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 

HARLEY JD LEFT WASHER RETAINER SEAL FELT 1915-1929 61" & 74" TWINS
429-15 HARLEY JD LEFT WASHER RETAINER SEAL FELT 1915-1929 61" & 74" TWINS
$13.42
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49-14 Harley JD Cylinder Primers (1 Pair) 1915-1929 F J & JD Singles & Twins
49-14 Harley JD Cylinder Primers (1 Pair) 1915-1929 F J & JD Singles & Twins
$48.90
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695-15 HARLEY JD OIL WINDOW SIGHT GLASS & GASKETS 1914+
695-15 HARLEY JD OIL WINDOW SIGHT GLASS & GASKETS 1914+
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HARLEY JD CLUTCH SPRINGS(6) 1915-1929 SINGLES & TWINS
2511-15 HARLEY JD CLUTCH SPRINGS(6) 1915-1929 SINGLES & TWINS
$36.20
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2609/10-12 HARLEY JD FORK PLUNGERS LEFT & RIGHT 1912-1929 SINGLES & TWINS
2609/10-12 HARLEY JD FORK PLUNGERS LEFT & RIGHT 1912-1929 SINGLES & TWINS
$169.99
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0340 HARLEY JD ALEMITE FLAT TOP GREASE FITTINGS PRE 1938. 5/16-32TPI (SET OF 6)
0340 HARLEY JD ALEMITE FLAT TOP GREASE FITTINGS PRE 1938. 5/16-32TPI (SET OF 6)
$36.80
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453-11 HARLEY JD ENGINE CASE DRAIN PLUG 1910+
453-11 HARLEY JD ENGINE CASE DRAIN PLUG 1910+
$17.53
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3606-16 HARLEY JD GAS PIPE / GAS LINE 1916-1929 61" & 74" TWINS
3606-16 HARLEY JD GAS PIPE / GAS LINE 1916-1929 61" & 74" TWINS
$104.10
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148-14 HARLEY JD INTAKE LIFTER PINS 1914-1929 TWINS
148-14 HARLEY JD INTAKE LIFTER PINS 1914-1929 TWINS
$48.30
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608-14 HARLEY JD PINION SHAFT SCREW LEFT HAND THREADS 1914-1929
608-14 HARLEY JD PINION SHAFT SCREW LEFT HAND THREADS 1914-1929
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HARLEY-DAVIDSON JD MAGNETO and GENERATOR HOLD DOWN BOLTS
070 HARLEY JD MAGNETO & GENERATOR HOLD DOWN BOLTS 1910-1929
$29.75
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3507-16K - Pair of 'Seconds' Gas Caps or Oil Caps 1916-1934 Harley JD VL RL DL
3507-16K - Pair of 'Seconds' Gas Caps or Oil Caps 1916-1934 Harley JD VL RL DL
$49.10
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1123-21K HARLEY JD INTAKE MANIFOLD GASKET & SCREWS. ALL SCHEBLER CARBS 1921+
1123-21K HARLEY JD INTAKE MANIFOLD GASKET & SCREWS. ALL SCHEBLER CARBS 1921+
$23.10
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4068-14 HARLEY JD CLUTCH ROD END 1914-1929 SHIFT ROD END 1925-1936 & LOCK NUT
4068-14 HARLEY JD CLUTCH ROD END 1914-1929 SHIFT ROD END 1925-1936 & LOCK NUT
$29.15
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3999-15K HARLEY JD OEM REAR AXLE NUT & WASHER KIT. FITS 1915-1929 SINGLES & TWINS.
3999-15K HARLEY JD OEM REAR AXLE NUT & WASHER KIT. FITS 1915-1929 SINGLES & TWINS.
$36.20
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4067-15 HARLEY JD REAR BRAKE ROD CLEVIS & NUT 1915-1929 TWINS. 5/16-24 TPI
4067-15 HARLEY JD REAR BRAKE ROD CLEVIS & NUT 1915-1929 TWINS. 5/16-24 TPI
$29
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3755-11 HARLEY JD REAR FENDER FILLER PLATE W/ BOLTS & NUTS 1911-1929 ALL MODELS
3755-11 HARLEY JD REAR FENDER FILLER PLATE W/ BOLTS & NUTS 1911-1929 ALL MODELS
$49
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2617-09K HARLEY JD FRONT FORK SPRINGS UPPER & LOWER SPRINGS. 1909-1924 61"
2617-09K HARLEY JD FRONT FORK SPRINGS UPPER & LOWER SPRINGS. 1909-1924 61"
$86.90
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101-15 Harley JD 61" Intake Housing Cap Nuts 1915-1929 61" & 1921-1924 74" FD JD
101-15 Harley JD 61" Intake Housing Cap Nuts 1915-1929 61" & 1921-1924 74" FD JD
$48.90
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2645-GC HARLEY JD FRONT ROCKER PLATE GREASE CUPS 1915-1929 SINGLES & TWINS
2645-GC HARLEY JD FRONT ROCKER PLATE GREASE CUPS 1915-1929 SINGLES & TWINS
$48.90
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