Wehrli Rear Differential Cover

2003–2018 Dodge Ram 2500 / 3500 | 2003–2010 Dodge Ram 2500 / 3500 | 2011–2018 Ram 2500 / 3500

WCF100113-CR

Overview:

The Wehrli Candy Red 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 trucks from 2011 to 2018. Crafted for vehicles equipped with the AAM 11.5 rear axle, this fabricated aluminum cover offers enhanced protection and durability for your differential housing. Ideal for truck owners who demand reliability and style, it combines robust construction with a striking candy red finish to elevate both performance and appearance.

This differential cover is engineered to withstand harsh off-road conditions and heavy-duty use, making it perfect for trucks powered by Duramax or Cummins engines. Its design not only safeguards the axle but also helps maintain optimal fluid levels and temperature, contributing to the longevity of your drivetrain components.

Key Features:

Built to deliver superior protection and lasting performance, the Wehrli Candy Red Rear Differential Cover includes the following key features:

• Precision-fabricated from high-quality aluminum for exceptional strength and lightweight durability
• Custom two-stage candy red powder coating for corrosion resistance and eye-catching aesthetics
• Stainless steel hardware included to prevent rust and ensure secure mounting
• Integrated stainless steel drain plug for easy differential fluid changes and maintenance
• Designed specifically for the AAM 11.5 rear axle found in Dodge Ram and GM heavy-duty trucks
• Enhanced fluid capacity to improve cooling and reduce wear on internal components
• Compatible with a wide range of Dodge Ram 2500/3500 and GM Silverado/Sierra 2500HD/3500HD models
• Provides superior impact resistance compared to factory stamped steel covers

Construction & Design:

The Wehrli differential cover is expertly crafted from fabricated aluminum, chosen for its excellent strength-to-weight ratio and resistance to corrosion. The cover’s robust construction protects the rear differential from rocks, debris, and other off-road hazards that can cause damage during heavy use. The custom two-stage candy red powder coating not only enhances durability but also adds a vibrant, long-lasting finish that stands out on your truck.

Precision engineering ensures a perfect fit on the AAM 11.5 axle, maintaining factory tolerances while providing increased fluid capacity. The inclusion of stainless steel hardware and a stainless drain plug further enhances the cover’s longevity and ease of maintenance, preventing rust and simplifying fluid changes.

Installation & Fitment:

Installation of the Wehrli Candy Red Rear Differential Cover is straightforward and designed to be a direct bolt-on replacement for the factory cover on compatible Dodge Ram 2500 and 3500 models (2003–2010) and Ram 2500 and 3500 models (2011–2018) equipped with the AAM 11.5 axle. No modifications to the axle or surrounding components are necessary, making it an ideal upgrade for both professional mechanics and experienced DIY enthusiasts.

The included stainless steel hardware ensures a secure and leak-free seal, while the integrated drain plug facilitates routine maintenance without the need to remove the entire cover.

What's Included:

• Fabricated aluminum rear differential cover with candy red powder coat finish
• Stainless steel mounting hardware
• Stainless steel drain plug
• Installation instructions

Ideal For:

This differential cover is perfect for Dodge Ram and Ram truck owners who demand enhanced protection and durability for their rear axle assemblies. It is especially suited for those who frequently tow, haul heavy loads, or engage in off-road driving where the factory cover may be vulnerable to damage. Additionally, the vibrant candy red finish appeals to enthusiasts looking to add a custom, high-quality appearance to their truck’s undercarriage.

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.