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The ATS 4029156248 Protector Rear Differential

  • The ATS 4029156248 Protector Rear Differential Cover for your 01+ GM 2500HD/3500HD & 03+ Dodge Ram 2500/3500 fits on the 14 Bolt - 11.5" American Axle rear axle on your truck. Built from durable aluminum, this rear differential cover allows for larger oil capacity for optimal gear lubrication and cooling.


    • Optimal Gear Lubrication
    • Black Powdercoated Finish
    • Drain Plug For Easy Fluid Service
    • Built-In Heat Sink For Better Cooling
    • 2.5 Quart Increased Capacity Over Stock

    Note: This product will only fit on 2013+ Dodge Cummins models with a rear leaf spring suspension. Due to clearance issues, this cover will not fit on rear coil sprung applications.

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