STL010 Cooler Flow Bypass Valve Kit, with Bypass Gasket, Cooling System Kit Upgrade, Fit for GM 2014-Up 6L80/6L90 Transmission, 2016-Up 8L80/8L90/8L90E/10L90 Sure Cool System

STL010 Cooler Flow Bypass Valve Upgrade Kit Compatible with: Compatible with 2014-Up GM 6L80/6L90E transmissions. Compatible with 2016-Up 8L80/8L90E/10L90 models. Installation Steps: Step 1: Insert the piston with O-ring installed into the casing. Step 2: Place the steel ball into the liner. Step 3: Place the conical spring on the ball with the small end facing downwards. Step 4: Hold the housing at a slight angle and carefully place the liner assembly above the piston until the first ring is secured. Then push it to the bottom. Package Includes: 1x Bushing, 1x Piston, 1x Coil, 1x Small Metal Ball, 1x Bypass Gasket, 3x Large O-Rings, 1x Small O-Ring.

• 【Ideal Replacement】：The STL010 cooler flow bypass valve kit for maintaining your transmission. It helps reduce average operating temperatures by up to 20%, extends ATF service life, and enables oil level checks without a preheat cycle.
• 【Perfect Fit for Transmission】It is a direct replacement for OE# STL010. Compatible with 2014-Up GM 6L80/6L90E transmissions and 2016-Up 8L80/8L90E/10L90 models. Please double check the year/make/model in the product description to make sure it fits.
• 【Durable Material】This STL010 cooler flow bypass valve kit is made of high-quality metal+rubber materials, with high reliability and durability, sturdy and durable, after many tests before leaving the factory, it meets or exceeds the OEM marking.
• 【Function】The Transmission cooling system upgrade kit has a built-in safety bypass that instantly fills the cooler, enabling accurate fluid level checks without the need for a warm-up cycle, Capable of stabilizing system pressure and reliable performance.
• 【20% Cooler Transmission Temperatures】When the cooling water temperature is too high during engine operation, the cooler flow bypass valve kit can reduce the average operating temperature by up to 20%, reduce the risk of load overheating, avoid engine damage caused by overheating, and protect the normal operation of the engine.
• 【Easy Installation】This STL010 cooler flow bypass valve kit features a user-friendly design that enables effortless installation with basic hand tools.