| Item No. |
Part Number |
Name | R.G. Size | Ratios | Req | Spline | Table Name | Years | Price |
Buy |
|
| 1 |
GM12MSK
|
Master Shim Kit (Not sold sep.)
| | | Ar | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 2 |
GM12-273
|
Crown & Pinion, 2.73 Ratio, Quality Gear (1)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 2 |
GM12-276
|
Crown & Pinion, 2.76 Ratio, Quality Gear (1)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 2 |
GM12-308
|
Crown & Pinion, 3.08 Ratio, Quality Gear (1)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 2 |
GM12-342
|
Crown & Pinion, 3.42 Ratio, Quality Gear (1)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 2 |
GM12-373
|
Crown & Pinion, 3.73 Ratio, Quality Gear (1)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 2 |
GM12-373X
|
Crown & Pinion, 3.73 Ratio (Thick Gear, No Case Change Req) (1)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 2 |
GM12-411
|
Crown & Pinion, 4.11 Ratio, Quality Gear (1)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 2 |
GM12-410X
|
Crown & Pinion, 4.11 Ratio (Thick Gear, No Case change Req) (1)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 2 |
GM12-456
|
Crown & Pinion, 4.56 Ratio, Quality Gear (1)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 2 |
GM12-488
|
Crown & Pinion, 4.88 Ratio, Quality Gear (1)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 2 |
GM12-513
|
Crown & Pinion, 5.13 Ratio, Quality Gear (1)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 4 |
14003451
|
Bolt, Crown
| | | 12 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 5 |
6258088
|
Case, (Open, Empty)(2.76-3.42 Ratio)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 5 |
6258086
|
Case, (Open, Empty)(3.73 & Up)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 5 |
14038052
|
Case, (2.56 & 2.73 Ratio)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 6 |
KOY R1559TV
|
Bearing, Axle
| | | 2 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 7 |
CRS 16404
|
Seal Axle
| | | 2 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 8 |
--
|
Axle Shaft
| | | | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 22 |
404-61EYA
|
End Yoke, 1310 Series (404-61EYA or 3104-09)
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 22 |
3879208
|
End Yoke, 1330 Series
| | | | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 22 |
3504-07
|
End Yoke, 1350 Series
| | | 1 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 23 |
383322
|
C-clip
| | | 2 | | GM 8 7/8" 12 Bolt Rear Differential - Truck | | Log in to see
prices |
|
|
| 9, 10, 11, 12, 13, 14, 15 |
R12TR
|
Master Overhaul Kit
| | | 1 | | GM 8.875(12 Bolt) Truck | | Log in to see
prices |
|
|
| 9 |
3954482
|
Crush Sleeve
| | | 1 | | R12Tr - Master Rebuild Kit (Truck) | | Log in to see
prices |
|
|
| 10 |
KOY HM89410
|
Bearing, Pinion Inner (Cup)
| | | 1 | | R12Tr - Master Rebuild Kit (Truck) | | Log in to see
prices |
|
|
| 10 |
KOY HM89449
|
Bearing, Pinion Inner (Cone)
| | | 1 | | R12Tr - Master Rebuild Kit (Truck) | | Log in to see
prices |
|
|
| 11 |
KOY LM603012
|
Bearing, Diff Side (cup)
| | | 2 | | R12Tr - Master Rebuild Kit (Truck) | | Log in to see
prices |
|
|
| 11 |
KOY LM603049
|
Bearing, Diff Side (Cone)
| | | 2 | | R12Tr - Master Rebuild Kit (Truck) | | Log in to see
prices |
|
|
| 12 |
15634848
|
Gasket
| | | 1 | | R12Tr - Master Rebuild Kit (Truck) | | Log in to see
prices |
|
|
| 13 |
3752901
|
Nut, Pinion
| | | 1 | | R12Tr - Master Rebuild Kit (Truck) | | Log in to see
prices |
|
|
| 14 |
CRS 17190
|
Seal, Pinion
| | | 1 | | R12Tr - Master Rebuild Kit (Truck) | | Log in to see
prices |
|
|
| 15 |
KOY M88010
|
Bearing, Pinion Outer (Cup)
| | | 1 | | R12Tr - Master Rebuild Kit (Truck) | | Log in to see
prices |
|
|
| 15 |
KOY M88048
|
Bearing, Pinion Outer (Cone)
| | | 1 | | R12Tr - Master Rebuild Kit (Truck) | | Log in to see
prices |
|
|
| 16, 17, 18, 19, 20, 21 |
GM12-SPGK
|
Internal Nest Kit
| | | 1 | | GM 8.875(12 Bolt) Nest Kit-Open Diff-30 Spline | | Log in to see
prices |
|
|
| 16 |
472546
|
Lockscrew (0.312 x 18TPI x 2.00 | Pin Dia. 0.2405)
| | | 1 | | GM12-SPGK - Internal Nest Kit | | Log in to see
prices |
|
|
| 17 |
3931175
|
Shaft, Pinion
| | | 1 | | GM12-SPGK - Internal Nest Kit | | Log in to see
prices |
|
|
| 18 |
3846425
|
Washer, Side Gear
| | | 2 | | GM12-SPGK - Internal Nest Kit | | Log in to see
prices |
|
|
| 19 |
3880141
|
Washer, Pinion Gear
| | | 2 | | GM12-SPGK - Internal Nest Kit | | Log in to see
prices |
|
|
| 20 |
3880140
|
Gear, Pinion
| | | 2 | | GM12-SPGK - Internal Nest Kit | | Log in to see
prices |
|
|
| 21 |
3846078
|
Side Gear
| | | 2 | | GM12-SPGK - Internal Nest Kit | | Log in to see
prices |
|
|
|
187C150A
|
Detroit Locker (C-Clip)
| 8 7/8" | 3.73 - 4.88 | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt | To 1982 | Log in to see
prices |
|
|
|
913A315
|
Detroit Truetrac (Limited Slip)
| 8 7/8" | 3.73 - 4.88 | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt | To 1982 | Log in to see
prices |
|
|
|
813A013
|
Detroit E-Z Locker
| 8 7/8" | 3.73 - 4.88 | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt | Up To 1982 | Log in to see
prices |
|
|
|
AUB 542032
|
Auburn Gear Limited Slip (Pro Series) Truck
| 8 7/8" | 3.73 & Up | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt | 1964-82(1) | Log in to see
prices |
|
|
|
AUB 542034
|
Auburn Gear Limited Slip (Pro Series) Truck
| 8 7/8" | 2.76 - 3.42 | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt | 1964-82(2) | Log in to see
prices |
|
|
|
545009
|
Auburn Ected
| 8 7/8" | 2.76 - 3.42 | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt | 1964-82(2) | Log in to see
prices |
|
|
|
545011
|
Auburn Ected
| 8 7/8" | 3.73 & Up | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt | 1964-82(1) | Log in to see
prices |
|
|
|
AUB 544801
|
Auburn Mini-Spool
| 8 7/8" | All | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt | 1964-82 | Log in to see
prices |
|
|
|
19587-010
|
Eaton Limited Slip
| 8 7/8" | 2.76 - 3.42 | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt | 1961-80(2) | Log in to see
prices |
|
|
|
19556-010
|
Eaton Limited Slip
| 8 7/8" | 3.73 & Up | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt | 1961-80 (1) | Log in to see
prices |
|
|
|
RD12
|
ARB Airlocker
| 8 7/8" | 3.73 & Up | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt | Up To 1982 | Log in to see
prices |
|
|
|
92-0788-3005
|
Powertrax No-Slip Locker
| 8 7/8" | All | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt | 1969-81 | Log in to see
prices |
|
|
 |
GM 7.25" - IFS
GM 7.5" - 10 Bolt
GM 7.5" - Locking
GM 8" - 10 Bolt
GM 8.2" - 10 Bolt
GM 8.25" - IFS
GM 8.5" - 10 Bolt
GM 8.5" - 10 Bolt Locking
GM 8.6" - 10 Bolt - Exploded View.JPG "GM 8.875\" - 12 Bolt Car"){kind=small}
GM 8.875" - 12 Bolt Car