Looking for aftermarket parts to modify or upgrade your 2003 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 2003 Chevrolet Express 3500 in Base to LS trim we have you covered. We have 3 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 $48.79 |
OUT OF STOCK 33963Gates 04-06 Pontiac GTO / 03-06 GMC Envoy / 00-11 Chevrolet Suburban Thermostat 2003-2006 Chevrolet Express 3500 Base / LS $31.25 |
IN STOCK MMTS-VET-97LChevrolet LSX engines achieve impressive power in both naturally aspirated and forced-induction forms.With added power comes increased heat that necessitates a reliable and efficient cooling system.Protect your vehicle from overheating by upgrading to the Mishimoto racing thermostat.This thermostat ... Mishimoto Chevrolet/GMC LSX Racing Thermostat 2003-2006 Chevrolet Express 3500 Base / LS $73.73 |