1990 GMC W-Series Thermostats & Components
- MotoRad®Engine Coolant ThermostatGMC W-Series 6.5L 1990, Engine Coolant Thermostat by MotoRad®. Temperature: 180F. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high-quality...Offer precise pressure controlEnsure the proper fit$35.32