Product Description
Protect your rear axle and improve gear oil capacity with the WEHRLI CUSTOM FAB WCF100114 REAR DIFFERENTIAL COVER. Engineered for heavy-duty diesel trucks, this precision-machined differential cover provides superior strength, improved heat dissipation, and increased durability compared to factory stamped steel covers. Designed by Wehrli Custom Fabrication, the WCF100114 is built for trucks that tow, haul, and push serious horsepower.
Constructed from high-strength billet aluminum, this rear differential cover helps increase fluid capacity and improve cooling to extend gear life under demanding conditions. The integrated magnetic drain plug simplifies maintenance while capturing harmful metal particles before they circulate through the gears. Whether your truck is used for towing, off-road performance, or daily driving, this cover provides long-term reliability and a clean high-performance appearance.
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Key Features
- Precision machined billet aluminum construction
- Improved gear oil capacity for better cooling
- Magnetic drain plug for easier maintenance
- Heavy-duty sealing surface for leak-free operation
- Enhanced heat dissipation compared to factory covers
- Designed for high load towing and performance applications
- Clean Wehrli Custom Fabrication performance appearance
Fitment
- 2019 RAM 2500 6.7L Cummins
- 2020 RAM 2500 6.7L Cummins
- 2021 RAM 2500 6.7L Cummins
- 2022 RAM 2500 6.7L Cummins
- 2023 RAM 2500 6.7L Cummins
- 2019 RAM 3500 6.7L Cummins
- 2020 RAM 3500 6.7L Cummins
- 2021 RAM 3500 6.7L Cummins
- 2022 RAM 3500 6.7L Cummins
- 2023 RAM 3500 6.7L Cummins
- 2020 Chevrolet Silverado 2500HD 6.6L Duramax
- 2021 Chevrolet Silverado 2500HD 6.6L Duramax
- 2022 Chevrolet Silverado 2500HD 6.6L Duramax
- 2023 Chevrolet Silverado 2500HD 6.6L Duramax
- 2024 Chevrolet Silverado 2500HD 6.6L Duramax
- 2020-2024 GMC Sierra 2500HD 6.6L Duramax
- 2020-2024 Chevrolet Silverado 3500HD 6.6L Duramax
- 2020-2024 GMC Sierra 3500HD 6.6L Duramax
Frequently Asked Questions
What advantages does an upgraded differential cover provide?
Upgraded differential covers increase fluid capacity, improve cooling, and provide stronger protection for the rear axle compared to factory stamped covers.
Does this cover include a drain plug?
Yes. The WCF100114 includes a magnetic drain plug that captures metal particles and allows easier differential fluid changes.
Is installation difficult?
Installation is straightforward and can typically be completed with basic hand tools. Always follow proper torque specifications and replace the gasket or use approved sealant during installation.
Will this increase gear oil capacity?
Yes. The deeper billet design increases fluid capacity compared to the factory differential cover which helps reduce heat during heavy towing or high horsepower applications.
Does this fit both GM and RAM heavy duty trucks?
Yes. The WCF100114 is engineered to fit specific heavy-duty rear axle housings used in 2019-2023 RAM 2500/3500 and 2020-2024 GM 2500HD/3500HD trucks.
Specifications for WEHRLI CUSTOM FAB WCF100114
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100114 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Shipping Weight | Approximately 10 lbs |
| Package Dimensions | 14 x 14 x 6 inches |
| Shipping Method | UPS / FedEx Ground |
| Prop 65 Warning | This product may contain chemicals known to the State of California to cause cancer or reproductive harm. For more information visit https://www.P65Warnings.ca.gov |
