American Axle & Manufacturing 74047014 Spider Gear Kit GM 8.6" 10-Bolt 30 Spline

The American Axle & Manufacturing 74047014 is a genuine OE spider gear kit designed for GM 8.6-inch (8.625") 10-bolt rear axles with open differentials. This complete internal gear set is specifically engineered for 1999 to mid-2000 GM trucks and SUVs equipped with disc brakes and 30-spline axles.

Key Features:

• Genuine AAM OE quality components for proper fit and function
• Complete kit includes spider gears, side gears, thrust washers, cross shaft, and lock pin
• 30-spline configuration for open differential applications
• Designed for differential cases with two large access windows (same size openings on each side)
• Compatible with differential case castings 0748 and 0749
• Small pinion gear is .030" thicker than kit 74047015 for specific case requirements

This spider gear kit provides a cost-effective solution for repairing worn or damaged internal differential components without replacing the entire differential assembly. Compatible with popular GM models including Silverado, Sierra, Tahoe, Yukon, Suburban, Escalade, S10, Sonoma, Blazer, Jimmy, Bravada, Savana, Express, and Denali. Cross-references to GM OEM number 12471314 and Transtar Industries 742G717B.