Wehrli Semi-Gloss Black Rear Differential Cover

Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (03-18)

WCF100113-SGB

Overview:

The Wehrli Semi-Gloss Black Rear Differential Cover is a premium upgrade designed specifically for Dodge Ram 2500 and 3500 models from 2003 to 2018. Crafted for vehicles equipped with the AAM 11.5-inch rear axle, this fabricated aluminum cover offers enhanced protection and durability for your truck’s differential. Ideal for owners who demand reliability and toughness from their drivetrain components, this cover safeguards against impacts, debris, and heat buildup during heavy-duty use.

Whether you’re towing, hauling, or off-roading, the Wehrli differential cover provides peace of mind by reinforcing a critical part of your truck’s drivetrain. Its custom fitment ensures seamless integration with your Ram’s rear axle, maintaining factory specifications while delivering superior strength and corrosion resistance.

Key Features:

Engineered for durability and performance, the Wehrli Semi-Gloss Black Rear Differential Cover includes the following standout features:

• Precision-fabricated from high-grade aluminum for lightweight strength
• Custom fit for Dodge Ram 2500 and 3500 models (2003–2018) with AAM 11.5-inch rear axle
• Finished with a semi-gloss black single-stage powder coat for corrosion resistance and a sleek appearance
• Includes stainless steel hardware for long-lasting durability and rust prevention
• Equipped with a stainless steel drain plug for easy fluid changes and maintenance
• Designed to improve heat dissipation, helping to maintain optimal differential temperatures under load
• Reinforced structure to protect against off-road impacts and heavy-duty use
• Compatible with Duramax and Cummins diesel engines commonly found in Dodge Ram trucks

Construction & Design:

This rear differential cover is expertly fabricated from premium aluminum, chosen for its excellent strength-to-weight ratio and resistance to corrosion. The semi-gloss black powder coat finish not only enhances the cover’s aesthetic appeal but also provides a durable protective layer against environmental elements such as moisture, dirt, and road salt.

The design incorporates reinforced ribs and a thicker plate to increase rigidity and impact resistance, ensuring the differential housing is well protected during demanding driving conditions. Stainless steel hardware and a magnetic drain plug further contribute to the cover’s longevity and ease of maintenance, preventing rust and facilitating fluid changes without hassle.

Installation & Fitment:

The Wehrli differential cover is engineered for a direct bolt-on installation with no modifications required. It fits perfectly on Dodge Ram 2500 and 3500 trucks equipped with the AAM 11.5-inch rear axle from model years 2003 through 2018. Installation can typically be completed with basic hand tools and does not require specialized equipment, making it accessible for both professional mechanics and experienced DIY enthusiasts.

Its precise fitment ensures a secure seal to prevent leaks and maintain proper differential fluid levels, contributing to the longevity and performance of your truck’s drivetrain.

What's Included:

• One fabricated aluminum rear differential cover with semi-gloss black powder coat finish
• Complete set of stainless steel mounting hardware
• Stainless steel magnetic drain plug
• Installation instructions

Ideal For:

This differential cover is ideal for Dodge Ram 2500 and 3500 owners who demand enhanced protection and durability for their rear axle. It is especially suited for:

• Heavy-duty towing and hauling applications
• Off-road enthusiasts seeking added impact resistance
• Truck owners looking to improve differential cooling and maintenance ease
• Those upgrading from factory covers to a more robust aftermarket solution

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.