All JD Parts

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 

3115-12 Seat Post Spring Plunger Assembly. 1912-1924 Harley J JD F Made in USA.
3115-12 Seat Post Spring Plunger Assembly. 1912-1924 Harley J JD F Made in USA.
$143.50
View
4073-23 HARLEY JD BRAKE ARM CLAMP BOLT, NUT, AND LOCK WASHER 1923-1929 TWINS
4073-23 HARLEY JD BRAKE ARM CLAMP BOLT, NUT, AND LOCK WASHER 1923-1929 TWINS
$30.30
View
545-12 HARLEY JD RELIEF PIPE NUT 1912-1929 TWINS
545-12 HARLEY JD RELIEF PIPE NUT 1912-1929 TWINS
$29.15
View
1110-25 MANIFOLD SUPPORT BRACKET. 1925-1929 BIG TWINS 61" 74" HARLEY J JD JDH
1110-25 MANIFOLD SUPPORT BRACKET. 1925-1929 BIG TWINS 61" 74" HARLEY J JD JDH
$32
View
BK9321STD HARLEY JD - LEFT CASE ROLLER BEARINGS (standard) 1925-1929
BK9321STD HARLEY JD - LEFT CASE ROLLER BEARINGS (standard) 1925-1929
$34.65
View
FK-106 / 3067-17 HARLEY JD REAR FENDER STAND CATCH 1917-1929
FK-106 / 3067-17 HARLEY JD REAR FENDER STAND CATCH 1917-1929
$49.99
View
3572-15 HARLEY JD CRANK CASE OIL PIPE 1915-1927 61" 74" TWINS
3572-15 HARLEY JD CRANK CASE OIL PIPE 1915-1927 61" 74" TWINS
$60.10
View
181-21 HARLEY JD EXHAUST VALVES & SPRINGS 1921-1929
181-21 HARLEY JD EXHAUST VALVES & SPRINGS 1921-1929
$70.90
View
626-11 HARLEY JD MAGNETO DRIVE GEAR 1911-1929 MAGNETO TWINS 40 TOOTH
626-11 HARLEY JD MAGNETO DRIVE GEAR 1911-1929 MAGNETO TWINS 40 TOOTH
$61
View
3571-15 HARLEY JD DRIVE CASE OIL PIPE (internal oil pump) 1915-1922 61" & 74" TWINS
3571-15 HARLEY JD DRIVE CASE OIL PIPE (internal oil pump) 1915-1922 61" & 74" TWINS
Sold Out
View
3507-16 'Seconds' Gas Cap or Oil Cap for 1916-1934 Harley JD VL RL DL
3507-16 'Seconds' Gas Cap or Oil Cap for 1916-1934 Harley JD VL RL DL
$29.10
View
428-15 HARLEY JD FELT WASHER SEAL, SCREWS, & RETAINER 1915-1929 ALL TWINS
428-15 HARLEY JD FELT WASHER SEAL, SCREWS, & RETAINER 1915-1929 ALL TWINS
$52.20
View
HARLEY DAVIDSON JD VL CRANK PIN & NUTS 1915-1936 TWINS
348-15 HARLEY JD VL CRANK PIN & NUTS 1915-1936 TWINS
$70.90
View
127-23 Harley JD Intake Pushrods. 1 Pair. 1923-1929 74" MOTORS
127-23 Harley JD Intake Pushrods. 1 Pair. 1923-1929 74" MOTORS
$89
View
2617-25 HARLEY JD FRONT FORK SPRINGS UPPER & LOWER SPRINGS. 1922-1929
2617-25 HARLEY JD FRONT FORK SPRINGS UPPER & LOWER SPRINGS. 1922-1929
$84.60
View
604-11 Pinion & Relief Valve Gear 1911-1929 Harley JD Twins. All Models
604-11 Pinion & Relief Valve Gear 1911-1929 Harley JD Twins. All Models
$72
View
136-28 HARLEY JD UPPER PUSHROD ENDS 1928-1929 61" 74" Twins
136-28 HARLEY JD UPPER PUSHROD ENDS 1928-1929 61" 74" Twins
$48.90
View
2827-12 HARLEY JD REAR AXLE ADJUSTING SCREWS & NUTS (SHORT) 1912-1926 ALL MODEL
2827-12 HARLEY JD REAR AXLE ADJUSTING SCREWS & NUTS (SHORT) 1912-1926 ALL MODEL
$36.20
View
2027-15 HARLEY JD ENGINE SPROCKET 18 TOOTH 1915-1929 SINGLES & TWINS 530 CHAIN
2027-15 HARLEY JD ENGINE SPROCKET 18 TOOTH 1915-1929 SINGLES & TWINS 530 CHAIN
$46.70
View
110-15 HARLEY JD INTAKE VALVE BOLTS, NUTS, & BUSHINGS 1915 - 1926
110-15 HARLEY JD INTAKE VALVE BOLTS, NUTS, & BUSHINGS 1915 - 1926
$46.70
View