Product Description
Enhance the appearance and durability of your Cummins engine bay with the WEHRLI CUSTOM FAB WCF100394 BILLET ALUMINUM CLEAR ANODIZED OIL FILL CAP. Precision CNC-machined from high-quality billet aluminum, this premium oil cap replaces the factory plastic cap with a clean, durable performance upgrade designed to withstand the demanding conditions of diesel engines.
Finished in a sleek clear anodized coating, this Wehrli Custom Fabrication oil cap provides excellent corrosion resistance while delivering a professional, high-performance appearance under the hood. The billet design ensures superior strength compared to factory plastic caps, making it an excellent upgrade for both daily drivers and high-performance Cummins builds.
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Key Features
- CNC machined billet aluminum construction
- Clear anodized finish for corrosion resistance
- Direct replacement for factory Cummins oil fill cap
- Improves engine bay appearance
- Precision threading for secure fit
- Durable performance upgrade over factory plastic cap
Fitment
- 1998.5-2002 Dodge Ram 2500 / 3500 5.9L Cummins
- 2003-2007 Dodge Ram 2500 / 3500 5.9L Cummins
- 2007.5-2018 Ram 2500 / 3500 6.7L Cummins
- 2019-2021 Ram 2500 / 3500 6.7L Cummins
Installation Note: Installs directly in place of the factory oil fill cap using the original oil fill location on the Cummins valve cover.
Frequently Asked Questions
Is this oil cap a direct replacement for the factory cap?
Yes. The Wehrli WCF100394 oil cap is designed as a direct replacement for the OEM Cummins oil fill cap.
Will this fit both 5.9L and 6.7L Cummins engines?
Yes. This billet oil cap is compatible with 1998.5-2021 Cummins engines including both 5.9L and 6.7L variants.
Does the anodized finish fade over time?
No. The clear anodized coating provides long-term corrosion protection and helps maintain its appearance even in harsh engine bay conditions.
Is this only for performance trucks?
No. This upgrade works great on daily drivers, show trucks, and high horsepower builds looking for a clean engine bay appearance.
Does installation require special tools?
No special tools are required. Simply remove the factory oil cap and install the Wehrli billet replacement.
Specifications for WEHRLI CUSTOM FAB WCF100394
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100394 |
| 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 contain chemicals known to the State of California to cause cancer or reproductive harm. For more information visit https://www.P65Warnings.ca.gov |
