Product Description
Enhance the look and durability of your engine bay with the WEHRLI CUSTOM FAB WCF100472 BILLET ALUMINUM COOLANT TANK CAP. Designed for Duramax and Cummins diesel trucks, this precision CNC-machined cap replaces the factory plastic coolant reservoir cap with a high-quality billet aluminum upgrade finished in a clean clear anodized coating.
Wehrli Custom Fabrication engineered this billet cap to provide both improved durability and a premium under-hood appearance. The cap installs easily in place of the factory unit and adds a professional finishing touch to performance engine builds, show trucks, and high-end diesel builds. Built from solid aluminum, the cap resists cracking, fading, and deterioration that often affects factory plastic caps over time.
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Key Features
- CNC machined billet aluminum construction
- Clear anodized finish for corrosion resistance
- Direct replacement for factory coolant reservoir cap
- Improves engine bay appearance
- Durable upgrade over factory plastic caps
- Designed and manufactured by Wehrli Custom Fabrication
Fitment
- 2001-2016 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax
- 2001-2016 GMC Sierra 2500HD / 3500HD 6.6L Duramax
- 2013-2018 Dodge Ram 2500 / 3500 6.7L Cummins
This billet coolant cap is designed as a direct replacement for factory coolant reservoir caps used on Duramax and late model Cummins diesel trucks, offering a stronger and more attractive alternative to the OEM plastic design.
Frequently Asked Questions
Does this replace the factory coolant reservoir cap?
Yes. The Wehrli WCF100472 is designed as a direct replacement for the factory coolant tank cap on compatible Duramax and Cummins trucks.
Is this a pressure cap or a decorative cover?
This billet cap replaces the factory coolant tank cap and maintains proper sealing while improving durability and appearance.
What finish does this coolant cap use?
The cap features a clear anodized finish that protects the aluminum and provides a clean, high-end appearance.
Will this fit other diesel trucks?
This cap is designed specifically for Duramax and 6.7L Cummins coolant reservoirs using the factory cap design. Fitment outside the listed vehicles is not guaranteed.
Is installation difficult?
No. Installation simply requires removing the factory coolant cap and installing the Wehrli billet replacement.
Specifications for WEHRLI CUSTOM FAB WCF100472
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100472 |
| Material | CNC Machined Billet Aluminum |
| Finish | Clear Anodized |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Shipping Weight | 1 lb |
| Package Dimensions | 6 x 6 x 4 inches |
| Shipping Method | UPS / FedEx Ground |
| Prop 65 Warning | This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm. For more information visit https://www.P65Warnings.ca.gov |
