Wehrli Rear Differential Cover: Dodge Ram 2500 (2003-2010) / Ram 2500 (2011-2018) / Dodge Ram 3500 (2003-2010) / Ram 3500 (2011-2018)

Wehrli Rear Differential Cover

2003–2018 Dodge Ram 2500 / 2003–2018 Dodge Ram 3500

WCF100113-GF

Overview:

The Wehrli Rear Differential Cover is a precision-engineered upgrade designed specifically for Dodge Ram 2500 and 3500 models from 2003 to 2018. Crafted to fit the robust AAM 11.5-inch rear axle, this cover enhances the durability and protection of your truck’s differential housing. Ideal for owners of heavy-duty Dodge Ram trucks who demand superior strength and reliability, the Wehrli cover safeguards critical drivetrain components from damage caused by off-road debris, impacts, and harsh driving conditions.

Whether you’re towing heavy loads, navigating rugged terrain, or simply seeking peace of mind on the road, this differential cover offers an essential layer of defense while improving fluid capacity and heat dissipation for optimal axle performance.

Key Features:

Engineered with durability and functionality in mind, the Wehrli Rear Differential Cover delivers a range of benefits that enhance your truck’s rear axle system:

• Precision fitment for Dodge Ram 2500 and 3500 models (2003–2018) equipped with the AAM 11.5-inch rear axle
• Fabricated from high-quality aluminum for superior strength and corrosion resistance
• Increased fluid capacity to improve lubrication and cooling of differential gears
• Heavy-duty design protects against impacts, rocks, and off-road hazards
• Grape Frost finish provides a durable, attractive coating that resists wear and corrosion
• Easy bolt-on installation with no modifications required
• Compatible with Duramax and Cummins diesel engines commonly found in heavy-duty Dodge Ram trucks
• Reinforced structure helps maintain differential integrity under heavy loads and towing conditions

Construction & Design:

The Wehrli Rear Differential Cover is expertly fabricated from premium-grade aluminum, chosen for its combination of lightweight properties and exceptional strength. This material resists rust and corrosion far better than traditional steel covers, ensuring long-lasting protection even in harsh environments. The cover’s design incorporates reinforced ribs and a thick base plate to withstand impacts and prevent deformation under extreme conditions.

Its increased fluid capacity not only enhances lubrication but also aids in dissipating heat generated during heavy-duty use, helping to extend the life of your differential components. The Grape Frost finish adds an additional layer of protection while delivering a clean, professional appearance that complements your truck’s rugged aesthetic.

Installation & Fitment:

Installation of the Wehrli Rear Differential Cover is straightforward and user-friendly, requiring only basic hand tools. The cover is designed as a direct bolt-on replacement for the factory differential cover on Dodge Ram 2500 and 3500 trucks equipped with the AAM 11.5-inch axle from 2003 through 2018. No drilling, welding, or modifications are necessary, making it an ideal upgrade for both professional mechanics and DIY enthusiasts.

Proper gasket sealing and torque specifications should be followed to ensure a leak-free installation and optimal performance.

What's Included:

• Wehrli fabricated aluminum rear differential cover with Grape Frost finish
• Mounting hardware kit
• Installation instructions

Ideal For:

This differential cover is perfect for Dodge Ram 2500 and 3500 owners who:

• Use their trucks for heavy towing or hauling demanding loads
• Drive off-road or in rugged conditions where axle protection is critical
• Want to upgrade from the factory differential cover to a more durable, high-capacity option
• Operate diesel-powered trucks with Duramax or Cummins engines requiring reliable drivetrain components
• Seek a professional-grade product that combines strength, corrosion resistance, and ease of installation