ATS 402-900-2272 Protector AAM 11.5 in Differential Cover Assembly | 2003-2019 RAM 2500/3500

ATS Protector Differential Cover – 402-900-2272

Fits 2003–2019 Ram 2500 / 3500 with AAM 11.5" Rear Axle

Boost your differential’s performance and protection with the ATS 402-900-2272 Protector Differential Cover. Designed for the AAM 11.5" rear axle found in 2003–2019 Ram 2500 and 3500 trucks, this high-capacity, heavy-duty diff cover improves fluid cooling, adds strength to the housing, and increases oil capacity for enhanced durability under towing, hauling, and high-performance driving.

Constructed from high-strength cast aluminum, the ATS Protector features internal cooling fins, reinforced bolt flanges, and a built-in magnetic drain plug for easier servicing. It’s a must-have upgrade for diesel owners who demand longevity and protection from their drivetrain components—whether you're towing heavy loads or running upgraded power levels.

Key Features:

• Direct-fit differential cover for AAM 11.5" rear axles

• Increases fluid capacity for improved thermal management

• Cast aluminum construction resists warping and cracking

• Built-in internal and external cooling fins

• Magnetic drain plug for simplified maintenance

• Reinforced flange to prevent housing flex

• Black powder-coated finish for corrosion resistance

• Designed and manufactured by ATS Diesel Performance

Fitment:
2003–2019 Dodge Ram 2500 / 3500 with AAM 11.5" rear differential

Warranty:
Backed by ATS Diesel’s limited lifetime warranty. Contact ATS for full coverage details.