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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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£62.34
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£57.06
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Colony Motor Mount Kit – 1936–1969 OHV Big Twin

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Colony Motor Mount Kit – 1936–1969 OHV Big Twin Zinc Fitment 36-69 OHV Big Twin (NU) Product Details Brand: Colony Category: MOTOR PARTS > MO...

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£62.34
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£62.34
£57.06
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£57.06
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£18.75 - £18.75
£18.75
£21.60
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£21.60

Colony Oversized Panhead Rocker Cover Screw Set – 1948–1965 Panhead

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Colony Oversized Panhead Rocker Cover Screw Set – 1948–1965 Panhead Zinc plated. Short bolts; for use with steel D-rings. These are OEM style screw...

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£18.75 - £18.75
£18.75
£21.60
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£21.60
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£7.82
£8.46
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£8.46

Colony Head Bolt Washer Set – 1929–1973 45" SV

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Colony Head Bolt Washer Set – 1929–1973 45" SV Zinc; Fits models with cast iron cylinder heads Fitment 29-73 45" SV (NU) Product Details Brand: C...

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£7.82 - £7.82
£7.82
£8.46
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£8.46
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£35.88
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£35.88
£35.45
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£35.45

Colony Head Bolt Washer Set. Zinc – 1940–1948 74"/80" Flathead; 1940–1957…

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Colony Head Bolt Washer Set. Zinc – 1940–1948 74"/80" Flathead; 1940–1957… Fits Side Valves with aluminum heads. OEM replacement reference 16822-39...

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£35.88
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£35.88
£35.45
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£35.45
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£7.28 - £7.28
£7.28
£7.87
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£7.87

Colony Head Bolt Washer Set – 1936–1984 OHV Big Twin

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Colony Head Bolt Washer Set – 1936–1984 OHV Big Twin Zinc; for 7/16 bolts Fitment 36-84 OHV Big Twin (NU) Product Details Brand: Colony Category...

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£7.28 - £7.28
£7.28
£7.87
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£7.87
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£43.39
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£43.39
£42.85
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£42.85

Colony Head Bolt Kit – 1973–1985 XL Sportster

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Colony Head Bolt Kit – 1973–1985 XL Sportster Zinc; OEM style; incl. washers Fitment 73-85 XL Sportster (NU) Product Details Brand: Colony Categ...

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£43.39
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£43.39
£42.85
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£42.85
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£49.62
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£45.10
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Colony Head Bolt Kit – 1957–1972 XL Sportster

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Colony Head Bolt Kit – 1957–1972 XL Sportster Zinc; OEM style; incl. washers Fitment 57-72 XL Sportster (NU) Product Details Brand: Colony Categ...

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£49.62
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£49.62
£45.10
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£45.10
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£91.46
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£91.46
£82.51
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£82.51

Colony Head Bolt Kit – 1954–1956 KH Models

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Colony Head Bolt Kit – 1954–1956 KH Models Zinc Fitment 54-56 KH models (NU) Product Details Brand: Colony Category: MOTOR PARTS > HEAD BOLTS...

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£91.46
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£91.46
£82.51
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£82.51
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£91.46
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£82.51
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£82.51

Colony Head Bolt Kit – 1952–1953 K MODEL

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Colony Head Bolt Kit – 1952–1953 K MODEL Zinc; OEM style Fitment 52-53 K MODEL (NU) Product Details Brand: Colony Category: MOTOR PARTS > HEA...

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£91.46
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£91.46
£82.51
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£82.51
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£41.74
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£41.23
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£41.23

Colony Head Bolt Kit – 1948–1984 PAN; SHOVEL

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Colony Head Bolt Kit – 1948–1984 PAN; SHOVEL Zinc; OEM hex style; incl. washers Fitment 48-84 PAN; SHOVEL (NU) Product Details Brand: Colony Cat...

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£41.74
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£41.74
£41.23
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£41.23
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£68.54
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£68.54
£62.75
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£62.75

Colony Head Bolt Kit – 1936–1939 Knucklehead

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Colony Head Bolt Kit – 1936–1939 Knucklehead Zinc; OEM style; incl. washers Fitment 36-39 Knucklehead (NU) Product Details Brand: Colony Categor...

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£68.54
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£68.54
£62.75
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£62.75
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£9.06 - £9.06
£9.06
£9.81
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£9.81

Colony Head Bolt – 1965–1973 45" Servi-car with Alternator

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Colony Head Bolt – 1965–1973 45" Servi-car with Alternator Zinc plated. OEM style reproduction. Repl. 16813-65. Fitment 65-73 45" Servi-car with al...

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£9.06
£9.81
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£9.81
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£93.41
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£93.41
£84.27
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£84.27

Colony Head Bolt Kit – 1951–1973 45" SV

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Colony Head Bolt Kit – 1951–1973 45" SV Zinc; OEM style; cats iron heads Fitment 51-73 45" SV (NU) (Excl. ALTERNATOR models) Product Details Bran...

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£93.41
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£93.41
£84.27
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£84.27
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£103.85
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£103.85
£93.69
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Colony Head Bolt Kit – 1937–1948 74"/80" SV Big Twin; 1929–1950…

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Colony Head Bolt Kit – 1937–1948 74"/80" SV Big Twin; 1929–1950… Zinc plated. OEM style reproduction. For models with cast iron heads. Fitment 37-4...

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£103.85
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£103.85
£93.69
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£93.69
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£105.35
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£105.35
£95.04
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£95.04

Colony Head Bolt Kit – 1937–1948 74/80" SV Big Twin

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Colony Head Bolt Kit – 1937–1948 74/80" SV Big Twin Zinc; OEM style; aluminum heads Fitment 37-48 74/80" SV Big Twin (NU) Product Details Brand: ...

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£105.35
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£105.35
£95.04
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£95.04
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£94.88
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£85.60
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Colony Head Bolt Kit – 1939–1973 45" SV WITH ALU HEADS

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Colony Head Bolt Kit – 1939–1973 45" SV WITH ALU HEADS Zinc; OEM style Fitment 39-73 45" SV WITH ALU HEADS (NU) Product Details Brand: Colony Ca...

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£94.88
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£94.88
£85.60
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£85.60
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£31.20
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£30.82
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£30.82

Colony Head Bolt Washer Set. Zinc – 1984–1990 Big Twin; 1986 XL Sportster

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Colony Head Bolt Washer Set. Zinc – 1984–1990 Big Twin; 1986 XL Sportster Zinc Fitment 84-90 Big Twin; 1986 XL Sportster (NU) Product Details Bra...

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£31.20
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£31.20
£30.82
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£30.82
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£12.42 - £12.42
£12.42
£13.45
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£13.45

Colony Rocker Cover Washer Set. Zinc – L1954–1965 Panhead

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Colony Rocker Cover Washer Set. Zinc – L1954–1965 Panhead Zinc plated. Washers as used below the Panhead rocker cover screws. Use as required with ...

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£12.42 - £12.42
£12.42
£13.45
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£13.45
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£40.78
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£40.78
£40.29
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£40.29

Colony Panhead Rocker Cover Screw Kit. Zinc Hex. Long – 1948–1965 Panhead

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Colony Panhead Rocker Cover Screw Kit. Zinc Hex. Long – 1948–1965 Panhead Zinc plated. OEM style reproduction hex bolt with flange. Used to mount r...

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£40.78
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£40.78
£40.29
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£40.29
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£37.84
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£37.84
£37.38
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£37.38

Colony Rocker Shaft Plug & Nut Kit. Slotted. Zinc – L1971–1984 Shovelhead; L1971–1985 XL…

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Colony Rocker Shaft Plug & Nut Kit. Slotted. Zinc – L1971–1984 Shovelhead; L1971–1985 XL… Zinc plated. Specialty set. Features right side nut w...

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£37.84
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£37.84
£37.38
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£37.38
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£38.17
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£38.17
£37.71
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£37.71

Colony Crankcase Bolt Kit – 1937–1973 45" SV

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Colony Crankcase Bolt Kit – 1937–1973 45" SV Zinc; stock style Fitment 37-73 45" SV (NU) Product Details Brand: Colony Category: MOTOR PARTS >...

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£38.17
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£38.17
£37.71
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£37.71
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£55.71
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£55.71
£50.63
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£50.63

Colony Crankcase Bolt Kit – 1940–1948 74/80" SV

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Colony Crankcase Bolt Kit – 1940–1948 74/80" SV Zinc; stock style Fitment 40-48 74/80" SV (NU) Product Details Brand: Colony Category: MOTOR PAR...

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£55.71
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£55.71
£50.63
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£50.63
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£55.71
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£55.71
£50.63
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£50.63

Colony Crankcase Bolt Kit – 1936–1939 74/80" SV

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Colony Crankcase Bolt Kit – 1936–1939 74/80" SV Zinc; stock style Fitment 36-39 74/80" SV (NU) Product Details Brand: Colony Category: MOTOR PAR...

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£55.71
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£55.71
£50.63
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£50.63
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£55.71
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£50.63
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£50.63

Colony Crankcase Bolt Kit – 1979–1995 Big Twin

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Colony Crankcase Bolt Kit – 1979–1995 Big Twin Hex zinc Fitment 79-95 Big Twin (NU) Product Details Brand: Colony Category: MOTOR PARTS > CRA...

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£55.71
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£50.63
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£50.63
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