2000-2009 Chevrolet Silverado 1500 10 Bolt 30 Spline Rear Gear Posi Differential 8.5" 10 Bolt 30 Spline 913A481

Includes:
Posi Differential Unit, 30 Spline Axles, Bearing Cups, Pinion Gears, Carrier Assembly

Fits Models:
Chevrolet Silverado 1500, GMC Yukon

Model Years:
2000 - 2009

Submodels:
Standard Bed, Extended Cab, Crew Cab

Engine Options:
4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8

Description:
OEM-specification 8.5" 10-bolt posi differential with 30-spline design (Part #913A481) for Chevrolet Silverado 1500 and GMC Yukon rear axles. Premium metal construction delivers superior durability and anti-rust protection. Engineered to factory specifications for direct bolt-in installation. Compatible with 2.73 and numerically higher gear ratios. High-reliability replacement differential assembly restores traction control and smooth power delivery. Extensively tested for accurate performance and stability.

Features:
¥ Factory-specification engineering ensures perfect fitment and reliable performance
¥ Heavy-duty metal construction resists corrosion and extends component lifespan
¥ 30-spline design compatible with Silverado 1500 and Yukon rear axle assemblies
¥ Precision-tested for accurate performance across all compatible 2.73+ gear ratios
¥ Direct replacement for worn or damaged differentials on 2000-2009 models
¥ Improves traction and driveline stability during acceleration and cornering