Skip to content
Find us Hours of Business Email Us Shipping Cookie policy Returns Terms & Conditions Privacy Policy Refunds

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.

Filters

Save 8% Save %
£10.92
£10.92 - £10.92
£10.92
£10.05
£10.05 - £10.05
£10.05

Cometic Oil Seal Clutch Release Rod – 1953–1956 K; KH; 1957–1970 XL Sportster

Only 2 left!

Cometic Oil Seal Clutch Release Rod – 1953–1956 K; KH; 1957–1970 XL Sportster OEM replacement reference 37339-53 Fitment 53-56 K; KH; 57-70 XL Spor...

View full details
£10.92
£10.92 - £10.92
£10.92
£10.05
£10.05 - £10.05
£10.05
Save 8% Save %
Save 5% Save %
£16.95
£16.95 - £16.95
£16.95
£16.14
£16.14 - £16.14
£16.14

Cometic Oil Seal Clutch Gear XL – 1967–1970 XL Sportster; 1970 XLCH

Only 2 left!

Cometic Oil Seal Clutch Gear XL – 1967–1970 XL Sportster; 1970 XLCH OEM replacement reference 12021B. Fitment 67-70 XL Sportster; 1970 XLCH (NU) Pr...

View full details
£16.95
£16.95 - £16.95
£16.95
£16.14
£16.14 - £16.14
£16.14
Save 5% Save %
Save 1% Save %
£146.26
£146.26 - £146.26
£146.26
£144.22
£144.22 - £144.22
£144.22

Cometic Gasket Primary Cover. .031" Fiber – 1967–1976 XLH; 1970–1976 XLCH

Only 2 left!

Cometic Gasket Primary Cover. .031" Fiber – 1967–1976 XLH; 1970–1976 XLCH .031" thick fiber. OEM replacement reference 34955-67. Cometic''s fiber g...

View full details
£146.26
£146.26 - £146.26
£146.26
£144.22
£144.22 - £144.22
£144.22
Save 1% Save %
Save 1% Save %
£127.09
£127.09 - £127.09
£127.09
£125.32
£125.32 - £125.32
£125.32

Cometic Gasket Primary Cover. .060" AFM – 1967–1976 XLH; 1970–1976 XLCH

Only 2 left!

Cometic Gasket Primary Cover. .060" AFM – 1967–1976 XLH; 1970–1976 XLCH .060" AFM (Aluminum Foamet Material). OEM replacement reference 34955-67. C...

View full details
£127.09
£127.09 - £127.09
£127.09
£125.32
£125.32 - £125.32
£125.32
Save 1% Save %
Save 14% Save %
£0.85
£0.85 - £0.85
£0.85
£0.73
£0.73 - £0.73
£0.73

Cometic. O-ring Filler Cap Primary Cover – 71-E78 XL Sportster

Only 2 left!

Cometic. O-ring Filler Cap Primary Cover – 71-E78 XL Sportster OEM replacement reference 37762-52. Fitment 71-E78 XL Sportster (NU) Product Details...

View full details
£0.85
£0.85 - £0.85
£0.85
£0.73
£0.73 - £0.73
£0.73
Save 14% Save %
Save 8% Save %
£8.01
£8.01 - £8.01
£8.01
£7.37
£7.37 - £7.37
£7.37

Cometic Oil Pump Body to Cover O-ring – 1977–1990 XL Sportster

Only 2 left!

Cometic Oil Pump Body to Cover O-ring – 1977–1990 XL Sportster OEM replacement reference 26434-76A. Fitment 77-90 XL Sportster (NU) Product Details...

View full details
£8.01
£8.01 - £8.01
£8.01
£7.37
£7.37 - £7.37
£7.37
Save 8% Save %
Save 5% Save %
£13.86
£13.86 - £13.86
£13.86
£13.20
£13.20 - £13.20
£13.20

Cometic Oil Pump Body to Inner Cover Gasket – L1962–1971 XL Sportster

Only 2 left!

Cometic Oil Pump Body to Inner Cover Gasket – L1962–1971 XL Sportster Fiber. OEM replacement reference 26259-62. Fitment L62-71 XL Sportster (NU) P...

View full details
£13.86
£13.86 - £13.86
£13.86
£13.20
£13.20 - £13.20
£13.20
Save 5% Save %
Save 5% Save %
£15.38
£15.38 - £15.38
£15.38
£14.65
£14.65 - £14.65
£14.65

Cometic Oil Pump Body to Inner Cover Gasket – 1952–1956 K; KH; 57-E62 & 1972–1976 XL…

Only 2 left!

Cometic Oil Pump Body to Inner Cover Gasket – 1952–1956 K; KH; 57-E62 & 1972–1976 XL… Fiber. OEM replacement reference 26259-52. Fitment 52-56 ...

View full details
£15.38
£15.38 - £15.38
£15.38
£14.65
£14.65 - £14.65
£14.65
Save 5% Save %
Save 5% Save %
£13.86
£13.86 - £13.86
£13.86
£13.20
£13.20 - £13.20
£13.20

Cometic Oil Pump Body to Inner Cover Gasket – L1962–1971 XL Sportster

Only 2 left!

Cometic Oil Pump Body to Inner Cover Gasket – L1962–1971 XL Sportster Fiber. OEM replacement reference 26258-62. Fitment L62-71 XL Sportster (NU) P...

View full details
£13.86
£13.86 - £13.86
£13.86
£13.20
£13.20 - £13.20
£13.20
Save 5% Save %
Save 5% Save %
£13.86
£13.86 - £13.86
£13.86
£13.20
£13.20 - £13.20
£13.20

Cometic Oil Pump Body to Outer Cover Gasket – 1952–1956 K; KH; 57-E62 & 1972–1976 XL…

Only 2 left!

Cometic Oil Pump Body to Outer Cover Gasket – 1952–1956 K; KH; 57-E62 & 1972–1976 XL… Fiber. OEM replacement reference 26258-52. Fitment 52-56 ...

View full details
£13.86
£13.86 - £13.86
£13.86
£13.20
£13.20 - £13.20
£13.20
Save 5% Save %
Save 8% Save %
£11.28
£11.28 - £11.28
£11.28
£10.38
£10.38 - £10.38
£10.38

Cometic Oil Pump Inner Cover to Case Gasket – 1952–1976 K; XL Sportster

Only 2 left!

Cometic Oil Pump Inner Cover to Case Gasket – 1952–1976 K; XL Sportster Fiber. OEM replacement reference 26256-52. Fitment 52-76 K; XL Sportster (N...

View full details
£11.28
£11.28 - £11.28
£11.28
£10.38
£10.38 - £10.38
£10.38
Save 8% Save %
Save 5% Save %
£15.38
£15.38 - £15.38
£15.38
£14.65
£14.65 - £14.65
£14.65

Cometic Gasket Magneto Cap – 1955–1956 K Model; 1958–1969 XLCH…

in stock

Cometic Gasket Magneto Cap – 1955–1956 K Model; 1958–1969 XLCH… Fits all H-D; Hunt and Morris magnetos. OEM replacement reference 29550-55. Fitment...

View full details
£15.38
£15.38 - £15.38
£15.38
£14.65
£14.65 - £14.65
£14.65
Save 5% Save %
Save 8% Save %
£6.44
£6.44 - £6.44
£6.44
£5.92
£5.92 - £5.92
£5.92

Cometic Gasket Starter Motor Mount. Fiber – 1967–1980 XL Sportster

Only 2 left!

Cometic Gasket Starter Motor Mount. Fiber – 1967–1980 XL Sportster Fiber. OEM replacement reference 31488-77. Cometic''s fiber gaskets are made fro...

View full details
£6.44
£6.44 - £6.44
£6.44
£5.92
£5.92 - £5.92
£5.92
Save 8% Save %
Save 5% Save %
£32.32
£32.32 - £32.32
£32.32
£30.77
£30.77 - £30.77
£30.77

Cometic Gasket Starter Shaft Housing. .031" Fiber – 1967–1980 XL Sportster

Only 2 left!

Cometic Gasket Starter Shaft Housing. .031" Fiber – 1967–1980 XL Sportster .031" thick fiber. OEM replacement reference 31471-67A. Cometic''s fiber...

View full details
£32.32
£32.32 - £32.32
£32.32
£30.77
£30.77 - £30.77
£30.77
Save 5% Save %
Save 5% Save %
£29.48
£29.48 - £29.48
£29.48
£28.07
£28.07 - £28.07
£28.07

Cometic Gasket Starter Cover Plate. .031" Fiber – 1974–1978 XLH (Hitachi); 1979–1980 XL…

Only 2 left!

Cometic Gasket Starter Cover Plate. .031" Fiber – 1974–1978 XLH (Hitachi); 1979–1980 XL… .031" thick fiber. OEM replacement reference 31461-70. Com...

View full details
£29.48
£29.48 - £29.48
£29.48
£28.07
£28.07 - £28.07
£28.07
Save 5% Save %
Save 5% Save %
£16.95
£16.95 - £16.95
£16.95
£16.14
£16.14 - £16.14
£16.14

Cometic Oil Seal Pushrods / Magneto Mount – Magneto Mount: 1968–1969 XLCH. Pushrod…

Only 2 left!

Cometic Oil Seal Pushrods / Magneto Mount – Magneto Mount: 1968–1969 XLCH. Pushrod… Fits all H-D; Joe Hunt and Morris magnetos. OEM replacement ref...

View full details
£16.95
£16.95 - £16.95
£16.95
£16.14
£16.14 - £16.14
£16.14
Save 5% Save %
Sold out
£11.95
£11.95 - £11.95
£11.95
£11.38
£11.38 - £11.38
£11.38

Cometic Oil Seal Transmission Mainshaft. Rubber OD – L1984–1989 XL Sportster

Out of stock

Cometic Oil Seal Transmission Mainshaft. Rubber OD – L1984–1989 XL Sportster Double lip. OEM replacement reference 12049. Fitment L84-89 XL Sportst...

View full details
£11.95
£11.95 - £11.95
£11.95
£11.38
£11.38 - £11.38
£11.38
Sold out
Sold out
£12.30
£12.30 - £12.30
£12.30
£11.71
£11.71 - £11.71
£11.71

Cometic Main Drive Gear End – 1991–2022 XL Sportster; 2008–2012 XR1200

Out of stock

Cometic Main Drive Gear End – 1991–2022 XL Sportster; 2008–2012 XR1200 Bore plug seal. OEM replacement reference 12030. Fitment 91-22 XL Sportster;...

View full details
£12.30
£12.30 - £12.30
£12.30
£11.71
£11.71 - £11.71
£11.71
Sold out
Save 8% Save %
£9.33
£9.33 - £9.33
£9.33
£8.59
£8.59 - £8.59
£8.59

Cometic Starter Motor Mount. .020" Fiber – 1981–2022 XL Sportster; 2008–2012 XR1200

Only 2 left!

Cometic Starter Motor Mount. .020" Fiber – 1981–2022 XL Sportster; 2008–2012 XR1200 .020" thick fiber. OEM replacement reference OEM replacement re...

View full details
£9.33
£9.33 - £9.33
£9.33
£8.59
£8.59 - £8.59
£8.59
Save 8% Save %
Sold out
£9.69
£9.69 - £9.69
£9.69
£8.92
£8.92 - £8.92
£8.92

Cometic Oil Pump Body to Case Gasket. Fiber – 1991–2022 XL Sportster

Out of stock

Cometic Oil Pump Body to Case Gasket. Fiber – 1991–2022 XL Sportster Fiber is a premium hi-temperature; hi-density creep resistant material that re...

View full details
£9.69
£9.69 - £9.69
£9.69
£8.92
£8.92 - £8.92
£8.92
Sold out
Save 8% Save %
£11.28
£11.28 - £11.28
£11.28
£10.38
£10.38 - £10.38
£10.38

Cometic Oil Pump Body to Case Gasket. Paper – 1977–1990 XL Sportster

Only 2 left!

Cometic Oil Pump Body to Case Gasket. Paper – 1977–1990 XL Sportster OEM replacement reference 26495-75. Fitment 77-90 XL Sportster (NU) Product De...

View full details
£11.28
£11.28 - £11.28
£11.28
£10.38
£10.38 - £10.38
£10.38
Save 8% Save %
Save 8% Save %
£9.33
£9.33 - £9.33
£9.33
£8.59
£8.59 - £8.59
£8.59

Cometic Oil Pump Outer Plate Seal. Metal OD – 1977–1990 XL Sportster

Only 2 left!

Cometic Oil Pump Outer Plate Seal. Metal OD – 1977–1990 XL Sportster Metal Outside Diameter. OEM replacement reference 12036 (metal OD); 12036A (ru...

View full details
£9.33
£9.33 - £9.33
£9.33
£8.59
£8.59 - £8.59
£8.59
Save 8% Save %
Save 5% Save %
£25.09
£25.09 - £25.09
£25.09
£23.88
£23.88 - £23.88
£23.88

Cometic Sprocket Shaft Oil Seal. Metal OD – 1977–2003 XL Sportster

Only 2 left!

Cometic Sprocket Shaft Oil Seal. Metal OD – 1977–2003 XL Sportster Single lip. OEM replacement reference 35151-74A. Fitment 77-03 XL Sportster (NU)...

View full details
£25.09
£25.09 - £25.09
£25.09
£23.88
£23.88 - £23.88
£23.88
Save 5% Save %
Save 1% Save %
£113.96
£113.96 - £113.96
£113.96
£112.38
£112.38 - £112.38
£112.38

Cometic Gasket Primary Cover. .060" AFM – 1991–2003 XL Sportster

Only 2 left!

Cometic Gasket Primary Cover. .060" AFM – 1991–2003 XL Sportster .060" thick AFM (Aluminum Foamet Material). OEM replacement reference 34955-89; 34...

View full details
£113.96
£113.96 - £113.96
£113.96
£112.38
£112.38 - £112.38
£112.38
Save 1% Save %

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare