VIN/eng part # Group, description & affected parts
     
    Group 21-01 - REAR AXLE ASSEMBLY
    Changed from Dana 23 full floating to Dana 41 semi-floating rear axle.
13453 640111 AXLE, rear, assembly - Dana 23, Full Floating (Up to Serial No. 13453)
13453 640828 AXLE, rear, assembly - Dana 41, Sem-floating (After Serial No. 13453)
     
    Group 15-17 - HORN AND BRACKET
    Changed from long-trumpet to short-trumpet horn. Firewall mount.
13908 A-1312 Horn, Sparton or Schwarze, long trumpet, firewall mount (Up to Serial No. 13908)
13908 645460 Horn, Sparton, short trumpet, firewall & fender mount(After Serial No. 13908, Up to Serial No. 191720)
13908 A-17715 Horn, Auto-lite, short trumpet, firewall & fender mount(After Serial No. 13908, Up to Serial No. 191720)
     
    Group 31-11 - WINDSHIELD ASSEMBLY
    Changed from MB to "lollipop" style windshield adjusters. The change from handle to lock & bumpers are known to have extended beyond this serial number. The parts list is wrong. Actual number TBD, but known to be greater than 16489.
15304 663671 ARM, adjusting, windshield - MB style single bar (Up to Serial No. 15304)
15304 664283 ARM, adjusting, windshield - "Lollipop" elbow type (After Serial No. 15304)
15304 A-4302 HANDLE, windshield frame (Up to Serial No. 15304)
15304 664793 LOCK, center, windshield, assembly (After Serial No. 15304)
15304 664261 BUMPER, back stop (rubber) (After Serial No. 15304)
     
    Group 13-01 - MUFFLER
    Change from passenger side body to rear frame mounted muffler
18638 A-6118 Muffler Assembly - Passenger side mount (Up to Serial No. 18638)
18638 641878 Muffler Assembly - Rear mount (After Serial No. 18638)
     
    Group 20-07 - STEERING KNUCKLE, FLANGE AND ARM
    Change from steering arm on king-pin to steering arm forged w/knuckle
22972 A-822 ARM with KING PIN and LOCK PIN, steering knuckle, upper (Up to Serial No. 22972)
22972 A-811 KNUCKLE, steering (Up to Serial No. 22972)
22972 641630 KNUCKLE and ARM steering (After Serial No. 22972)
     
    Group 15-11A - HEADLIGHT HIGH BEAM TELL-TALE LIGHT
    Added high beam indicator tell-tale on dash.
32434 642982 Light, Headlight Tell-TaIe, Assembly (High Beam) (After Serial No. 32433)
     
    Group 17-01 - TRANSMISSION AND CASE
    Change from column-shift to floor shift transmission
38221 640122 Transmission Assembly (Remote Control (Column Shift)) - Up to Serial No. 38221
38221 644317 Transmission Assembly (Cane (Floor Shift)) - After Serial No. 38221
38221 663661 BODY Complete Assembly - Column shift (Up to Serial No. 38221)
38221 664948 BODY Complete Assembly - Floor shift (After Serial No. 38221)
     
    Group 15-09 - HEAD LIGHTS
    Change headlight bezels from body color to chrome
38687 640695 DOOR, head light, assembly - Up to Serial No. 38687 (originals body color, replacements black)
38687 643732 DOOR, head light, assembly - After Serial No. 38687 (chrome)
     
    Group 10-16A - OIL FILTER
    Change oil filter manufacturers. Parts list has incomplete VIN numbers
40352 A-1230 FILTER, Oil, Assembly (Up to Engine Serial No. 40352)
40352 645638 FILTER, Oil, Assembly (Purolator Products) (After Engine Serial No. 40352)
40352 643147 FILTER, Oil, Assembly (After Engine Serial No. 40352) (Up to Engine Serial No. ??? )
     
    Group 24-01 - HAND BRAKE-EMERGENCY BRAKE
    Change emergency brake handle from black to "chrome"
44304 639244 HANDLE, operating (Black) (Up to Serial No. 44304)
44304 643123 HANDLE, operating (Chrome) (After Serial No. 44304)
     
    Group 10 - ENGINE
    Change from chain drive cam timing to gear drive cam timing.
44417 640163 Engine Block - Chain drive cam - Up to Engine Serial No. 44417
44417 641145 Engine Block - Gear drive cam - After Engine Serial No. 44417
44417 637065 CAMSHAFT (Chain driven) - Up to Engine Serial No. 44417
44417 638457 CHAIN, drive, camshaft - Up to Engine Serial No. 44417
44417 638458 SPROCKET, camshaft (36 teeth) - Up to Engine Serial No. 44417
44417 638459 SPROCKET, crankshaft (18 teeth) - Up to Engine Serial No. 44417
44417 641284 CAMSHAFT (Gear Driven) - After Engine Serial No. 44417
44417 641283 GEAR, timing, camshaft (56 teeth) - After Engine Serial No. 44417
44417 641282 GEAR, timing, crankshaft (28 teeth) - After Engine Serial No. 44417
44417 640439 COVER, timing chain, assembly - Up to Engine Serial No. 44417
44417 643834 COVER, gear, assembly - After Engine Serial No. 44417
44417 630364 STUD, camshaft thrust plunger - Up to Engine Serial No. 44417
44417 637636 Pump, Oil, Assembly (for chain driven camshaft) (Up to Engine Serial No. 44417)
44417 641046 Pump, Oil, Assembly (for gear driven camshaft) (After Engine Serial No. 44417 Up to 163075)
44417 642272 PLATE, engine, front, assembly (Chain driven cam) (Up to Engine Serial No. 44417)
44417 641143 PLATE, engine, front, assembly (Gear driven cam) (After Engine Serial No. 44417)
     
    Group 15-09A - PARKING LIGHT
    Change from black bezel to chrome bezel bullet marker lights.
45680 640198 Light, Parking, "bullet" type - Black bezel (Up to Serial No. 45680)
45680 643942 Light, Parking, "bullet" type - Chrome bezel (After Serial No. 45680, Up to Serial No. 97740)
     
    Group 15-09B - TAIL AND STOP LIGHT
    Change from black bezel to chrome bezel tail light.
45723 640749 Light, Tail and Stop, NACO Standard (Black Door) (Up to Serial No. 45723)
45723 643726 Light, Tail and Stop, NACO Standard (Chrome Plated Door) (After Serial No. 45723)
     
    Group 12-05 - AIR CLEANER
    Change design of Oakes filter, and add Donaldson filter. Unknown splash shield change
45984 A-5629 Cleaner, Air, Assembly (Oakes)
45984 642825 Cleaner, Air, Assembly (Oakes) (After Serial No. 45984)
45984 A-642 SHIELD, air cleaner, assembly (Up to Serial No. 45984)
45984 641919 SHIELD, air cleaner, assembly (After Serial No. 45984)
     
    Group 15-15 - JUNCTION BLOCK
    Change electrical junction from 2-post to 3-post.
47099 639599 Block, Junction, 2-Post, Headlight Wires (Up to No. 47099)
47099 638977 Block, Junction, 3-Post, Headlight Wires (After Serial No. 47099)
     
    Group 15-17 - HORN AND BRACKET
    Move horn from firewall to fender
51228 A-1389 BRACKET, horn, FIREWALL mounting (Up to Serial No. 51228)
51228 664986 BRACKET, horn, FENDER mounting (After Serial No. 51228)
     
    Group 10-03 - CRANKSHAFT
    Change crank from forged counterweight to bolt-on counterweight.
54100 A-7568 KIT, Crankshaft and Dowel - Up to Serial No. 54100
54100 642969 KIT, crankshaft and dowel bolt (Counterweight Type)
     
    Group 12-08 - ACCELERATOR AND LINKAGE
    Change accelerator hinge mount on block from studs to bolts.
54617 639607 BRACKET, accelerator cross shaft
54617 53986 BOLT, hex. hd., 1/4"-20 x 9/16" (After Serial No.54617)
54617 5914 NUT, hex., 1/4"-28, cross shaft bracket stud (Up to Serial No.54617)
54617 337304 STUD, 1/4"-20 x 7/8" (Up to Serial No.54617)
     
    Group 15-19 - REFLEX REFLECTOR
    Change passenger side reflector bezel from black to chrome
67921 640008 Reflector, Reflex, Assembly (Black) (Up to Serial No. 67921)
67921 643897 Reflector, Reflex, Assembly (Chrome) (After Serial No. 67921)
     
    Group 12-04 - CARBURETOR
    Change carb from WO-596S to 636S, to accommodate additional governors.
69589 640304 Carburetor Assembly - CARTER 596-S (Up to Serial No. 69589)
69589 643337 Carburetor Assembly - CARTER 636-S (After Serial No. 69589, Up to Serial No. 212110)
     
    Group 10-10 - VALVE SPRING COVER AND GASKETS
    Change valve cover bolt lengths to accommodate undocumented block casting change
89011 632158 BOLT, hex. hd.,5/16"-18 x 4 1/8" (Valve cover to cylinder block, front) Up to Engine Serial No. 89011
89011 639052 BOLT, hex. hd., 5/16"-18 x 3 1/16" (Valve cover to cylinder block, rear)
89011 645093 BOLT, hex. hd., 5/16"- 18 x 3 11/16" (Valve cover to cylinder block, long) After Engine Serial No. 89011
89011 645094 BOLT, hex. hd., 5/16"-18 x 2 9/16" (Valve cover to cylinder block, short)
     
    Group 10-05 - CONNECTING RODS AND BEARINGS
    Reduce connecting rod bolt size from 7/16" dia. To 3/8" dia.
89737 640071 Rod, Connecting, Less Bearings, Nos. 1and 3, Assembly (Up to Engine Serial No. 89737)
89737 641774 Rod, Connecting, Less Bearings, Nos. 1 and 3, Assembly (After Engine Serial No. 89737)
89737 640070 BOLT, connecting rod bearing cap, 7/16"-20 (Up to Engine Serial No. 89737)
89737 641768 BOLT, connecting rod bearing cap, 3/8"-24 (After Engine Serial No. 89737)
89737 636962 NUT, connecting rod cap bolt (hex., 7/16"-20) (Up to Engine Serial No. 89737)
89737 641769 NUT, connecting rod cap bolt (hex., 3/8"-24) (After Engine Serial No. 89737)
     
    Group 14-03 - RADIATOR GUARD and 15-09A - PARKING LIGHT
    Change park lights from bullet to flush mount. Change grille accordingly
97740 663536 Guard, Radiator, Assembly - for "bullet" marker lights (Up to Serial No. 97740)
97740 668124 Guard, Radiator, Assembly - for flush mount marker lights (After Serial No. 97740)
97740 641555 BEZEL, parking light, flush mount type (After Serial No. 97740)
     
    Group 15 - INSTRUMENTS
    Remove under dash instrument lamp switch, add new style instrument lamp
116421 640284 Light, Instrument Panel, Assembly (Up to Serial No. 116421)
116421 645177 Light, Instrument Panel, Assembly (After Serial No. 116421)
116421 635737 Switch, Instrument Panel Light, Assembly (Up to Serial No. 116421)
     
    Group 31-11 - WINDSHIELD ASSEMBLY
    Change windshield pivot screw from wing bolt to shoulder bolt.
155883 A-3755 SCREW, thumb, windshield pivot (Up to Serial No. 154883)
155883 668921 SCREW, hex hd., windshield pivot, 3/8"-24, shoulder dia. 5/8" (After Serial No. 154883)
     
    Group 10-13B - OIL PUMP WITH ALUMINUM BODY
    Change oil pump body to cast aluminum..
163706 645631 Pump, Oil, Assembly (aluminum body) - After Engine Serial No. 163706
     
    Group 10-03 - CRANKSHAFT
    Unknown crankshaft change
165476 647078 KIT, crankshaft and dowel bolt (After Engine Serial No. 165476 with Gear Driven Camshaft)
     
    Group 14-02 - RADIATOR HOSE
    Change metal-tube w/short coupling hoses to full length rubber hoses.
170064 A-6373 HOSE, radiator inlet - for metal tube (Up to Serial No. 170064)
170064 A-592 HOSE, radiator outlet - for metal tube (Up to Serial No. 170064)
170064 640882 TUBE, connecting, radiator water inlet (Up to Serial No. 170064)
170064 640883 TUBE, connecting, radiator water outlet (Up to Serial No. 170064)
170064 645746 HOSE, radiator, inlet, 12 1/4" long (After Serial No. 170064)
170064 645902 HOSE, radiator, outlet (moulded) (After Serial No. 170064)
     
    Group 10-03 - CRANKSHAFT
    Remove hand-crank pin from crankshaft nut.
178216 387633 NUT and PIN, crankshaft, assembly (Starting Crank Nut) (Up to Engine Serial No. 178216)
178216 638513 NUT, crankshaft Pulley (After Engine Serial No. 178216)
     
    Group 15-17A - HORN BUTTON AND WIRING, and 23-02 - STEERING GEAR ASSEMBLY
    Change horn contact wire from column mount brush, to steering box bottom exit.
178361 A-752 CABLE, horn, column brush contact (Up to Serial No. 178361)
178361 645741 CABLE, horn, steering box exit (After Serial No. 178361)
178361 A-740 HOUSING, steering gear - for column mounted horn wire (Up to Serial No. 178361)
178361 646289 HOUSING, steering gear - for gear housing exit horn wire (After Serial No. 178361)
     
    Group 24-01 - HAND BRAKE-EMERGENCY BRAKE
    Change e-brake cable from sleeve & yoke, to ball & eyelet connections.
183498 A-15150 HANDLE and RATCHET TUBE, emergency brake, assembly (Up to Serial No. 183498)
183498 646141 HANDLE and RATCHET TUBE, emergency brake, assembly (After Serial No. 183498)
183498 640353 CABLE and CONDUIT, ratchet tube, assembly (Up to Serial No. 183498)
183498 646142 CABLE and CONDUIT, ratchet tube, assembly (After Serial No. 183498)
     
    Group 15-17 - HORN AND BRACKET
    Change short trumpet horns to flat grille horns?
191720 645895 Horn, Sparton, grille faced?, fender mount (After Serial No. 191720)
191720 646773 Horn, Auto-lite, grille faced?, fender mount (After Serial No. 191720)
191720 648159 Horn, E.A. Labs, grille faced?, fender mount (After Serial No. 191720)
     
    Group 30-01 - HOOD
    Added water drip channel to hood hinge
193801 670345 TROUGH, drain, hood hinge (After Serial No. 193800)
     
    Group 23-01 - STEERING AND BELL CRANK and Group 26-01 - FRAME
    Change bell crank mount to newer style w/larger diameter shaft
199079 640184 CRANK, bell, steering, 3/4" shaft (Up to Serial No. 199079)
199079 647008 CRANK, bell, steering, 7/8" shaft (After Serial No. 199019)
199079 640218 Frame Assembly - for 3/4" bell crank shaft (Up to Serial No. 199079)
199079 641048 Frame Assembly - for 7/8" bell crank shaft (After Serial No. 199079 up to Serial No. 215649 )
     
    Group 12-04 - CARBURETOR
    Change from WO-636S to 636SA carb. Reasons unknown.
212110 647744 Carburetor Assembly - CARTER 636-SA (After Serial No. 212110)
     
    Group 24-06 - BRAKE MASTER CYLINDER, 26-01 - FRAME, and 32-01 - FRONT BUMPER
    Changes to accommodate new CJ3A style frame construction? Bumper mounts direct to frame.
215649 A-556 Cylinder, Brake Master, Assembly (With Cast Iron Body) (Up to Serial No. 215649)
215649 647588 Cylinder, Brake Master, Assembly (With Aluminum Body) (After Serial No. 215649)
215649 646950 Frame Assembly - CJ3A frame style frame, except engine mounts (After Serial No. 215649 )
215649 640713 BAR, front bumper - use w/ gussets (Up to Serial No. 215649)
215649 645119 BAR, front bumper - no gussets (After Serial No. 215649)
215649 A-1129 GUSSET, front bumper, lower, left (Up to Serial No. 215649)
215649 A-1130 GUSSET, front bumper, lower, right (Up to Serial No. 215649)
215649 A-1127 GUSSET, front bumper, upper, left (Up to Serial No. 215649)
215649 A-1128 GUSSET, front bumper, upper, right (Up to Serial No. 215649)