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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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£10.23
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Cometic Seal Washer Neutral Switch. Nylon – 1980–1997 5-Speed Big Twin; 1986–1999 XL…

Low stock

Description White nylon washer for the neutral indicator switch on the transmission. OEM replacement reference 33043-80. Fitment 80-97 5-speed Big ...

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£10.23
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£10.23
£9.45
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£7.40

Cometic Transmission Mainshaft Oil Seal – L1994–2006 5-Speed Big Twin; 1995–2005…

Low stock

Description OEM replacement reference 12067A; 12067B. Fitment L94-06 5-speed Big Twin; 95-05 XL Sportster (NU) Product Details Brand: Cometic Ca...

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£6.44
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£5.95
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Cometic Oil Seal Transmission Mainshaft – L84-E94 5-Speed Big Twin; 1991–1994 XL…

Out of stock

Description Includes 12050 mainshaft bearing oil seal. OEM replacement reference 12050. Fitment L84-E94 5-speed Big Twin; 91-94 XL Sportster (NU) P...

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£6.44
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£6.44
£5.95
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£4.79
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£4.79
£4.42
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£4.42

Cometic. O-Ring Clutch Cable – 1987–2025 Softail; 1991–2017 Dyna…

Low stock

Description Used in transmission end cover. Fits models with mechanical actuated clutch and models with hydraulic master cylinder. OEM replacement ...

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£4.79
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£4.79
£4.42
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£21.56
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£21.56
£20.62
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Cometic Oil Seal Starter Shaft – 1989–1993 Big Twin

Out of stock

Description Fits backside of inner primary cover where it seals the starter shaft. OEM replacement reference 12053; 12053A. Fitment 89-93 Big Twin ...

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£21.56
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£20.62
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£11.28
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£10.43
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Cometic Oil Seal Transmission Mainshaft 5th Gear – 1991–2006 Big Twin

Low stock

Description OEM replacement reference 12035B. Officially fits 99-06 Big Twins but will retro-fit back to 91-98 models; which used 12035A. Fitment 9...

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£14.71
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Cometic Quad Oil Seal Transmission Mainshaft Bearing – L1984–2006 5-Speed Big Twin; 1991–2005…

Low stock

Description Small quad o-ring oil seal. Nitrile rubber. OEM replacement reference 11165. Fitment L84-06 5-speed Big Twin; 91-05 XL Sportster (NU) P...

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£15.38
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£14.71
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£19.97
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£19.09
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Cometic O-Ring Derby Cover – L1984–1998 Big Twin

Out of stock

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

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£11.28
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Cometic Oil Pump Body to Cover Gasket. Fibre – 1992–1999 Evo Big Twin

Low stock

Description OEM replacement reference 26276-92A. Fitment 92-99 Evo Big Twin (NU) Product Details Brand: Cometic Category: MOTOR PARTS > OIL P...

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£16.21
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Cometic Oil Seal Sprocket Shaft – 1970–1999 Big Twin; S&S X-Wedge Engines…

Out of stock

Description Fits left crankcase. OEM replacement reference 12026A; 12026B. Fitment 70-99 Big Twin (Excl. Twin Cam); S&S X-Wedge engines; all S&...

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Cometic Seal Washer Derby Cover. Rcs – L1984–1998 Big Twin

Out of stock

Description 3 used. Rubber coated steel. Seal washers for derby cover mount screws. 1/4" ID. OEM replacement reference 31433-84A. Fitment L84-98 Bi...

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£7.21
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£11.28
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Cometic Oil Pump Bocy to Cover Gasket. Fibre – 1992–1999 Evo Big Twin

Low stock

Description Rubber coated fiber. Fiber is a premium hi-temperature; hi-density creep resistant material that requires no re-torquing; no additional...

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Cometic Oil Pump Body to Case Gasket. .010" Fibre – L1980–1991 Big Twin

Low stock

Description .010" rubber coated fiber. Fiber is a premium hi-temperature; hi-density creep resistant material that requires no re-torquing; no addi...

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£11.28
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£11.28
£10.43
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Cometic O-Ring Starter Housing – 1989–2007 Big Twin; 1981–2007 XL…

Low stock

Description OEM replacement reference 11116. Fitment 89-07 Big Twin; 81-07 XL Sportster (NU) Product Details Brand: Cometic Category: ELECTRICAL...

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£8.01
£7.40
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£27.04
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£25.86
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£25.86

Cometic Gasket Transmission Top Cover. .031" Fibre – 1999–2005 Dyna

Low stock

Description .031" fiber. OEM replacement reference 34917-99; 34917-99A; 34917-99B. Cometic''s fiber gaskets are made from premium hi-temperature; h...

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£27.04
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£13.86
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£13.25
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Cometic Oil Seal Inner Primary Cover – L1984–1986 4-Speed Big Twin; L1984–2025…

Low stock

Description Rubber OD. Fits back side inner primary; seals mainshaft support bearing. OEM replacement reference 12052; 12052A. Fitment L84-86 4-spe...

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£9.69
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£9.69
£8.96
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Cometic Oil Pump Body to Cover Gasket. .010" Fibre – L1980–1991 Big Twin

Low stock

Description .010" rubber coated fiber. OEM replacement reference 26276-80A. Fitment L80-91 Big Twin (NU) Product Details Brand: Cometic Category...

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£9.69
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£9.69
£8.96
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£13.86
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Cometic Oil Seal Oil Pump Drive Shaft – L1958–1976 XL Sportster; 1968–1999 Big…

Low stock

Description 1 used. Fits OEM & S&S standard cast and billet oil pumps (excl. S&S HVHP/High Volume High Pressure pumps). OEM replacement...

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£13.86
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£29.01
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£27.74
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Cometic Gasket Transmission End Cover. .031" Fibre – 1987–2006 Big Twin

Low stock

Description .031" fiber. Used between the transmission bearing housing and the transmission end cover. OEM replacement reference 36801-87C. Fiber i...

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£29.01
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£27.74
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£162.20
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£162.20
£160.62
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£160.62

Cometic Gasket Primary Cover. .060" Afm – 1989–2006 Softail; 1991–2005 Dyna

Low stock

Description .060" thick AFM (Aluminum Foamet Material). For 5-speed models. OEM replacement reference 60539-89; 60539-89A; 60539-89B; 60539-94; 605...

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£162.20
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£162.20
£160.62
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£5.03
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Cometic O-Ring Speedo Sensor/Cooling Jet/Oil Line Fitting – O-Ring; Speedometer Sensor (1 Used):…

Low stock

Description Multiple use. Speedo sensor; piston cooling jet; oil line fitting oil pump. OEM replacement reference 11140. Fitment O-ring; speedomete...

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£5.45
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£5.03
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£6.92
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Cometic Cam Position Sensor O-Ring – 1999–2000 Dyna; 2000 Softail and…

Low stock

Description OEM replacement reference 11288. Fitment 99-00 Dyna; 2000 Softail and 99-01 FLT/Touring (NU) Product Details Brand: Cometic Category...

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£6.92
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£11.28
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Cometic O-Ring Crankcase to Cam Support – 1999–2017 Twin Cam

Low stock

Description 2 used. OEM replacement reference 11301. Fitment 99-17 Twin Cam (NU) Product Details Brand: Cometic Category: GASKETS > O-RINGS ...

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£20.80
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Cometic Seal Manifold Air Pressure Sensor – 2000–2016 Softail; 2018–2025 Softail…

Out of stock

Description Temperature / MAP sensor. 1 used. Fits both carburetor and injection models. OEM replacement reference 11291. Replacement for early MCS...

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