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Your cart is empty.Prevent your vehicle from overheating by installing TransGo Cooling System Upgrade Kit. An easy, no-hassle cost-effective drop-in Cooling System Upgrade Kit for GM 2014- on 6L80, 6L90, 8L90 and Allison transmissions. Installation can be completed within 5 minutes. Step by Step instructions included. 6L80 - 6L90 - 8L90 -10L90 Transmission Cooling System Upgrade Will Fits 2014-up Cadillac Chevy GMC Cars and trucks Fits all 2014-up 6L80/90 AND Now fits 8L80/90E 2016-up also fits 10L90 Features: Immediate accurate fluid level check without warm-up cycle Reduced average operating temperatures by as much as 20% Reduced risk of overheat while under load, Increased ATF life.
Glenda Crawford
2025-09-03 10:42:23
My sons transmission was getting overheated and this solved the problem. Easy to install. Great price
Customer
2025-08-23 19:40:21
Hello from Central TX . my transmission would run 195deg in town and 178 on hwy. Now 153 in town and 144 on toll road doing 85mph. Works great. Easy install and instructions. Very happy
brian
2025-07-21 10:46:45
Want to keep your trans cool without flipping the pill? This was easy and maybe took like 30 mins. I suggest getting a clip removal too before hand.
Tyler
2025-05-28 14:55:08
Easy to install and keeps my trans Temps way cooler than before! I used to see temps around 200 to 210, now I can't get get it past 170 and thats with me really pushing the truck!
Customer
2025-05-05 14:41:24
Installed in my 2015 Silverado 1500. Truck still runs as hot as it did before. Save your money.
S. Mullis
2025-04-19 10:13:56
I had an overheating transmission fluid problem in my 2018 Chevy Silverado after purchasing a travel trailer that was well under the tow weight limits. I installed this bypass myself in under 30 minutes. Just took a 1000 miles roundtrip across Tennessee with no more overheating issues.
Customer
2025-03-08 14:19:13
Service engine light will come on for trans temp issue. I live in Arizona, went from 105 degrees to 38 degrees. Im guessing the fluid temp is in not getting to where the system thinks it needs to be after some time driving, thus setting code. Overall shifting is much better I just need to keep clearing trouble code.
CharlieD
2025-02-03 09:29:20
Temp now stays around 125 degrees without load.I’m happy.
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