Good Maintenance Practices:
- Do not tighten inlet bolts beyond recommended torque specifications
- Use the recommended coolant type for your vehicle
- Change coolant at required intervals

GM Part #55492938
ACDelco Part #131-193
ACDelco GM Original Equipment Engine Coolant Thermostat/Water Inlet Assemblies help secure the thermostat that monitors the flow of coolant through your vehicle's engine and radiator, and are GM-recommended replacements for your vehicle's original components. These original equipment engine coolant thermostat/water inlet assemblies have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)
Please visit our warranty page on Gmparts.com for full warranty details.