American Axle & Manufacturing 40058731 Ring and Pinion Gear Set Ratio GM Bolt - 3.73 10.5 14

The American Axle & Manufacturing 40058731 is a genuine OEM ring and pinion gear set designed for GM 10.5-inch 14-bolt rear differentials with a 3.73 gear ratio. This factory-grade gear set is engineered to meet original equipment specifications for GM trucks and SUVs.

Key Features:

• 3.73 gear ratio for optimal balance of performance and fuel economy
• Fits GM 10.5-inch 14-bolt full-floating rear axles
• Innovative two-cut manufacturing process ensures tight tolerances for quiet operation
• Precision-engineered geometry allows for easier installation and setup
• OEM-quality materials and heat treating provide extended service life
• Direct replacement for multiple GM part numbers including 12471291, 19210695, 26054996, and 327721

AAM ring and pinion sets are uniquely designed to match the performance requirements designated for specific vehicles, taking into account the size, weight, and load factors of GM trucks. The advanced manufacturing process and material specifications deliver gear sets with significantly longer service life compared to non-OEM alternatives, making them ideal for both daily drivers and work trucks requiring dependable drivetrain performance.