American Axle & Manufacturing 74070003 Rear Wheel End Bearing Kit Single Rear Wheel

The American Axle & Manufacturing (AAM) 74070003 is a complete rear wheel end bearing kit designed for GM 10.5-inch and 11.5-inch 14-bolt single rear wheel (SRW) axle applications. Sourced directly from the original axle manufacturer, this kit provides everything needed to fully rebuild both the right and left rear wheel ends in a single purchase.

Kit Includes:

• 4 Timken Bearing Races — (2) NP382209 and (2) NP543803
• 4 Roller Bearings — (2) NP622157 and (2) NP080525
• 2 Hub Seals (Part No. 20889025)
• 16 Hub Mounting Bolts
• 2 Hub Nuts
• 2 Key Adjusters
• 4 Snap Rings
• 2 Hub Gaskets

Key Features:

• Complete Two-Side Kit — Contains all components to service both the right and left rear wheel ends in one kit
• OEM Source — Manufactured by American Axle & Manufacturing, the original supplier to GM for these axle assemblies
• Timken Bearings Included — Premium-grade Timken roller bearings and races for long-lasting durability
• Fits GM 10.5" and 11.5" 14-Bolt Axles — Designed specifically for single rear wheel configurations

The AAM 74070003 wheel end kit is the definitive solution for restoring proper bearing preload, eliminating hub play, and preventing premature wear on GM heavy-duty truck rear axles. Because this kit covers both sides and includes all hardware, it simplifies the rebuild process and ensures a matched, balanced installation.