Wehrli Rear Differential Cover

2019–2024 Ram 2500 / Ram 3500 Cummins

WCF100114-BB

Overview:

The Wehrli Rear Differential Cover is a precision-engineered upgrade designed specifically for 2019 to 2024 Ram 2500 and 3500 trucks equipped with Cummins engines. Crafted to enhance the durability and protection of your rear axle differential, this cover is ideal for truck owners who demand superior strength and reliability under heavy-duty conditions. Featuring a striking Bengal Blue single-stage powder coat finish, it not only offers robust defense against impacts and corrosion but also adds a custom aesthetic touch to your drivetrain.

Whether you use your Ram for towing, hauling, off-roading, or daily driving, this differential cover provides peace of mind by reinforcing a critical component of your drivetrain. It is engineered to fit precisely, ensuring seamless integration without modifications.

Key Features:

Designed with performance and durability in mind, the Wehrli Rear Differential Cover offers the following key features:

• Fabricated from high-quality aluminum for superior strength and lightweight protection
• Custom single-stage Bengal Blue powder coat finish for corrosion resistance and a distinctive look
• Includes stainless steel hardware for long-lasting durability and rust resistance
• Integrated stainless steel drain plug for easy fluid changes and maintenance
• Precision fitment tailored for Ram 2500 and 3500 models from 2019 through 2024
• Enhanced structural rigidity to protect the differential from impacts and debris
• Improved heat dissipation compared to stock covers, helping maintain optimal differential temperatures
• Direct bolt-on installation with no modifications required

Construction & Design:

The Wehrli Rear Differential Cover is expertly fabricated from premium aluminum, chosen for its excellent strength-to-weight ratio and resistance to corrosion. The cover undergoes a meticulous manufacturing process to ensure precise dimensions and a perfect fit on the rear axle differential housing. Its robust construction guards against dents, cracks, and other damage that can occur during demanding work or off-road use.

The vibrant Bengal Blue powder coat finish is applied in a single-stage process, providing a durable protective layer that resists chipping, fading, and corrosion. Stainless steel hardware complements the cover’s rugged design, ensuring all fasteners remain secure and rust-free over time. The integrated drain plug simplifies fluid maintenance, allowing for quick and clean differential oil changes without removing the entire cover.

Installation & Fitment:

Installation of the Wehrli Rear Differential Cover is straightforward and designed to be a direct replacement for the factory cover on Ram 2500 and 3500 trucks from model years 2019 to 2024. No special tools or modifications are required, making it accessible for professional mechanics and experienced DIY enthusiasts alike. The included stainless steel hardware ensures a secure and leak-free seal once installed.

This cover is engineered specifically for Ram trucks equipped with Cummins engines, guaranteeing perfect alignment with bolt patterns and clearances. It is compatible with a wide range of trims including Big Horn, Laramie, Limited, Power Wagon, Rebel, Tradesman, and more.

What's Included:

• One fabricated aluminum rear differential cover with Bengal Blue powder coat finish
• Complete set of stainless steel mounting hardware
• Stainless steel drain plug installed
• Installation instructions

Ideal For:

This differential cover is ideal for Ram 2500 and 3500 owners who require enhanced protection for their rear axle under heavy-duty conditions such as towing, hauling, or off-road driving. It suits enthusiasts looking to upgrade their truck’s durability and appearance with a high-quality, custom-finished component. Fleet operators and service vehicles will also benefit from the added reliability and ease of maintenance provided by this cover.

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.