PHILTOP Automotive Replacement Engine Thermostats for 2001-2020 Silverado 2500 HD 2001-2016 Sierra 2500 HD 2007-2020 Silverado 3500 HD 2019 Sierra 2500 HD, Original Equipment Coolant Thermostat 33947
【Larger Piston Diameter】The PHILTOP Automotive Replacement Engine Thermostats utilizes a larger piston diameter than the standard thermostat, which increases coolant flow and achieves better thermostatic results.
【OE Replacement Number】The OE Replacement Number of this Automotive Replacement Engine Thermostats:3C3Z8575AA
【Higher quality material】PHILTOP Automotive Replacement Engine Thermostats is made of higher quality material, which has the characteristic of high and low temperature resistance, so that your car can be driven freely even in extremely cold weather.
【100% Fit】As long as you buy our products according to your car model, we guarantee 100% fit, with original or beyond original quality.