This Superior STL010 Sure Cool Cooling System Bypass is a transmission cooling kit compatible with GM 6L80, 6L90, and 8L90 automatic transmissions from 2014-Up and matches OEM Part# STL010.Product Overview
This Superior STL010 Sure Cool Cooling System Bypass provides direct oil flow to the radiator cooler to maintain safe operating temperatures. By eliminating heat-soak failures, this bypass system protects internal transmission components from premature wear and thermal degradation. Mechanics and truck owners use this Superior STL010 Sure Cool Cooling System Bypass to improve fluid cooling performance in heavy towing situations.
Key Features & Performance
- Enables immediate transmission fluid flow to the cooler without waiting for thermal valves
- Reduces average operating fluid temperatures significantly
- Maintains cooler fill levels and lowers peak fluid heat under load
- Constructed from durable billet aluminum for reliable seals
Fitment & Compatibility
- 2014-Up GM vehicles equipped with 6L80, 6L90, and 8L90 transmissions
Technical Specifications
- Part Number(s): STL010
- Transmission Compatibility: GM 6L80, 6L90, 8L90
- Material: Billet Aluminum
Frequently Asked Questions
Q: Does this system require any special tools or modifications to install? A: No, this is a drop-in bypass replacement that fits into the existing transmission cooler manifold.
Q: Why should I replace the stock thermal bypass valve with this kit? A: The stock valve restricts cooler flow until high temperatures are reached, whereas this kit allows continuous cooling flow to prevent overheating.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.
