Wehrli Rear Differential Cover

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

WCF100113-SBO

Overview:

The Wehrli Rear Differential Cover is a precision-engineered upgrade designed specifically for Dodge Ram 2500 and 3500 models from 2003 through 2018. Crafted to fit the robust AAM 11.5-inch rear axle, this cover offers enhanced protection and durability for heavy-duty trucks equipped with Cummins or Duramax engines. Ideal for truck owners who demand superior strength and reliability from their drivetrain components, this differential cover safeguards your axle housing against impacts, debris, and wear during off-road adventures or heavy towing.

With its custom fabrication and eye-catching SparkleBomberOrange two-stage powder coating, the Wehrli cover not only performs exceptionally but also adds a distinctive, rugged look to your truck’s undercarriage. This product is perfect for enthusiasts seeking both functional protection and style in one package.

Key Features:

Engineered for durability and performance, the Wehrli Rear Differential Cover offers a range of benefits designed to enhance your truck’s rear axle protection:

• Precision fabricated from high-quality aluminum for superior strength and lightweight durability
• Custom fit for the AAM 11.5-inch rear axle found in Dodge Ram 2500 and 3500 models (2003–2018)
• Distinctive SparkleBomberOrange two-stage powder coating for corrosion resistance and lasting finish
• Includes stainless steel hardware for long-term rust resistance and secure installation
• Integrated stainless steel drain plug for easy differential fluid changes and maintenance
• Designed to provide increased fluid capacity, improving cooling and lubrication of internal components
• Reinforced construction protects against impacts from rocks, debris, and rough terrain
• Compatible with heavy-duty applications including towing, hauling, and off-road use

Construction & Design:

The Wehrli Rear Differential Cover is expertly fabricated from high-grade aluminum, chosen for its excellent strength-to-weight ratio and resistance to corrosion. This material ensures the cover withstands harsh environments while adding minimal weight to your vehicle. The cover’s design incorporates reinforced ribs and a thicker profile to resist bending and damage from off-road obstacles or heavy impacts.

The two-stage powder coating process not only delivers a vibrant SparkleBomberOrange finish but also provides a durable protective barrier against rust, scratches, and chemical exposure. Stainless steel hardware and a built-in drain plug enhance longevity and ease of maintenance, making this cover a reliable upgrade for demanding truck owners.

Installation & Fitment:

Installation of the Wehrli Rear Differential Cover is straightforward and designed to be a direct bolt-on replacement for the factory cover on Dodge Ram 2500 and 3500 trucks from 2003 to 2018. No modifications or special tools are required, allowing for a hassle-free upgrade. The included stainless steel hardware ensures a secure fit and leak-free seal.

This cover is engineered to fit precisely on the AAM 11.5-inch rear axle, maintaining proper alignment and compatibility with OEM components. Routine maintenance is simplified thanks to the integrated drain plug, allowing for quick fluid changes without removing the entire cover.

What's Included:

• One fabricated aluminum rear differential cover with SparkleBomberOrange powder coating
• Stainless steel mounting hardware kit
• Stainless steel drain plug pre-installed
• Installation instructions

Ideal For:

This differential cover is ideal for Dodge Ram 2500 and 3500 owners who require enhanced axle protection for heavy-duty use. Whether you frequently tow heavy loads, navigate off-road trails, or simply want to upgrade your truck’s durability and appearance, the Wehrli Rear Differential Cover delivers reliable performance and rugged style. It is especially suited for trucks equipped with Cummins or Duramax engines running the AAM 11.5-inch rear axle.

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.