Superior 6L80/6L90/8L90 Sure Cool System Upgrade STL010 with Bypass Gasket
Upgrade for automatic transmissions with built-in safety bypass and precise fluid level check. Notable for reducing operating temperatures and extending ATF life, with clear installation guidance and a compatible setup for Silverado LT 1500 models
Highlights
- built-in safety bypass
- immediate cooler fill and accurate level check
- temperature reduction and ATF life improvement
Pros
- Built-in safety bypass
- Immediate cooler fill
- Accurate fluid level check without warm-up
- Reduces operating temperatures
- Includes Bypass Gasket
Cons
- Customer reports installation is straightforward but not universal
- Some benefits cited for specific models/transmissions
Best For
Features
- Built-in safety bypass enables immediate cooler fill
- Allows immediate, accurate fluid level check without warm-up cycle
- System design reduces average operating temperatures by up to 20%
- Lowers risk of overheating under load while operating
- Includes bypass gasket for installation
