Looking for aftermarket parts to modify or upgrade your 2012 Chevrolet Express 3500 with thermostats? At Tunersports.com we carry a huge selection of the top name brand performance thermostat parts and accessories for your Express 3500.
Whether you have a 2012 Chevrolet Express 3500 in Base to LT trim we have you covered. We have 5 thermostats available to mod your Express 3500. All parts have free shipping to the Continental US 48 States.
 SHIPS FROM MANUFACTURER 48093These waternecks are a great way to finish off your engine. They feature an O-ring design for an improved seal, which also allows for removal without requiring a new gasket. Fits 1-1/2" diameter outlet hose.... Edelbrock Chevy 15 Deg. Water Neck Steel - Black 1996-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $48.79 |
 OUT OF STOCK 34198Gates 07-21 Chevrolet Silverado Series Pickup V-8 5.3L OE Type Thermostat 2007-2016 Chevrolet Express 3500 Base / LS / LT $33.02 |
 IN STOCK MMTS-CHV-01DHThe Mishimoto Chevrolet Duramax high temperature thermostats activate at a higher temperature than the OEM thermostats, making them the perfect solution for Duramax owners who live in colder climates, or have trouble reaching operating temperatures.Activating at a higher temperature means the thermo... Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat 2006-2016 Chevrolet Express 3500 Base / LS / LT $97.26 |
 IN STOCK MMTS-CHV-01DLThe Mishimoto Chevrolet Duramax low temperature thermostats activate at a lower temperature than the OEM thermostats, making them the perfect solution for Duramax owners who live in warmer climates, or use their trucks under heavy load or strenuous driving conditions.Activating at a lower temperatur... Mishimoto 01-10 Chevy Duramax 2500 6.6L 174 & 180F Degrees Racing Thermostat 2006-2016 Chevrolet Express 3500 Base / LS / LT $99.48 |
 IN STOCK MMTS-VET-05Mishimoto has developed a racing thermostat engineered specifically for the 2010-2015 Camaro SS/ZL1. The Mishimoto Camaro thermostat fits flawlessly into your stock thermostat housing. It will promote greater cooling efficiency throughout your engine. Mishimoto racing thermostats will significantly ... Mishimoto 10-15 Chevy Camaro SS/ZL1 / 09-13 Chevy Corvette / 09-15 Cadillac CTS-V Racing Thermostat 2007-2021 Chevrolet Express 3500 Base / LS / LT $73.73 |