The Fleece 34.5″ Common Rail/VP44 Coolant Bypass Hose – Stainless Steel Braided (FPE-CLNTBYPS-HS-CRVP-SS) is a high-performance aftermarket upgrade designed for 1998.5–2018 Cummins 5.9L and 6.7L diesel engines. Engineered to improve coolant flow and reduce coolant pressure at the rear of the block, this hose plays a crucial role in preventing potential head gasket failure, especially in high-horsepower or towing applications. The stainless steel braided exterior offers superior durability, heat resistance, and abrasion protection, ensuring long-lasting performance even in extreme operating conditions. Whether you’re building a competition truck or simply seeking improved reliability for your daily driver, this coolant bypass hose delivers the quality and dependability associated with Fleece Performance Engineering.
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