2001-2005 GM 6.6L Duramax Coolant Bypass Tube - Water Pump to Thermostat HousingGM 6. 6L Duramax Coolant Bypass Tube The OEM mild steel tube is 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. PPEs upgraded bypass tube is specifically designed to work with the factory water pump and is crafted from high grade 304 stainless to prevent corrosion and ensure reliable, long term performance.

ALSO includes the best molded Chevelle dash pad on the market

and fuel restrictions from occurring

MACHINED FINISH AVAILABLE

which is vulnerable to rust and leaks over time

Made to fit the following PPE Heavy-Duty Aluminum Transmission Pans: 228053000

Quadraphonic has a built-in high pass/full range crossover

Parabolic inlet machining for smooth throttle transitions same as OE

no more big bulky contraption behind your master cylinder

2001 - 2010 Duramax (LLY/LBZ/LMM)  (01-04 requires QTY of 2)

Low fuel rail pressure readings can be a sign of fuel delivery trouble

These decorative protectors are easily applied to your Redondo screen and simulate the appearance of classic radio dials – perfect for complimenting the complete look of your classic

consider inspecting and replacing the other key components including tie rods