6L80 6L90 8L90 Sure Cool System Kit STL010 With Bypass Gasket – Compatible with GM Cadillac Chevy GMC (2014+), Replaces 8L90 8L80 8L90E 10L90 Thermostat Bypass Kit，Enhances Transmission Cooling

6L80 6L90 8L90 Sure Cool System Kit STL010 – Compatible with GM Cadillac Chevy GMC (2014+), Replaces 8L90 8L80 8L90E 10L90 Thermostat Bypass Kit，Enhances Transmission Cooling

• Ideal Replacement：The transmission cooling system upgrade kit for gm 6l80 is essential for maintaining your transmission. It helps reduce average operating temperatures by up to 20% under heavy load, extends ATF service life, and enables oil level checks without a preheat cycle.
• Premium Build & Safety Bypass：Constructed with high-quality metal for outstanding reliability, the superior transmission bypass valve features a built-in safety bypass that instantly primes the transmission cooler. Each unit is brand new, exceeds OEM standards, and is 100% tested before shipping to ensure safety and durability.
• Broad Vehicle Compatibility：The superior solutions transmission bypass for 6l80 is designed for 2014 and newer Cadillac, Chevy, and GMC cars and trucks, including 6L80/6L90 (2014+) and 8L80/8L90/10L90 (2016+) transmissions. Please confirm your vehicle’s year, make, and model for correct fitment.
• Cost-Effective Direct Fit：This 8l90 transmission cooler bypass valve offers original equipment quality with direct replacement and perfect fitment. It delivers high cost-effectiveness, making it an intelligent upgrade for every journey.
• Integrated Safety Bypass Design：This superior cooler bypass features an integrated safety bypass valve that automatically provides an alternative flow path in the event of a cooling line blockage. By maintaining coolant circulation, it effectively prevents severe transmission overheating and potential damage caused by flow restrictions.