All JD Parts (auto)
Harley Davidson made the F-head Singles from 1915 to 1918 and F-head Twins from 1915 to 1929.
On our parts, we use the term Harley JD as a general descriptor for all of the F-head model singles and twins. The main models were J, F, JD, & FD.
Model J, JE - 61" Battery Model JD - 74" Battery
Model F, FE - 61" Magneto Model FD - 74" Magneto
View all 2019 2020 assembly backordered Bearing Cages Bearing Spacer Bearings Bolt Bracket Breaker Bushing Cages Cam Cam Case Cam Rack cap nut Case Nuts Clutch Clutch Discs Compression Relief ctrl cylinder plug discontinued Drain Plug engine stand Exhaust Lifter pin bushing Exhaust Lifter Pins Exhaust Tappet Exhaust Valve Guides Exhaust Valve Springs Exhaust Valves Featured Footboard Footboard Nuts Gear Gear Chest Gear Stud Plate Guide Idler Gear In Production Inlet Inlet Housing inlet housing cap nut inlet housing nut inlet nut inlet pocket Inlet Screw Intake intake housing Intake Pushrod Springs Intake Pushrods intake rocker arm bolt intake screw Intake Valve Intake Valve Guide Intake Valve Springs Keepers Lifter Pins Lifters Locating Washers Lock Nuts low stock Magneto Muffler Bracket Nut Nuts Pinion Gear Piston Piston Pin Bushing Primer Pushrod Ends Pushrods Rocker Arm Rod Races sale set screw Shift Shift Tower sight window Spark Plugs Springs Sprocket Shaft Seal swap meet tappet tappet bushing Transmission Drain Plug Valve Collar valve guide Valve Pocket Valve spring keepers valve springs valves washers