Cooler Bypass Thermostat - 4L80E Transmission

Cooler Bypass Thermostat - 4L80E Transmission

Premium quality replacement part for the 4L80E automatic transmission. Engineered for reliable performance in demanding applications. This component meets or exceeds OEM specifications and is designed for professional installation. Core Transmission Supply stocks only trusted brands and thoroughly inspected components to ensure your rebuild goes smoothly.

• Aftermarket accessory for 4L80E transmission
• Compatible with 1991-2013 GM Silverado/Sierra 2500/3500, Express/Savana, Suburban, Hummer H1/H2
• Quality construction for reliable service
• Easy installation with included hardware
• Ensures proper transmission cooling and mounting

Professional installation recommended. Contact us for technical questions about fitment and compatibility.