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SKU: WCF100472
WCFab 18-20 PSI Optional Replacement Coolant Tank Cap - Clear Anodized
The WCF100472 18-20 PSI Replacement Coolant Tank Cap is the best high-performance upgrade cap for WCFab fabricated coolant tanks on 2001+ GM Duramax and 2004.5-2007 / 2010-2024 Dodge Cummins 6.7L applications. Precision-machined from billet aluminum with a clear anodized finish, this cap provides reliable pressure regulation, improved cooling system performance, and a premium, corrosion-resistant look ideal for heavy towing, performance builds, or replacing worn factory caps on trucks with WCFab coolant expansion tanks.
Key Features
- 18-20 PSI Rating: Higher pressure rating optimizes coolant boiling point for better cooling under load and boost
- Billet Aluminum Construction: Machined from high-grade billet for strength, durability, and precise sealing
- Clear Anodized Finish: Corrosion-resistant and stylish maintains a clean, premium appearance
- Direct Fit: Designed specifically for WCFab fabricated coolant tanks – drop-in replacement
- Improved Cooling System Performance: Maintains proper system pressure for reduced cavitation and overheating
- Made in USA: WCFab quality craftsmanship trusted in Duramax and Cummins diesel performance
Specifications
| Specification | Detail |
|---|---|
| Part Number | WCF100472 |
| Pressure Rating | 18-20 PSI |
| Material | Billet Aluminum |
| Finish | Clear Anodized |
| Compatibility | WCFab Fabricated Coolant Tanks (2001+ Duramax / 2004.5-07 & 2010-2024 6.7L Cummins) |
| Installation | Direct Replacement (Hand-Tighten) |
| Country of Origin | United States |
| Warranty | Limited (Manufacturer) |
Product Notes
- Optional higher-pressure cap for WCFab coolant tanks increases system pressure for improved cooling efficiency
- Clear anodized finish resists corrosion and adds a premium, show-quality look
- Direct replacement for stock or lower-pressure caps no modifications required
Installation Notes
- Estimated time: 1-2 minutes, very easy difficulty, no tools required
- Ensure engine is cool, remove old cap, install new WCF100472 cap hand-tighten only
- Check for proper sealing and no leaks after installation
This Part Fits
| Application | Notes | |
|---|---|---|
| 2001+ | GM Duramax | Used with WCFab Fabricated Coolant Tanks |
| 2004.5-2007 & 2010-2024 | Dodge Cummins 6.7L | Used with WCFab Fabricated Coolant Tanks |
Why Choose WCFab 18-20 PSI Coolant Tank Cap?
- Higher 18-20 PSI rating improves cooling system performance under heavy load and boost
- Billet aluminum with clear anodized finish provides durability and a premium, corrosion-resistant look
- Direct fit for WCFab tanks easy upgrade trusted in diesel performance applications
Frequently Asked Questions
-
Q: Will this cap fit my 2020 RAM 2500 6.7L Cummins with WCFab tank?
A: Yes, WCF100472 is designed as a direct replacement for WCFab fabricated coolant tanks on 2010-2024 6.7L Cummins. -
Q: Why upgrade to 18-20 PSI?
A: Higher pressure raises coolant boiling point for better cooling under heavy towing or high boost conditions. -
Q: Is it easy to install?
A: Yes, simple hand-tighten replacement; ensure engine is cool before removal. -
Q: Does it fit stock tanks?
A: No, specifically for WCFab fabricated coolant tanks, not factory plastic tanks.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure retail box
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