Direct Fit Transmission Cooler Bypass Kit For GM 6L80/90 And 8L90, CNC Machined Aluminum With Buna O-Rings, Keeps Transmission Fluid Cooler, Cuts Heat, Lasts Longer, Easy Install, 1 Pack

Direct-fit GM transmission cooler bypass kit for 6L80/90/8L90
✔️ Precision CNC aluminum bypass plug with Buna O-rings, 1-pack

This direct-fit bypass kit replaces the stock thermal bypass valve in GM transmissions, keeping transmission fluid cooler and helping prevent heat buildup. It is commonly used in GMC, Chevrolet, and Cadillac vehicles equipped with 6L80, 6L90, or 8L90 transmissions to extend transmission life and reduce the risk of overheating.

✅ Direct-fit CNC machined aluminum housing connects securely to the stock cooler line housing
✅ Maintains lower operating temperatures by bypassing the stock thermal bypass valve
✅ Buna O-rings included for reliable sealing and easy replacement
✅ Durable aluminum construction for longevity and corrosion resistance
✅ Fits GM 6L80, 6L90, and 8L90 transmissions; verify fit before purchase

💡 What is a transmission cooler bypass kit used for?

This handy upgrade helps keep transmission temperatures down and extends life in GM vehicles.

- improves cooling performance for GM automatic transmissions - simple plug-and-play installation with Buna O-rings - CNC machined aluminum housing for durable, leak-free fit - helps extend transmission life by reducing heat buildup✝️