This is a helical gear limited-slip differential.

Fitment:

For Cadillac Escalade 10 Bolt 30 Spline Rear 2000
For Chevrolet C1500 10 Bolt 30 Spline Rear 1992
For Chevrolet S10 10 Bolt 30 Spline Rear 2000-2004
For Chevrolet Silverado 1500 10 Bolt 30 Spline Rear 2000-2009
For Chevrolet Silverado 1500 HD 10 Bolt 30 Spline Rear 2006
For Chevrolet Suburban 1500 10 Bolt 30 Spline Rear 2006-2009
For Chevrolet Tahoe 10 Bolt 30 Spline Rear 1999-2009
For GMC C1500 10 Bolt 30 Spline Rear  1989-1991
For GMC Jimmy 10 Bolt 30 Spline Rear 1989-1990
For GMC K1500 10 Bolt 30 Spline Rear  1989-1991
For GMC R1500 Suburban 10 Bolt 30 Spline Rear 1989-1990
For GMC S15 10 Bolt 30 Spline Rear 1989-1990
For GMC S15 Jimmy 10 Bolt 30 Spline Rear 1989-1990
For GMC Sierra 1500 10 Bolt 30 Spline Rear 2000-2009
For GMC Sonoma 10 Bolt 30 Spline Rear 2001
For GMC V1500 Suburban 10 Bolt 30 Spline Rear 1989-1990
For GMC Yukon 10 Bolt 30 Spline Rear 1999-2009
For GMC Yukon XL 1500 10 Bolt 30 Spline Rear 2001-2009
For Hummer H3 10 Bolt 30 Spline Rear 2006-2009
For Hummer H3T 10 Bolt 30 Spline Rear 2009

Part Number:

913A481

Size: 

New 8.5" Posi Unit - 30 Spline 10-Bolt Final Gear Differential Assembly
Fits 2.73 & Numerically Higher Gear Ratios (3.08, 3.42, 3.73, 4.11, 4.56, etc)
Axle Shift Diameter: 1.32 in
Spline Count: 30
Gear Ratio: 2.73 & Up

Features:

1.  Durable construction :Built to Strict Quality Control Standards.
2.  Direct replacement:Easy to install.

Package includes:

1x Limited-Slip Posi Differential

Note:
* Please confirm your old part number matches up with one of the part numbers above.
* Professional installation is highly recommended (No Instruction Included).
* For any needs please contact us.