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Quantity
1
Description
6L80 Transmission Fluid Thermal Bypass Valve
Add another measure of protection and increase fluid flow to transmission cooler. Increase cooling capacity with this easy-to-install billet aluminum PPE Transmission Fluid Thermal Bypass Valve ...
Reviews
4.7
45 ratings
5
4
3
2
1
Lowered temp
Temp was running about 180 to 200 degrees normal driving conditions at outside temp of 60 to 70 degrees. After installing by pass it ran 144 degrees with outside temp running aroud 90 degrees and high humidity.
R
Robert · June 10, 2026
16 tahoe
Definitely keeping the transmission fluid temp down. Was 180+ vs 140 degrees under normal operation
D
Derek · June 28, 2026
2016 Silverado 6l80
Installed on my rebuilt Jasper 6l80 transmission for 2016 Silverado 1500. Havent seen temps go above 172. Solid improvement from the high 190s to 200s before. Typically takes a while to get to the 170 mark. I am happy with how this product performs