Wehrli Rear Differential Cover

2003–2018 Dodge Ram 2500 / 3500

WCF100113-SC

Overview:

The Wehrli Sparkle Copper Rear Differential Cover is a premium upgrade designed specifically for Dodge Ram 2500 and 3500 models from 2003 to 2010, as well as Ram 2500 and 3500 models from 2011 to 2018. Crafted to fit the AAM 11.5-inch rear axle, this fabricated aluminum cover offers enhanced protection and durability for your truck’s differential. Ideal for owners of heavy-duty Dodge Ram trucks equipped with Cummins or Duramax engines, this cover combines rugged construction with a striking custom finish to improve both function and appearance.

Whether you’re tackling tough off-road conditions or hauling heavy loads, the Wehrli differential cover provides superior strength and heat dissipation, helping to extend the life of your axle components. Its corrosion-resistant sparkle copper powder coat finish not only looks great but also ensures long-lasting protection against the elements.

Key Features:

Engineered for durability and style, the Wehrli Sparkle Copper Rear Differential Cover offers a range of benefits:

• Precision fabricated from high-quality aluminum for maximum strength and lightweight performance
• Custom two-stage sparkle copper powder coating for exceptional corrosion resistance and a unique appearance
• Designed specifically for the AAM 11.5-inch rear axle found in Dodge Ram 2500/3500 trucks (2003–2018)
• Includes stainless steel hardware and a magnetic drain plug for easy maintenance and enhanced durability
• Improved heat dissipation to help maintain optimal differential fluid temperature under heavy load or extreme conditions
• Direct bolt-on fitment with no modifications required, ensuring a hassle-free installation
• Compatible with both Cummins and Duramax diesel engines commonly found in these trucks
• Provides added protection against impacts, debris, and leaks compared to factory covers

Construction & Design:

The Wehrli differential cover is expertly fabricated from robust aluminum, chosen for its excellent strength-to-weight ratio and resistance to corrosion. The cover’s design incorporates reinforced ribs and a thick base plate to withstand impacts and prevent warping under heavy loads. The custom two-stage sparkle copper powder coating not only enhances durability but also adds a distinctive, eye-catching finish that stands out on any truck.

Stainless steel hardware is included to resist rust and ensure long-term reliability. The magnetic drain plug simplifies fluid changes by capturing metal particles, helping to protect your differential gears and bearings from premature wear.

Installation & Fitment:

This rear differential cover is engineered for a direct bolt-on installation to the AAM 11.5-inch rear axle found on Dodge Ram 2500 and 3500 trucks from 2003 through 2018. No drilling, welding, or modifications are necessary, making it a straightforward upgrade for experienced mechanics and DIY enthusiasts alike. The included stainless steel hardware and drain plug allow for quick and clean installation while maintaining a secure, leak-free seal.

What's Included:

• Fabricated aluminum rear differential cover with sparkle copper powder coat finish
• Stainless steel mounting hardware
• Magnetic drain plug for fluid maintenance
• Installation instructions

Ideal For:

This differential cover is perfect for Dodge Ram 2500 and 3500 owners who demand enhanced durability and style from their drivetrain components. It is especially suited for those who frequently tow, haul, or drive off-road, where added protection and improved heat management are critical. Additionally, truck enthusiasts looking to upgrade the appearance of their rear axle will appreciate the unique sparkle copper finish that sets their vehicle apart.

Wehrli Custom Fabrication (WCFab) is a diesel performance and metal fabrication specialist building upgraded hard parts and engineered solutions for Duramax, Cummins, and Power Stroke trucks. Known for high-quality fabrication and truck-focused product development, WCFab supports everything from tow rigs to race-oriented diesel builds where durability, airflow, and heat management matter.