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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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£31.77
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£31.46
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James Gaskets Manifold Intake Seals – 1984–2017 Big Twin; 1986–2022 XL…

Low stock

Description Used between manifold and cylinder head. OEM replacement reference 26995-86B and 26992-99. Note: Will not fit 84-89 Evo B.T. models sti...

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£31.77
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£31.77
£31.46
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£31.46
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£32.28
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£32.28
£31.97
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£31.97

James Gaskets O-Ring Derby Cover – L1984–1998 Big Twin

Low stock

Description OEM replacement reference 25416-84; 25416-84A; 25416-84B. Fitment L84-98 Big Twin (NU) Product Details Brand: James Gaskets Category...

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£32.28
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£32.28
£31.97
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£31.97
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£177.66 - £177.66
£177.66
£182.44
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£182.44

James Gaskets Gasket Primary Cover. .062" Paper/Silicone – 1989–2006 Softail; 1991–2005 Dyna

Low stock

Description .062" fiber reinforced paper with a silicone bead. For 5-speed models. OEM replacement reference 60539-89; 60539-89A; 60539-89B; 60539-...

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£177.66 - £177.66
£177.66
£182.44
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£182.44
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£11.42
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£11.42
£11.31
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£11.31

James Gaskets O-Ring Drain, Dipstick & Oil Pump Plugs (25pk) – Crankcase; Drain Plug (1 Used):…

Low stock

Description Multi-application. OEM replacement reference 11105 Fitment Crankcase; drain plug (1 used): 77-03 XL Sportster (NU). Primary cover; drai...

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£11.42
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£11.42
£11.31
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£11.31
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£8.69
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£8.69
£8.30
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£8.30

James Gaskets Oil Pump Check Valve/Clutch/Cam Balls – S&S Hvhp Pump: 1984–1999 Big Twin…

Low stock

Description 3/8" diameter steel balls. Various applications. OEM replacement reference 8873. Fitment S&S HVHP pump: 84-99 Big Twin; 99-06 TC (E...

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£8.69
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£8.69
£8.30
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£25.26
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£25.01
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£25.01

James Gaskets Oil Seal Inner Primary Cover – L1984–1986 4-Speed Big Twin; L1984–2025…

Low stock

Description Double lip. Rubber OD. Fits back side inner primary; seals mainshaft support bearing. OEM replacement reference 12052; 12052A. Fitment ...

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£25.26
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£25.26
£25.01
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£25.01
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£40.48
£40.97
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£40.97

James Gaskets Oil Seal Starter Shaft. Double Lip – 1994–2006 Big Twin

Low stock

Description Double lip. Fits backside of inner primary cover where it seals the starter shaft. OEM replacement reference 12066. Fitment 94-06 Big T...

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£40.48 - £40.48
£40.48
£40.97
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£41.10
£41.79
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£41.79

James Gaskets Evo Cylinder Head & Base Gasket Kit – 1984–1999 Big Twin; 1988–2022 XL…

Low stock

Description Standard 3-1/2" bore. Kit to service one engine. With .045" head (.046 starting thickness and .042" final crush) and .030" base gaskets...

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£41.10 - £41.10
£41.10
£41.79
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£41.79
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£54.33
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£54.33
£50.82
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£50.82

James Gaskets Cam Gear Change Gasket & Seal Kit – 1999–2017 Twin Cam

In stock

Description Complete with all gaskets and seals you need when the camshaft is replaced. Includes all O-rings; metal rocker cover gaskets with silic...

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£54.33
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£54.33
£50.82
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£50.82
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£64.58
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£64.58
£60.41
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£60.41

James Gaskets Rocker Cover Gasket Kit. Evo B.t – 1992–1999 Evo Big Twin

In stock

Description Includes silicone beaded paper rocker cover base gaskets; rubber rocker gaskets; seals and o-rings required for rocker cover assembly. ...

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£64.58
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£64.58
£60.41
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£18.05
£20.94
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James Gaskets Pushrod Cover O-Ring. Lower – 1984–2025 Big Twin; 1986–1990 XL…

Low stock

Description OEM replacement reference 11145. Fitment 84-25 Big Twin; 86-90 (NU) XL Sportster Product Details Brand: James Gaskets Category: MOTO...

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£18.05 - £18.05
£18.05
£20.94
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£19.94
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£19.74
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£19.74

James Gaskets Gasket Transmission End Cover. .031" Paper – 1987–1992 Big Twin

Low stock

Description .031" fiber reinforced paper. With o-rings. Used between the transmission bearing housing and the transmission end cover. OEM replaceme...

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£19.74
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£26.57
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£26.57
£26.31
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£26.31

James Gaskets Exhaust Studs – 1984–2026 Big Twin; 1986–2022 XL…

Low stock

Description 5/16-18 to 5/16-24 X 1-11/16". Note: Exhaust studs as used in the M8 engine (OEM 10900015; 10900015A) are of a slightly different desig...

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£26.57
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£26.57
£26.31
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Sold out
£12.56
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£12.56
£12.01
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£12.01

James Gaskets Flanged Hex Nut, Exhaust Mount – Exhaust to Head: 1984–2026 Big Twin…

Out of stock

Description Zinc plated. Heavy Duty. 5/16-24 threaded. OEM replacement reference 7736 (acorn) and 7593 (OEM style flanged nut) Fitment Exhaust to h...

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£12.56
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£12.56
£12.01
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£10.96
£14.13
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£14.13

James Gaskets CV Carburetor to Manifold Seal. Keihin – 1990–2006 Big Twin; 1988–2006 XL…

Low stock

Description OEM replacement reference 27002-89. Fitment 90-06 Big Twin; 88-06 XL Sportster. With Keihin CV carburetor (NU) Product Details Brand:...

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£10.96 - £10.96
£10.96
£14.13
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£14.13
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£115.11
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£115.11
£113.99
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£113.99

Cometic Est Top End Gasket Kit. Evo B.t – 1992–1999 Evo Big Twin

Low stock

Description With 3.5" bore MLS (Multi-Layer-Steel) .040" thick head gaskets. The SLS (Single-Layer-Steel) cylinder base gaskets and SLS rocker cove...

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£115.11
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£115.11
£113.99
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£113.99
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£4.86
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£4.86
£4.64
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£4.64

James Gaskets O-Ring, Pushrod Cover / Dipstick / Oil Pump – Dipstick Cover; Upper (1 Used):…

Low stock

Description Pushrod middle & o-ring oil filler plug transmission. OEM replacement reference 11132; 11132A. Fitment Dipstick cover; upper (1 use...

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£4.86
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£4.86
£4.64
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£4.64
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£10.32
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£10.32
£9.87
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£9.87

James Gaskets Point Cover Gasket. .031" Paper – 1970–1999 Evo Big Twin; 1971–2003 XL…

Low stock

Description .031" thick paper. With 4 holes. OEM replacement reference 32591-80. Fitment 70-99 Evo Big Twin; 71-03 XL Sportster (NU) Product Detail...

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£10.32
£10.32 - £10.32
£10.32
£9.87
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£9.87
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£37.31 - £37.31
£37.31
£37.75
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£37.75

James Gaskets Manifold Intake Seals. Blue Viton +.180" – 1984–2017 Big Twin; 1986–2022 XL…

Low stock

Description Blue Viton. +.180" wider for stroker motors with longer cylinders. Used between manifold and cylinder head. OEM replacement reference 2...

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£37.31 - £37.31
£37.31
£37.75
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£37.75
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£21.87
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£21.87
£21.65
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£21.65

James Gaskets Oil Seal Shifter Shaft. Transmission – 2007–2013 Softail; 2006–2013 Dyna…

Low stock

Description 1 used. Behind the shifter arm on the transmission. OEM replacement reference 37101-84B. Fitment 07-13 Softail; 06-13 Dyna; 07-13 FLT/T...

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£21.87
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£21.87
£21.65
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£21.65
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£5.76 - £5.76
£5.76
£6.45
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£6.45

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

In stock

Description 1 used behind shifter lever on transmission. OEM replacement reference 37101-84; 37101-84A; 37101-84B. Fitment Shifter: L79-84 Big Twin...

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£5.76 - £5.76
£5.76
£6.45
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£6.45
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£26.49
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£26.49
£26.23
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£26.23

James Gaskets Float Bowl to Carb Body Seal. Keihin CV – 1992–2006 Big Twin; 1992–2006 XL…

Low stock

Description Rubber float bowl seal used between carb body and floatbowl. OEM replacement reference 27577-92. Fitment 92-06 Big Twin; 92-06 XL Sport...

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£26.49
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£26.49
£26.23
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£26.23
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£14.88
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£14.88
£14.74
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£14.74

James Gaskets Gasket Taillight to Fender – 1973–1999 H-D

Low stock

Description .055" paper. OEM replacement reference 68123-73. Fitment 73-99 H-D (NU) Product Details Brand: James Gaskets Category: ELECTRICAL &g...

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£14.88
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£14.88
£14.74
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£14.74
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£33.94
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£33.94
£33.61
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£33.61

James Gaskets Gasket Taillight to Lens – 1973–1999 Big Twin; XL Sportster

Low stock

Description Foam. For 73-up style taillight. OEM replacement reference 68025-73; 68027-90 Fitment 73-99 Big Twin; XL Sportster (NU) Product Details...

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£33.61
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