The AAM Group 11-634HD-010 OE Ring & Pinion Gear Set AAM 11.5" Heavy Duty

The AAM Group 11-634HD-010 is an OE-quality ring and pinion gear set engineered for the AAM 11.5-inch heavy duty rear axle. Built to the same design and material standards as the original equipment components, this gear set delivers the precise fit and quiet operation expected from a true OEM-sourced drivetrain part.

Key Features:

• Authentic OE design and manufacturing standards — built to meet the same specifications as the factory gear set it replaces
• Engineered for the AAM 11.5-inch 14-bolt heavy duty rear differential platform
• Proprietary "Two-Cut" manufacturing process for reduced noise, vibration, and harshness (NVH)
• All performance factors for vehicle size and weight are accounted for in the gear design
• Includes installation guide sheet indicating gear type for proper set-up
• Designed for proper fit and function to avoid drivetrain NVH issues

The AAM 11.5-inch axle is a full-floating, heavy duty differential platform used in 3/4-ton and 1-ton truck applications. AAM ring and pinion gear sets are uniquely designed to match the requirements the OEM designated for the specific vehicle, ensuring reliable performance under demanding towing and hauling conditions. Professional installation is recommended; follow OEM service manual specifications for backlash, bearing preload, and torque values during installation.