Wehrli Sparkle Granulated Smith Rear Differential Cover

2003–2018 Dodge Ram 2500 & 3500 with 11.5in AAM Rear Axle

WCF100113-SGS

Overview:

The Wehrli Sparkle Granulated Smith Rear Differential Cover is a premium aftermarket upgrade designed specifically for Dodge Ram 2500 and 3500 trucks equipped with the 11.5-inch AAM rear axle, covering model years 2003 through 2018. Crafted for heavy-duty applications, this fabricated aluminum cover enhances the durability and protection of your truck’s rear differential, making it an essential upgrade for owners who demand reliability and longevity from their drivetrain components.

Ideal for enthusiasts, off-roaders, and work truck owners alike, this differential cover combines robust construction with a distinctive Sparkle Granny Smith two-stage powder-coated finish, offering both functional and aesthetic improvements. It is engineered to withstand harsh conditions while maintaining a clean, custom look that complements your truck’s rugged style.

Key Features:

This Wehrli differential cover delivers a range of benefits designed to improve your vehicle’s rear axle performance and protection:

• Precision fabricated from high-quality aluminum for superior strength and corrosion resistance
• Custom Sparkle Granny Smith two-stage powder coating provides a durable, eye-catching finish
• Designed specifically for the 11.5-inch AAM rear axle found in Dodge Ram 2500/3500 trucks (2003–2018)
• Includes stainless steel hardware and a magnetic drain plug for easy maintenance and enhanced durability
• Improved oil capacity compared to stock covers, aiding in better cooling and lubrication of differential gears
• Enhanced structural rigidity helps protect the differential from impacts and off-road hazards
• Compatible with Duramax and Cummins diesel engines, supporting heavy-duty towing and hauling demands
• Direct bolt-on installation with no modifications required

Construction & Design:

The Wehrli rear differential cover is expertly fabricated from premium-grade aluminum, chosen for its excellent strength-to-weight ratio and resistance to rust and corrosion. The cover’s design incorporates reinforced ribs and a thicker profile than factory covers, providing superior protection against rocks, debris, and trail obstacles. The Sparkle Granny Smith powder coating is applied in a two-stage process, ensuring a resilient finish that resists chipping, fading, and environmental wear.

Stainless steel fasteners are included to prevent rust and ensure long-lasting secure attachment. The integrated magnetic drain plug captures metal particles, helping to extend the life of your differential by maintaining cleaner gear oil. This thoughtful engineering reflects Wehrli’s commitment to quality and durability in every component.

Installation & Fitment:

Installation is straightforward and designed to be a direct replacement for the factory rear differential cover on Dodge Ram 2500 and 3500 trucks with the 11.5-inch AAM axle from 2003 to 2018. No special tools or modifications are necessary, making it an accessible upgrade for DIY enthusiasts and professional mechanics alike. The included stainless steel hardware ensures a secure fit, and the magnetic drain plug simplifies routine maintenance.

Fitment is precise, guaranteeing a perfect seal to prevent leaks and maintain optimal differential performance under demanding conditions.

What's Included:

• Wehrli Sparkle Granulated Smith fabricated aluminum rear differential cover
• Stainless steel mounting hardware
• Magnetic drain plug for enhanced oil cleanliness
• Installation instructions

Ideal For:

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

• Off-road enthusiasts seeking rugged drivetrain components
• Heavy-duty truck owners who tow or haul frequently
• Drivers looking to upgrade from stock covers for improved cooling and maintenance
• Anyone wanting a custom, durable finish that stands out visually

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.