Wehrli Rear Differential Cover

2019–2024 Ram 2500 / Ram 3500 Cummins

WCF100114-GB

Overview:

The Wehrli Gloss Black Rear Differential Cover is a premium upgrade designed specifically for the rear axle of 2019 to 2024 Ram 2500 and Ram 3500 trucks equipped with Cummins engines. Crafted to enhance durability and protection, this fabricated aluminum cover replaces the factory differential cover to provide superior strength against impacts and harsh off-road conditions. Its sleek gloss black finish not only adds a custom aesthetic but also offers corrosion resistance, making it an excellent choice for truck owners who demand both performance and style.

Ideal for enthusiasts who frequently tow, haul, or drive in rugged environments, this differential cover helps safeguard your rear axle components from damage while improving heat dissipation to maintain optimal differential fluid temperatures. Whether you’re upgrading for peace of mind or to complement other drivetrain enhancements, the Wehrli rear differential cover delivers reliable protection and long-lasting performance.

Key Features:

Engineered for heavy-duty use, the Wehrli Rear Differential Cover offers a range of benefits that make it a standout choice:

• Fabricated from high-quality aluminum for superior strength and lightweight durability
• Gloss black custom single-stage powder coating provides excellent corrosion resistance and a sleek appearance
• Includes stainless steel hardware and a magnetic drain plug for easy maintenance and enhanced longevity
• Designed to improve heat dissipation, helping to keep differential fluid cooler under heavy loads
• Precision fitment ensures a direct bolt-on installation with no modifications required
• Reinforced construction protects the differential housing from rocks, debris, and off-road hazards
• Compatible with Ram 2500 and 3500 models from 2019 through 2024 equipped with Cummins engines

Construction & Design:

The Wehrli rear differential cover is meticulously 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 thicker profile compared to stock covers, providing enhanced protection against impacts and deformation. Its custom gloss black powder coat finish not only resists rust and abrasion but also delivers a refined, durable surface that complements the rugged look of your Ram truck.

Stainless steel hardware is included to prevent corrosion and ensure secure fastening over time. The magnetic drain plug is engineered to capture metal particles, helping to maintain clean differential fluid and extend the life of your axle components. Every detail of the cover’s construction reflects Wehrli’s commitment to quality and durability in demanding applications.

Installation & Fitment:

Installation of the Wehrli Gloss Black Rear Differential Cover is straightforward and designed to be a direct replacement for the factory cover on Ram 2500 and 3500 trucks from 2019 to 2024 with Cummins engines. No special tools or modifications are necessary, making it a convenient upgrade for both professional mechanics and experienced DIY enthusiasts. The included stainless steel hardware ensures a secure and leak-free fit, while the magnetic drain plug simplifies fluid changes and maintenance.

What's Included:

• One fabricated aluminum rear differential cover with gloss black powder coat finish
• Complete set of stainless steel mounting hardware
• Magnetic drain plug for enhanced fluid cleanliness
• Installation instructions

Ideal For:

This differential cover is perfect for Ram 2500 and 3500 owners who demand extra protection for their rear axle during heavy towing, off-road adventures, or daily driving in challenging conditions. It suits truck enthusiasts looking to upgrade factory components with durable, high-quality parts that improve reliability and extend drivetrain life. Whether you’re a contractor, off-road enthusiast, or weekend warrior, the Wehrli rear differential cover offers peace of mind and enhanced performance for your Cummins-powered Ram.

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.