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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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Colony Cyl Base Nut Kit – 1930–1978 Big Twin

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Colony Cyl Base Nut Kit – 1930–1978 Big Twin Zinc; hex Fitment 30-78 Big Twin (NU) Product Details Brand: Colony Category: MOTOR PARTS > CYLI...

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£15.31
£17.64
£17.64 - £17.64
£17.64
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£6.02
£6.51
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£6.51

Colony Early Style – 1941–1948 SV Big Twin; 1941–1954 45" SV

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Colony Early Style – 1941–1948 SV Big Twin; 1941–1954 45" SV Zinc; long shoulder nut; 1/4-24 thread Fitment 41-48 SV Big Twin; 41-54 45" SV (NU) Pr...

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£6.02
£6.51
£6.51 - £6.51
£6.51
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£5.57 - £5.57
£5.57
£6.03
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£6.03

Colony Early Style – 1936–1967 Big Twin OHV

Out of stock

Colony Early Style – 1936–1967 Big Twin OHV Zinc; long shoulder nut; 1/4-24 thread Fitment 36-67 Big Twin OHV (NU) Product Details Brand: Colony ...

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£6.03
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£6.03
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£40.95
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£40.95
£40.45
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£40.45

Colony Oil Pump Mount Kit OEM Style – 1937–1973 45" SV

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Colony Oil Pump Mount Kit OEM Style – 1937–1973 45" SV Zinc; incl. all studs Fitment 37-73 45" SV (NU) Product Details Brand: Colony Category: M...

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£40.95
£40.95 - £40.95
£40.95
£40.45
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£40.45
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£7.73 - £7.73
£7.73
£8.37
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£8.37

Colony Oil Pump Mount Kit OEM Style – L1971–1976 XL Sportster

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Colony Oil Pump Mount Kit OEM Style – L1971–1976 XL Sportster Zinc Fitment L71-76 XL Sportster (NU) Product Details Brand: Colony Category: MOTO...

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£7.73 - £7.73
£7.73
£8.37
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£8.37
£18.75 - £18.75
£18.75
£21.60
£21.60 - £21.60
£21.60

Colony Oil Pump Mount Kit OEM Style. Zinc – 52-E71 XL Sportster

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Colony Oil Pump Mount Kit OEM Style. Zinc – 52-E71 XL Sportster Zinc plated. OEM style reproduction. Repl. 24819-52 studs; 7036 lock washers and 76...

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£18.75 - £18.75
£18.75
£21.60
£21.60 - £21.60
£21.60
£21.87 - £21.87
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£25.20
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£25.20

Colony Oil Pump Mount Kit OEM Style – 1968–1978 Big Twin

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Colony Oil Pump Mount Kit OEM Style – 1968–1978 Big Twin Zinc; hex Fitment 68-78 Big Twin (NU) Product Details Brand: Colony Category: MOTOR PAR...

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£21.87 - £21.87
£21.87
£25.20
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£25.20
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£29.62
£29.62 - £29.62
£29.62
£29.26
£29.26 - £29.26
£29.26

Colony Oil Pump Mount Kit OEM Style – 1936–1967 Big Twin

Out of stock

Colony Oil Pump Mount Kit OEM Style – 1936–1967 Big Twin Zinc; hex Fitment 36-67 Big Twin (NU) Product Details Brand: Colony Category: MOTOR PAR...

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£29.62
£29.62 - £29.62
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£29.26
£29.26 - £29.26
£29.26
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£6.17 - £6.17
£6.17
£6.67
£6.67 - £6.67
£6.67

Colony Oil Pump Mount Kit, OEM Style – 1937–1967 Big Twin

Out of stock

Colony Oil Pump Mount Kit, OEM Style – 1937–1967 Big Twin Zinc; nut & washers; special 1/4-24 HD thread Fitment 37-67 Big Twin (NU) Product Det...

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£6.17
£6.67
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£6.67
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£35.77
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£35.77
£35.33
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£35.33

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

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Colony Rocker Shaft Plug & Nut Kit. Buttonhead. Zinc – L1971–1984 Shovelhead; L1971–1985 XL… Zinc. Buttonhead. OEM styling except the nuts whic...

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£35.77
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£35.77
£35.33
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£35.33
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£23.68
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£23.68
£22.54
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£22.54

MCS Nut, Pinion Shaft Gear – 1977–1990 XL Sportster

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MCS Nut, Pinion Shaft Gear – 1977–1990 XL Sportster 11/16-18 x 1/4 x 1-3/16 hex. Repl. 7913. Note: Nut has left hand thread. Fitment 77-90 XL Sport...

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£23.68
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£23.68
£22.54
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£22.54
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£9.47
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£9.47
£9.01
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£9.01

MCS WOODRUFF KEYS, SPROCKET SHAFT – 1956–1971 FL; FX & All S&S SPROCKET…

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MCS WOODRUFF KEYS, SPROCKET SHAFT – 1956–1971 FL; FX & All S&S SPROCKET… WOODRUFF KEYS, SPROCKET SHAFT Fitment 56-71 FL; FX (NU) & all ...

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£9.47
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£9.47
£9.01
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£9.01
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£7.64
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£7.64
£7.26
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£7.26

MCS Woodruff Keys – 54-E75; 1987–1989 Big Twin: Pinion Gear…

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MCS Woodruff Keys – 54-E75; 1987–1989 Big Twin: Pinion Gear… Pinion shaft / oil pump shaft. OEM replacement reference 23985-54. Fitment 54-E75; 87-...

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£7.64
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£7.64
£7.26
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£7.26
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£5.08
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£5.08
£4.83
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£4.83

MCS Wooruff Keys, Crankpin & Pinion Shaft – L1981–1999 Big Twin : Crankpin.…

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MCS Wooruff Keys, Crankpin & Pinion Shaft – L1981–1999 Big Twin : Crankpin.… Repl. 11218. Fitment L81-99 Big Twin (Excl. TC) (NU) : crankpin. L...

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£5.08
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£5.08
£4.83
£4.83 - £4.83
£4.83
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£7.03
£7.03 - £7.03
£7.03
£6.70
£6.70 - £6.70
£6.70

MCS Woodruff Keys, Crankpin – 52-E81 K; XL Sportster; 30-E81 Big Twin…

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MCS Woodruff Keys, Crankpin – 52-E81 K; XL Sportster; 30-E81 Big Twin… Two used. Repl. 23985-18. Fitment 52-E81 K; XL Sportster; 30-E81 Big Twin; 3...

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£7.03
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£7.03
£6.70
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£6.70
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£32.61
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£32.61
£31.05
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£31.05

MCS Woodruff Keys – 52-E81 K; XL Sportster; 12-E81 Big Twin…

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MCS Woodruff Keys – 52-E81 K; XL Sportster; 12-E81 Big Twin… Pinion & sprocket shaft Fitment 52-E81 K; XL Sportster; 12-E81 Big Twin; 32-73 45"...

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£32.61
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£32.61
£31.05
£31.05 - £31.05
£31.05
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£38.08
£38.08 - £38.08
£38.08
£36.25
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£36.25

MCS Retainer, Pinion Shaft Bearing – 1954–1976 XL Sportster; 1955–1957 Big…

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MCS Retainer, Pinion Shaft Bearing – 1954–1976 XL Sportster; 1955–1957 Big… Roller bearing retainer (cage) only; used on right side crankcase. Note...

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£38.08
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£38.08
£36.25
£36.25 - £36.25
£36.25
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£18.18
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£18.18
£17.31
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£17.31

MCS Thrust Washers, Pinion Shaft – 1954–1979 XL Sportster; 1955–1957 Big…

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MCS Thrust Washers, Pinion Shaft – 1954–1979 XL Sportster; 1955–1957 Big… Thrust washers, pinion shaft Fitment 54-79 XL Sportster; 55-57 Big Twin (...

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£18.18
£18.18 - £18.18
£18.18
£17.31
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£17.31
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£43.50
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£43.50
£41.42
£41.42 - £41.42
£41.42

MCS Thrustwasher, Sprocket Shaft Bearing – 2003–2017 Twin Cam; 2017–2026 M8…

Only 1 left!

MCS Thrustwasher, Sprocket Shaft Bearing – 2003–2017 Twin Cam; 2017–2026 M8… 1 used. OEM replacement reference 8973; 8972 Fitment 03-17 (NU) Twin C...

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£43.50
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£43.50
£41.42
£41.42 - £41.42
£41.42
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£16.37
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£16.37
£15.59
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£15.59

MCS Spring, Baffle Oil Pan – 1999–2017 Dyna; 1999–2008 FLT

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MCS Spring, Baffle Oil Pan – 1999–2017 Dyna; 1999–2008 FLT Spring, baffle oil pan Fitment 99-17 Dyna; 99-08 (NU) FLT Product Details Brand: MCS ...

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£16.37
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£16.37
£15.59
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£15.59
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£64.14
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£64.14
£54.79
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£54.79

MCS Outer Cam Chain, 99-06 Twin Cam – 1999–2006 Twin Cam

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MCS Outer Cam Chain, 99-06 Twin Cam – 1999–2006 Twin Cam 1 used. Outer (primary) cam chain. OEM replacement reference 25610-99 Fitment 99-06 Twin C...

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£64.14
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£64.14
£54.79
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£54.79
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£48.95
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£41.81
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£41.81

MCS Inner Cam Chain, 99-06 Twin Cam – 1999–2006 Twin Cam

Only 4 left!

MCS Inner Cam Chain, 99-06 Twin Cam – 1999–2006 Twin Cam 1 used. Connects both cams. Inner (secondary) camshaft chain. OEM replacement reference 25...

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£48.95
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£48.95
£41.81
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£41.81
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£38.08
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£36.25
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£36.25

MCS Breather Pipe Assembly, Black – 1958–1964 Panhead

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MCS Breather Pipe Assembly, Black – 1958–1964 Panhead OEM style reproduction. Fits between crankcase and primary. Note: See 915425 (OEM 24918-58) f...

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£38.08
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£38.08
£36.25
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£36.25
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£27.16
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£27.16
£25.86
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£25.86

MCS Breather Pipe Assembly, Black – 1948–1957 & 1964 61"/74" Panhead

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MCS Breather Pipe Assembly, Black – 1948–1957 & 1964 61"/74" Panhead OEM style reproduction. Fits between crankcase and primary. Fitment 48-57 ...

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£27.16
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£27.16
£25.86
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£25.86
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