Overview

Pacific Performance Engineering Coolant Bypass Tubes

Pacific Performance Engineering offers coolant bypass tubes for a variety of applications, including many Chevy and GMC trucks from 2001 and up. OEM mild steel tubes are prone to rust, which can lead to coolant system contamination and eventual leaks. Over time, factory O-rings also tend to harden and lose compression, increasing the risk of failure. PPE's upgraded bypass tubes are specifically designed to work with the factory water pump and are crafted from high-grade polished 304 stainless steek to prevent corrosion and ensure reliable, long-term performance.

Additional details:

* CNC-machined tube end
* Comes with two Viton® O-rings, upper and lower
* Hydroformed for exact fitment

Applications

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