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Knucklehead engine

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Home / Motorcycle Parts & Accessories / Knucklehead engine refurbished & used for sale | For Sale USA
Harley panhead shovelhead - harley,

Harley panhead shovelhead - harley,

$274.95
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1947 harley davidson - 1947,

1947 harley davidson - 1947,

$24999.99
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1936 harley davidson - 1936,

1936 harley davidson - 1936,

$29999.99
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1947 harley davidson - 1947,

1947 harley davidson - 1947,

$13999.99
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Harley davidson vintage 1942 - vintage,

Harley davidson vintage 1942 - vintage,

$100.00
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Harley 447 - harley, 447-36

Harley 447 - harley, 447-36

$72.95
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Harley 447 - 447-30, 447-36

Harley 447 - 447-30, 447-36

$66.95
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Inch knucklehead engine - 74,

Inch knucklehead engine - 74,

$10404.99
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1941 1947 harley davidson - 1941-1947,

1941 1947 harley davidson - 1941-1947,

$10188.75
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Harley 447 36 - harley, 447-30

Harley 447 36 - harley, 447-30

$72.95
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Harley wla solo panhead - wla,

Harley wla solo panhead - wla,

$3879.99
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Made 6 scale harley - made, to

Made 6 scale harley - made, to

$352.41
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Harley davidson men - harley-davidson, men's

Harley davidson men - harley-davidson, men's

$30.95
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1938 motorcycle knucklehead - 1938,

1938 motorcycle knucklehead - 1938,

$19.99
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Gimmehead shirt funny - t,

Gimmehead shirt funny - t,

$19.99
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Harley davidson knucklehead - harley-davidson,

Harley davidson knucklehead - harley-davidson,

$19.99
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Harley knucklehead engine - harley-knucklehead,

Harley knucklehead engine - harley-knucklehead,

$7.00
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Harley panhead - harley,

Harley panhead - harley,

$3999.99
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Harley 447 - 447-30, 447-36

Harley 447 - 447-30, 447-36

$66.95
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1941 harley knucklehead ci - harley,

1941 harley knucklehead ci - harley,

$29999.99
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Harley hog engine tin - hog,

Harley hog engine tin - hog,

$15.99
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1955 harley wla 45 - harley,

1955 harley wla 45 - harley,

$7179.99
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Harley 447 36 - 447-30, 447-36

Harley 447 36 - 447-30, 447-36

$66.95
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Harley knucklehead panhead - ul,

Harley knucklehead panhead - ul,

$350.00
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Knucklehead engine shirt - engine, t-shirt

Knucklehead engine shirt - engine, t-shirt

$17.95
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Harley knucklehead engine - harley,

Harley knucklehead engine - harley,

$125.00
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Harley knucklehead tappet - knucklehead,

Harley knucklehead tappet - knucklehead,

$787.95
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Harley knucklehead engine rear - harley,

Harley knucklehead engine rear - harley,

$397.95
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Front engine cylinder for - cylinder,

Front engine cylinder for - cylinder,

$175.00
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Harley rigid ul - harley,

Harley rigid ul - harley,

$969.99
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1945 1946 harley knucklehead - /,

1945 1946 harley knucklehead - /,

$3499.99
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Harley davidson knucklehead - harley,

Harley davidson knucklehead - harley,

$179.19
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Harley davidson replica - harley, 61"

Harley davidson replica - harley, 61"

$2479.99
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Harley davidson knucklehead - davidson,

Harley davidson knucklehead - davidson,

$13.77
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1946 1947 harley knucklehead - 1946,

1946 1947 harley knucklehead - 1946,

$549.95
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Fits harley davidson - fits,

Fits harley davidson - fits,

$45.10
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New replica harley davidson - new,

New replica harley davidson - new,

$1579.99
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Magnetic engine drain plug

Magnetic engine drain plug

$18.95
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Vintage harley davidson - vintage, harley-davidson

Vintage harley davidson - vintage, harley-davidson

$24.99
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Black harley davidson - black, harley-davidson

Black harley davidson - black, harley-davidson

$25.00
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Harley knucklehead engine oil - knucklehead,

Harley knucklehead engine oil - knucklehead,

$347.95
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Twin 0106 chrome top - chrome,

Twin 0106 chrome top - chrome,

$90.00
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1941 1947 knucklehead left - knucklehead,

1941 1947 knucklehead left - knucklehead,

$811.99
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Inch knucklehead engine - 74,

Inch knucklehead engine - 74,

$10404.99
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1946 harley solo wla - solo,

1946 harley solo wla - solo,

$7279.99
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Fits harley davidson - harley,

Fits harley davidson - harley,

$45.10
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Left side engine - engine, for

Left side engine - engine, for

$1201.04
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Harley knucklehead rocker nut - harley,

Harley knucklehead rocker nut - harley,

$57.95
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Knucklehead inch engine - knucklehead,

Knucklehead inch engine - knucklehead,

$4755.99
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1945 1946 harley - 1945,

1945 1946 harley - 1945,

$549.95
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1941 1947 knucklehead left - 1941-1947,

1941 1947 knucklehead left - 1941-1947,

$811.99
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1950 harley panhead ci - panhead,

1950 harley panhead ci - panhead,

$17779.99
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Nos exhaust engine valve for - valve,

Nos exhaust engine valve for - valve,

$11.96
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1941 1947 knucklehead - knucklehead, left

1941 1947 knucklehead - knucklehead, left

$809.80
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Harley davidson shirt - harley-davidson, t-shirt

Harley davidson shirt - harley-davidson, t-shirt

$24.95
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New 1941 1947 - new, davidson

New 1941 1947 - new, davidson

$789.99
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Knucklehead engine plaque for - plaque,

Knucklehead engine plaque for - plaque,

$39.99
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Engine sprocket tapered - engine, 23

Engine sprocket tapered - engine, 23

$64.07
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1941 1947 harley - 1941-1947,

1941 1947 harley - 1941-1947,

$11319.99
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Harley davidson knucklehead - davidson,

Harley davidson knucklehead - davidson,

$42.66
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Harley panhead knucklehead - panhead,

Harley panhead knucklehead - panhead,

$49.95
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Harley panhead - wl,

Harley panhead - wl,

$309.99
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Harley davidson mens black - mens,

Harley davidson mens black - mens,

$15.99
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Harley davidson knucklehead - davidson,

Harley davidson knucklehead - davidson,

$5700.00
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Engine sprocket tapered - tapered, 24

Engine sprocket tapered - tapered, 24

$42.00
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1936 1947 knucklehead engine - 1936-1947,

1936 1947 knucklehead engine - 1936-1947,

$16.89
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Fits harley davidson - harley,

Fits harley davidson - harley,

$45.10
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1941 1942 harley knucklehead - 1941,

1941 1942 harley knucklehead - 1941,

$547.95
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Nos engine piston - nos,

Nos engine piston - nos,

$7.99
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Harley davidson 30298302 men - harley-davidson, men's

Harley davidson 30298302 men - harley-davidson, men's

$19.00
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Knucklehead engine plaque for - plaque,

Knucklehead engine plaque for - plaque,

$39.99
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1954 harley solo wla 45 - 1954,

1954 harley solo wla 45 - 1954,

$2779.99
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Harley bobber knucklehead top - knucklehead,

Harley bobber knucklehead top - knucklehead,

$124.99
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Engine motor mount shim 036 - mount,

Engine motor mount shim 036 - mount,

$39.80
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How build old skool - how, to

How build old skool - how, to

$50.36
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Harley knucklehead rocker - harley, nut

Harley knucklehead rocker - harley, nut

$57.95
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Original harley davidson front - harley,

Original harley davidson front - harley,

$3500.00
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Harley davidson sputhe cam - davidson,

Harley davidson sputhe cam - davidson,

$426.56
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Harley davidson knucklehead - harley-davidson,

Harley davidson knucklehead - harley-davidson,

$5.99
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Harley davidson wla - harley,

Harley davidson wla - harley,

$1579.99
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Vintage knucklehead motor - vintage,

Vintage knucklehead motor - vintage,

$79.95
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Harley davidson knucklehead - davidson,

Harley davidson knucklehead - davidson,

$267.95
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Oem 1940 1947 front - front, tappet

Oem 1940 1947 front - front, tappet

$455.00
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Tapered engine sprocket - tapered,

Tapered engine sprocket - tapered,

$64.98
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Fits harley davidson - harley,

Fits harley davidson - harley,

$45.10
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Harley knucklehead 1936 - harley, 1936-1947

Harley knucklehead 1936 - harley, 1936-1947

$96.95
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Knucklehead engine plaque - engine,

Knucklehead engine plaque - engine,

$23.96
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Harley oem knucklehead engine - oem,

Harley oem knucklehead engine - oem,

$665.00
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1948 harley panhead - harley,

1948 harley panhead - harley,

$18879.99
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1945 harley solo wla 45 - 1945, wl

1945 harley solo wla 45 - 1945, wl

$7779.99
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Oem 1914 1936 cylinder primer - oem,

Oem 1914 1936 cylinder primer - oem,

$85.00
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Harley davidson knucklehead - harley,

Harley davidson knucklehead - harley,

$21.95
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Harley davidson comiskey - harley,

Harley davidson comiskey - harley,

$189.99
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Engine stand for - harley, big

Engine stand for - harley, big

$48.05
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Harley panhead duo glide - harley,

Harley panhead duo glide - harley,

$769.99
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1946 harley solo wla 45 - wl,

1946 harley solo wla 45 - wl,

$1979.99
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📊96 listings · from $5.99 · avg $2616.01
⚠️ These listings were last updated more than 9 days ago. Search for fresh listings

Browse 96 knucklehead engine listings currently in our index. Prices range from $5.99 to $29999.99, with an average of $2616.01. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about knucklehead engine →

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Everything you need to know about knucklehead engine

Whether you are looking for a brand-new or second-hand knucklehead engine, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $5.99, while premium listings can reach $29999.99 — giving you a wide budget spread to work with. The average price of $2616.01 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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