The Wehrli WCFab Coolant Tank Billet Cap is a high-quality replacement designed for use on fabricated coolant tanks in 2001+ Duramax and 2004.5-2024 6.7L Cummins engines. Crafted from billet aluminum and finished with a durable black anodized coating, this cap offers both style and resilience for demanding engine applications. Its sleek black finish complements other Wehrli oil and brake reservoir caps, providing a consistent, professional appearance across your engine bay. The cap is rated to withstand 18-20 PSI, ensuring a secure seal to maintain optimal coolant pressure and prevent leaks in high-performance environments. Installation is straightforward, making it an excellent upgrade for enthusiasts seeking both function and aesthetics in their cooling system.
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