1999 GMC W-Series Thermostats & Components
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Gates®Heavy Duty Engine Coolant ThermostatGMC W3500 Forward 4.8L 1999, Heavy Duty Engine Coolant Thermostat by Gates®. With Seal. Height from Flange: 0.64". If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the...Great design and functionMade from sturdy materials$28.55 - Gates®OE Type Engine Coolant ThermostatGMC W3500 Forward / W4500 Forward 5.7L 1999, OE Type Engine Coolant Thermostat by Gates®. With Seal. Depth from Flange: 1.52". Height from Flange: 0.8". Temperature: 198F. If you want to keep your vehicle safe on the road for many years...Map Controlled - Bolt-on solution with included sensor that links to the engine control unitSame easy installation as standard ITH$28.57
- Gates®Premium Engine Coolant ThermostatGMC W3500 Forward / W4500 Forward 5.7L 1999, Premium Engine Coolant Thermostat by Gates®. With Seal. Depth from Flange: 1.45". Height from Flange: 0.87". Temperature: 195F. If you want to keep your vehicle safe on the road for many...Great design and functionMade from sturdy materials$11.73
- MotoRad®Engine Coolant ThermostatGMC W-Series 1999, Engine Coolant Thermostat by MotoRad®. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high-quality product used in their vehicle....Offer precise pressure controlEnsure the proper fit$6.49 - $14.66
- Mahle®Engine Coolant Thermostat GasketGMC W3500 Forward / W4500 Forward 5.7L 1999, Engine Coolant Thermostat Gasket by Mahle®. Material: Molded Rubber. Keep your cooling system running leak-free, with superior-grade Mahle seals and gaskets designed to provide OE form, fit,...Designed to seal your cooling system from leaksMade from high-quality materials for utmost reliability$1.53
- Stant®OE Type Engine Coolant ThermostatGMC W4500 Forward 5.7L 1999, OE Type Engine Coolant Thermostat by Stant®. With 1 Seal and without Gaskets, Check Valves. Temperature: 195F. Stant Coolant Temperature Sensor, which can be found as original equipment on most major...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$9.21
- iD Select®Engine Coolant ThermostatGMC W3500 Forward / W4500 Forward 5.7L 1999, Engine Coolant Thermostat by iD Select®. Temperature: 160F. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$6.58
