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Poly Performance JEEP/TRUCK & BUGGY » Lockers » ARB Lockers » ARB Air Locker Parts » ARB RD12 Parts - GM 12 Bolt, 30 Spline, 8 7/8", 3.73 & up
ARB RD12 Parts - GM 12 Bolt, 30 Spline, 8 7/8", 3.73 & up |
Description:
| Specs: |
|
| Axle Spline |
30 tooth, Ø33.3mm (1.31") |
| Ratio Supported |
3.73:1 & up |
| Ring Gear ID |
138.1mm (5.44") |
| Ring Gear OD |
225mm (8.9") |
| Ring Gear Bolts |
12 bolts on Ø165mm (6.50") |
| Ring Gear Torque |
75Nm (55 ft-lb) |
| Backlash |
0.15-0.25mm (0.006-0.010") |
| Bearing Cap Torque |
81Nm (60 ft-lb) |
| Part # |
Item # |
Total # Req'd |
Description |
Notes |
| ARB-020801 |
01 |
1 |
Flange Cap |
- |
| ARB-050202 |
02 |
1 |
Clutch Gear |
- |
| ARB-011007 |
03 |
1 |
Differential Case |
- |
| ARB-150101 |
04 |
4 |
Return Spring |
- |
| ARB-120303 |
05 |
2 |
Cross Shaft Retaining Pin |
- |
| ARB-060205 |
06 |
1 |
Long Cross Shaft |
- |
| ARB-060402 |
07 |
1 |
Short Cross Shaft |
- |
| ARB-040202 |
08 |
1 |
Piston |
- |
| ARB-160705 |
09 |
1 |
Bonded Seal |
- |
| ARB-030213 |
10 |
1 |
Cylinder Cap |
- |
| ARB-160205 |
11 |
2 |
Seal Housing O-Ring |
1 |
| ARB-200205 |
12 |
6 |
Cylinger Cap Retaining Bolt |
- |
| ARB-150401 |
13 |
6 |
Locking Tab 8mm |
- |
| ARB-160104 |
14 |
1 |
Tapered Roller Bearing |
2 |
| ARB-SHK002 |
16 |
1 |
Shim Kit |
- |
| ARB-080501 |
16 |
1 |
Seal Housing Assembly |
- |
| ARB-130401 |
17 |
1 |
Splined Side Gear |
- |
| Unavailable |
18 |
1 |
Spider Block |
- |
| ARB-140201 |
19 |
3 |
Pinion Gear |
- |
| ARB-151102 |
20 |
3 |
Pinion Thrust Washer |
- |
| ARB-130201 |
21 |
1 |
Side Gear |
- |
| ARB-151002 |
22 |
2 |
Side Gear Thrust Washer |
- |
| ARB-CCK004 |
* |
1 |
"C" Clip Kit |
- |
| ARB-170111 |
* |
1 |
Bulkhead Kit, O-Ring Type, 3.5-5mm |
- |
| ARB-170201 |
* |
1 |
Push-In Fitting (5mm to 1/8" BSPP) |
- |
| ARB-170301 |
* |
1 |
Air Line (5mm DIA x 6m Long) |
- |
| ARB-170501 |
* |
1 |
Nipple (1/8" to 1/8" BSPT) |
- |
| ARB-180103 |
* |
1 |
Solenoid Valve (12v) |
- |
All parts, including o-rings, are sold individually.
* Not illustrated in exploded view.
1 For replacement O-rings use only BS132 Viton
2 For replacement bearing use Timken part# LM603049/LM603011
 Installation Instructions
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Click images below for larger view.
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