.82
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£43.82
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£35.24
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£35.24
£33.55
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£33.55

Cometic Sprocket Shaft Oil Seals – 1999–2017 Twin Cam; 2004–2022 XL…

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Cometic Sprocket Shaft Oil Seals – 1999–2017 Twin Cam; 2004–2022 XL… Metal OD. OEM replacement reference 12068 Fitment 99-17 Twin Cam; 04-22 XL Spo...

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£35.24
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£35.24
£33.55
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£33.55
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£4.79
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£4.79
£4.40
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£4.40

Cometic O-ring – Piston Cooling Jets (2): 2001 Only FLT.…

Out of stock

Cometic O-ring – Piston Cooling Jets (2): 2001 Only FLT.… Multi-application. Approx. dimensions: 16mm OD x 12mm ID. OEM replacement reference 11289...

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£4.79
£4.40
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£4.40
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£13.86
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£13.20
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£13.20

Cometic Cyl. Head / Oil Pump Body / Crankcase – Cylinder to Head Stud Oil Return (with…

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Cometic Cyl. Head / Oil Pump Body / Crankcase – Cylinder to Head Stud Oil Return (with… Multiple application. OEM replacement reference 26432-76A. ...

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£13.86
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£13.86
£13.20
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£74.29
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£74.29
£71.72
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£71.72

Cometic Cam Cover Gaskets. .060" AFM – 1952–1981 K; XL Sportster

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Cometic Cam Cover Gaskets. .060" AFM – 1952–1981 K; XL Sportster .060" thick AFM (Aluminum Foamet Material). AFM gaskets are made with an aluminum ...

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£74.29
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£74.29
£71.72
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£71.72
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£96.73
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£96.73
£93.38
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£93.38

Cometic Gasket Cam Cover. .060" AFM – 1982–1985 XL Sportster; XR1000

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Cometic Gasket Cam Cover. .060" AFM – 1982–1985 XL Sportster; XR1000 .060" thick AFM (Aluminum Foamet Material). AFM gaskets are made with an alumi...

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£96.73
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£96.73
£93.38
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£93.38
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£12.30
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£11.71
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£11.71

Cometic Distributor Base Gasket – 1954–1956 K; 1957–1969 XL Sportster…

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Cometic Distributor Base Gasket – 1954–1956 K; 1957–1969 XL Sportster… Used between distributor and case. OEM replacement reference 32522-37 / earl...

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£12.30
£11.71
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£6.44
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Cometic Distributor Base Gasket – 1936–1947 Knucklehead; 1948–1965…

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Cometic Distributor Base Gasket – 1936–1947 Knucklehead; 1948–1965… OEM replacement reference 32521-36 / early 1541-36. Fitment 36-47 Knucklehead; ...

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£6.44
£5.92
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£11.95
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£11.38
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£11.38

Cometic Camshaft Seal. Double Lip – 1971–2003 XL Sportster

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Cometic Camshaft Seal. Double Lip – 1971–2003 XL Sportster Double lip. Metal OD. OEM replacement reference 11124. Fitment 71-03 XL Sportster (NU) P...

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£11.95
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£11.95
£11.38
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£11.38
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£21.56
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£20.53
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£20.53

Cometic Camshaft Seal. Double Lip. Rubber OD – Camshaft: 1970–1999 Big Twin; S&S…

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Cometic Camshaft Seal. Double Lip. Rubber OD – Camshaft: 1970–1999 Big Twin; S&S… Double lip. Rubber OD. OEM replacement reference 83162-51. Fi...

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£21.56
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£21.56
£20.53
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£20.53
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£12.92
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£12.30
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£12.30

Cometic Gasket Point Cover. Fiber – 1970–1999 Big Twin; 1971–2003 XL…

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Cometic Gasket Point Cover. Fiber – 1970–1999 Big Twin; 1971–2003 XL… .031" fiber. With 4 holes. OEM replacement reference 32591-80. Fitment 70-99 ...

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£12.92
£12.30
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£12.30
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£12.99
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£12.37
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£12.37

Cometic Point Cover Gasket. Paper – 1970–1999 Evo Big Twin; 1971–2003 XL…

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Cometic Point Cover Gasket. Paper – 1970–1999 Evo Big Twin; 1971–2003 XL… Paper. With 2 holes. OEM replacement reference 32591-70. Fitment 70-99 Ev...

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£12.99
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£12.99
£12.37
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£12.37
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£62.13
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£62.13
£59.16
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£59.16

Cometic Cam Cover Gasket. .060" AFM – 1999–2017 Twin Cam

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Cometic Cam Cover Gasket. .060" AFM – 1999–2017 Twin Cam .060" thick AFM (Aluminum Foamet Material). AFM gaskets are made with an aluminum core wit...

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£62.13
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£62.13
£59.16
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£59.16
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£21.75
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£21.75
£20.71
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£20.71

Cometic Cam Cover Gaskets. Fiber – 1970–1992 Big Twin

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Cometic Cam Cover Gaskets. Fiber – 1970–1992 Big Twin .032" fiber reinforced paper. OEM replacement reference 25225-70; 25225-70B; 25225-70C. Note:...

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£21.75
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£21.75
£20.71
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£20.71
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£33.65
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£33.65
£32.04
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£32.04

Cometic Cam Cover Gaskets. .060" AFM – 1970–1992 Big Twin

Only 2 left!

Cometic Cam Cover Gaskets. .060" AFM – 1970–1992 Big Twin .060" thick AFM (Aluminum Foamet Material). AFM gaskets are made with an aluminum core wi...

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£33.65
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£33.65
£32.04
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£32.04
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£63.08
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£63.08
£60.05
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£60.05

Cometic Gasket Cam Cover. .060" AFM – 1941–1969 Big Twin

Out of stock

Cometic Gasket Cam Cover. .060" AFM – 1941–1969 Big Twin .060" thick AFM (Aluminum Foamet Material). AFM gaskets are made with an aluminum core wit...

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£63.08
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£63.08
£60.05
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£72.70
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£72.70
£69.22
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£69.22

Cometic Pushrod Cover. Lower – 2004–2022 XL Sportster; 2008–2012 XR1200

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Cometic Pushrod Cover. Lower – 2004–2022 XL Sportster; 2008–2012 XR1200 4 used. OEM replacement reference 11377. Fitment 04-22 XL Sportster; 08-12 ...

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£72.70
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£72.70
£69.22
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£69.22
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£11.82
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£11.25
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£11.25

Cometic Pushrod Cover O-ring. Upper – 1991–2022 XL Sportster; 2008–2012…

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Cometic Pushrod Cover O-ring. Upper – 1991–2022 XL Sportster; 2008–2012… 4 used. OEM replacement reference 11190. Fitment 91-22 XL Sportster; 08-12...

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£11.82
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£11.82
£11.25
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£11.25
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£7.14
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£7.14
£6.57
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£6.57

Cometic Rocker Box Seals. Paper – 1984–1999 Evo Big Twin; 1986–2008 XL…

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Cometic Rocker Box Seals. Paper – 1984–1999 Evo Big Twin; 1986–2008 XL… 8 used. OEM style paper rocker cover washers. OEM replacement reference 638...

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£7.14
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£7.14
£6.57
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£6.57
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£8.01
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£7.37
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Cometic Rocker Box Seal Washers. Copper – 1984–1999 Evo Big Twin; 1986–2008 XL…

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

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£8.01
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£8.01
£7.37
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£8.28
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£8.28
£7.62
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£7.62

Cometic Tappet Block Gaskets. FR/RR. Fiber – 1999–2017 Twin Cam

Out of stock

Cometic Tappet Block Gaskets. FR/RR. Fiber – 1999–2017 Twin Cam .020" Fiber. OEM replacement reference 18635-99; 18635-99 A; 18635-99B. Fitment 99-...

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£8.28
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£8.28
£7.62
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£9.69
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£9.69
£8.92
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Cometic Tappet Block Gasket. Front. Fiber – 1948–1999 Big Twin

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Cometic Tappet Block Gasket. Front. Fiber – 1948–1999 Big Twin Fiber. Used between tappet guide and engine base. OEM replacement reference 18634-48...

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£9.69
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£9.69
£8.92
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£8.92
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£8.01
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£7.37
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£7.37

Cometic Tappet Block Gasket. Rear. Fiber – 1948–1999 Big Twin

Only 2 left!

Cometic Tappet Block Gasket. Rear. Fiber – 1948–1999 Big Twin Fiber. Used between tappet guide and engine base. OEM replacement reference 18633-48D...

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£8.01
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£8.01
£7.37
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