As anyone who's seen “American Pickers” on the History Channel knows, vintage motorcycle parts can be harder to find than the bikes themselves. From forks and fenders to saddlebags and speedometers, finding that elusive vintage motorcycle part for a treasured Harley-Davidson or Indian can be a collector's dream come true.

Harley parts are in a class by themselves. Sometimes the need is simple—a replacement petcock valve, for example, between the bike’s gas tank and carburetor. Other times, the part needs to be decorative as well as functional—maybe you need the gas tank itself, or you’ve always wanted to attach a sidecar to your ride.

While do-it-yourselfers routinely seek frames, handlebars, and headlights for Harleys made in the late teens, the ’20s, and the early ’30s, parts for Knuckleheads, manufactured from 1936 to 1947, make up a sizable portion of the vintage Harley parts market. Sometimes the prize is nothing more than an authentic emblem, but serious mechanics are often looking for original cylinders...

Other vintage Harley parts include a fairing like the one that was mounted on the front of Elvis Presley’s 1956 KH, Panhead parts from 1948 to 1965, and Hydra Glide and Duo Glide parts from 1949 to 1957 and 1958 to 1964 respectively.

Indian motorcycles are also a favorite of collectors in search of parts. Especially in demand is the curving gas tank for Indian’s 101 Scout from 1928. Sport Scouts, Indian Fours, and Indian Chiefs are also routinely restored—fans of the Chief tend to be on the lookout for the bike’s distinctive cowl-like fenders, which gave the two-wheeled machine a streamlined look.

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1959 Harley Duoglide Hydraglide Panhead Pan Fl Fle Knucklehead Oem Engine Motor1951 Harley Panhead Motor Fl 74 Titled Ridged Bobber Chopper Custom Engine CaseOem 1928 Harley J Jd 74" Complete Numbers Matching Motor Indian Corbin Rare!!! Knucklehead~panhead~vintage Old School Chopper~biker Art~sculpture~barn Fresh1948 Harley Panhead Off Set Springer Front End Fork Assembly Oem Original Paint1940 Indian Sport Scout Flathead Sidevalve Knucklehead Panhead Bobber1979 Harley Davidson Sportster1958 Harley Davidson Sportster 8831959 Harley Duoglide Hydraglide Panhead Pan Fl Fle Knucklehead Oem Heads Nice!!!1959 Harley Duoglide Hydraglide Panhead Pan Fl Fle Knucklehead Oem Frame Uncut !1959 Harley Duoglide Hydraglide Panhead Pan Fl Fle Knucklehead Oem TransmissionOem 1928 Harley J Complete Motor With Magneto / Rare!!! Wr Jd1938 Harley Davidson Ul Flathead Motor1935 1936 1937 1938 1939 1940 Harley Tool Box And Mount. Wl, Knucklehead, Ul 1938 Harley Knucklehead Flathead Frame1979 Harley Ironhead Sportster Xl 1000 Xl1000 Xlch *266 Frame + Engine1939 Harley Deluxe Solo Seat Knucklehead Flathead 45"Vintage Harley 1948 Ul Motor Case Set Engine Knucklehead Flathead Original OemHd 72 Sportster Motor Complete With Trans And Primary DriveHarley Original 1959 1960 Panhead Hand Shift Gas Tanks Fl FlhFrame Harley Knucklehead Original Rigid Chopper Panhead EngineHarley 45 Wl Wla Wlc G Servi Car Springer Fork Assembly OemOem Harley J Jd Jdh Peashooter Single Springer Front Fork Straight Ready To Run!1959 Harley Duoglide Hydraglide Panhead Pan Fl Fle Knucklehead Oem Gas TanksHarley Knucklehead Fender Light Panhead Shovelhead Flathead ChopperChopper Front End Springer Harley Triumph Panhead Knucklehead Girder Spirder Original 1949 Harley-davidson Panhead Rear Fender Also Fits 1950 For Rigid Frame1974 Harley Ironhead Sportster Knucklehead/panhead/harley 45 Tall Spot Lamps Guide S-h2 Oem Rare1940-1947 Harley Front Complete Big Port Knucklehead Head (4)Harley 45 Servi Car G Rear End Assembly Complete Axle Differential Brakes Drums1959 Harley Duoglide Hydraglide Panhead Pan Fl Fle Knucklehead Oem Speedometer !Harley Davidson Fl Flh Front End Forks Nacelle Wheel Sliders Panhead Shovelhead1941 Thru 1973 Harley Serivcar Servi Car 3 Speed Transmission With Reverse (12)Oem Harley J Jd 74" 61" Gas Tank Split Fuel Good Threads Toasty Rare Original Oem Harley Davidson Knucklehead Rocker Boxes Head Motor Indian Motorcycle Original Paint Tool Box 1920's 101, Indian 4, Scout Or Chief Storz Road Race Style Alloy Gas Tank Harley Sportster Xr 883 /1200 1986-2003Harley 45 G Servi Car Rear Storage Box Oem Very Nice Sheet Metal Harley Footboards Oem Vintage,jd,vl,el,ul, Knucklehead,flathead 45 Foot BoardsIndian Chief Bonneville Carburator OriginalHarley Davidson Knucklehead Oil Pump 1941 / 47Harley Knucklehead Panhead Linkert M74b Carb RebuiltOriginal Harley-davidson Saddlebags & Mounting Rails Fxr Touring Fxrt Fxrp ???Antique Harley Front Siren For Servicar, Panhead And Flh 1958-1965 And Later 1920 Harley Davidson Engine "l20t" F-head Army Motor-cases,piston,crank,headsOriginal Indian Motorcycle Early Chief Four Fender Harley 45 G Servi Car Rear Fenders Restored OemBrand New Morris Magneto, Harley, Flathead Sportster Knucklehead Chopper Bobber Original Vintage Harley #1 Great American Freedom Machine 6 Feet Banner Sign 508Harley Nos Spark Plug 3 Knucklehead Ul Ulh 45 Wl Wla Vl Servicar Flathead 74 80Oem Harley Davidson 0.10+ Evo Cylinders With Screamin Eagle Pistons & RingsVintage 1985 - 1986 Harley Davidson Fxrt ( Sport Glide ) Gas Tank And FendersFlathead Servicar Trike Chassis Harley Knucklehead 1936 Stepped Hub Wheel 18 InchHarley Flanders Panhead Knucklehead Original Super Rare #20 Brass RisersHarley Davidson Fl Flh Front End Forks Axle Triple Tree Panhead ShovelheadS&s Super E Shorty Carburetor Harley Panhead Shovelhead Sportster Evo CompleteGenuine Hd 51-53 Panhead Footshift Gas Tanks Knucklehead Springer Flanders BatesNos 1941-43 Indian Scout Military Linkert M741-1 Never Used, Complete 42