AMC 20 Rear Axle
1976-1986 CJ-5, 7, 8
1980-1986 SJ, J-Series
Item numbers match the diagram. Each part number searches Amazon for that Crown part.
| Item # | Description | Application / Position | Comments | Size | Part No. |
|---|---|---|---|---|---|
| 1 | Ring and Pinion Set |
All All All All All |
2.73 Ratio (41/15) 3.31 Ratio (43/13) 3.54 Ratio (39/11) 4.10 Ratio (41/10) 4.56 Ratio (41/9) |
J8132699* J8132700 J4486825 J8127072 J8134410 |
|
| 2 | Bearing Set, Differential | All | Includes 2 Bearings and 2 Cups | 4864213 | |
| 3 | Shim Set, Differential | All | J3205532 | ||
| 4 | Case Only, Trac-Lok | 76/86 CJ-5, 7, 8 | w/ 3.31, 3.54, 3.73, 4.10, 4.56 Ratio | J8120280 | |
| 5 | Case Assembly, Trac-Lok | 76/86 CJ-5, 7, 8 | w/ 3.31, 3.54, 3.73, 4.10, 4.56 Ratio | J3212192 | |
| 6 | Gear Set, Differential |
All All |
Standard Trac-Lok |
J8127092 J8120326 |
|
| 7 | Disc Kit, Differential | All | Trac-Lok | J8120325 | |
| 8 | Spacer, Differential | 76/86 CJ-5, 7, 8 | J3162323 | ||
| 9 | Differential Shaft Pin | All | G455313 | ||
| 10 | Bolt, Ring Gear | All | J4004051* | ||
| 11 | Bearing Set, Pinion | All Inner | 4746979 | ||
| 12 | Shim Set, Pinion | All | 3205533K | ||
| 13 | Spacer, Pinion | All | J3185971 | ||
| 14 | Bearing Set, Pinion | All Outer | 4864210 | ||
| 15 | Seal, Pinion | All | 83504946 | ||
| 16 | Yoke, Pinion |
All All |
U-Bolt Type Strap and Bolt Type |
J8129201 83502058 |
|
| 17 | Nut, Pinion | All | J3182601 | ||
| 18 | Pinion Seal Kit | All | Includes #15 and 17 | J3208474 | |
| 19 | U-Bolt Kit | All | A490K | ||
| 20 | U-Bolt and Yoke Kit | All | Includes #16, 18 and 19 | AMC20YOKEUBK | |
| 21 | Limited Slip Additive | All | 4 oz. Bottle | 4318060AB | |
| 22 | Axle Shaft |
76/83 CJ-5 Left 76/81 CJ-7 Left 76/83 CJ-5 Right 76/81 CJ-7 Right 82/86 CJ-7, 8 Left 82/86 CJ-7, 8 Right 76/79 CJ-5, 7 Left 76/79 CJ-5, 7 Right 80/86 SJ Left 80/86 SJ Right 80/86 J-10 Left 80/86 J-10 Right |
Less Quadra-Trac Less Quadra-Trac Less Quadra-Trac Less Quadra-Trac Less Quadra-Trac Less Quadra-Trac w/ Quadra-Trac w/ Quadra-Trac Flanged Flanged Flanged Flanged |
26-5/16" 26-5/16" 29-1/4" 29-1/4" 28-9/16" 31-9/16" 33-1/2" 22" 27-3/4" 29-1/4" 31-3/4" 32-1/8" |
J8127070 J8127070 J8127071 J8127071 J8133885 J8133886 J8127079 J8127081 J3235807 J3235806 J3235809 J3235808 |
| 23 | Bearing Kit, Axle Shaft |
76/86 CJ-5, 7, 8 L or R 80/86 SJ, J-Series L or R |
Includes 1 Bearing and 1 Cup Includes 1 Bearing and 1 Cup |
J8134015 83503064 |
|
| 24 | Seal, Axle Shaft |
76/86 CJ-5, 7, 8 Inner 80/86 SJ, J-Series Inner |
J3170700 J3235929 |
||
| 25 | Shim, Wheel Bearing Shim Set, Wheel Bearing |
76/86 CJ-5, 7, 8 76/86 CJ-5, 7, 8 76/86 CJ-5, 7, 8 |
.003" Thick .010" Thick Includes 1 - .003" and 1 - .010" |
J3141319 J3141320 3141319K |
|
| 26 | Seal, Axle Shaft |
76/86 CJ-5, 7, 8 Outer 80/86 SJ, J-Series Outer |
J4485691 83503063 |
||
| 27 | Retainer, Axle Shaft |
76/86 CJ-5, 7, 8 80/86 SJ, J-Series |
J3184573 J8133197 |
||
| 28 | Stud, Wheel |
76/86 CJ-5, 7, 8 80/86 SJ, J-Series |
J5355719 J3230413 |
||
| 29 | Hub | 76/86 CJ-5, 7, 8 | J8133730 | ||
| 30 | Washer, Hub | 76/86 CJ-5, 7, 8 | J0131018 | ||
| 31 | Nut, Hub | 76/86 CJ-5, 7, 8 | J3155675 | ||
| 32 | Dust Cap | 76/86 CJ-5, 7, 8 | J5362283 | ||
| 33 | Key, Axle Shaft | 76/86 CJ-5, 7, 8 | G103905 | ||
| 34 | Nut Kit, Hub | 76/86 CJ-5, 7, 8 | Includes # 30, 31 and 33 | 3155675K | |
| 35 | Gasket, Differential Cover | All | J3172122 | ||
| 36 | Bolt, Differential Cover | All | 5/16"-18 x 1/2" | J0273573 | |
| 37 | Retaining Ring, Axle Shaft Bearing | 76/86 CJ-5, 7, 8 | For use with RT Off-Road One-Piece Axle Kit | SSPACER | |
| 38 | Bearing, Spicer, Axle Housing | 76/86 CJ-5, 7, 8 | For use with RT Off-Road One-Piece Axle Kit | LSPACER | |
| 39 | Axle Shaft Bearing Kit | 76/86 CJ-5, 7, 8 | For use with RT Off-Road One Piece Axle Kit; One Side | 7086BK | |
| 40 | One Piece Axle Shaft Kit |
76/83 CJ-5 L and R 76/81 CJ-7 L and R 82/86 CJ-7, 8 L and R |
Replacement 1 Pc. Flanged, Less Quadra-Trac Replacement 1 Pc. Flanged, Less Quadra-Trac Replacement 1 Pc. Flanged, Less Quadra-Trac |
RT23007 RT23007 RT23008 |
|
| 41 | One Piece Axle Shaft Kit |
82/86 CJ-7, 8 Right 82/86 CJ-7, 8 Left 76/81 CJ-5, 7, 8 Right 76/81 CJ-5, 7, 8 Left |
w/o Quadra-Trac w/o Quadra-Trac |
28-7/16" 25-5/8" 26-1/4" 23-5/8" |
J81338861 J81338851 J81270711 J81270701 |
| 42 | Bearing and Seal Kit |
76/86 CJ-5, 7, 8 80/86 SJ, J-Series |
One Side One Side |
3150046K J8130510 |
|
| 43 | Hub Kit | 76/86 CJ-5, 7, 8 | 8133730K | ||
| 44 | Axle Shaft Kit |
76/83 CJ-5 Left 76/81 CJ-7 Left 76/83 CJ-5 Right 76/81 CJ-7 Right 82/86 CJ-7, 8 Left 82/86 CJ-7, 8 Right 76/79 CJ-5, 7 Left 76/79 CJ-5, 7 Right |
Less Quadra-Trac Less Quadra-Trac Less Quadra-Trac Less Quadra-Trac Less Quadra-Trac Less Quadra-Trac |
26-5/16" 26-5/16" 29-1/4" 29-1/4" 28-9/16" 31-9/16" 33-1/2" 22" |
8127070K 8127070K 8127071K 8127071K 8133885K 8133886K 8127079K 8127081K |
| 45 | Bearing and Seal Kit | 76/86 CJ-5, 7, 8 | AM20BK |
* Not Currently Available