View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 2004 Chevrolet Express 3500 with thermostats? At Tunersports.com we carry a huge selection of the top name brand performance thermostat parts and accessories.
 OUT OF STOCK 48093Edelbrock part #48093 Waterneck is designed for use with Chevy 4.3L V6 & Chevy V8 engine applications. This Black water neck is a great way to finish off your engine. It features a 15 deg. neck and O-ring design for an improved seal, which also allows for removal without requiring a new gasket. Fits... Edelbrock Chevy 15 Deg. Water Neck Steel - Black 1996-2020 Chevrolet Express 3500 Base / LS $70.97 |
 OUT OF STOCK 33963Gates 04-06 Pontiac GTO / 03-06 GMC Envoy / 00-11 Chevrolet Suburban Thermostat 2003-2006 Chevrolet Express 3500 Base / LS $37.65 |
 OUT OF STOCK 34702Gates 98-02 Chevy Camaro / 99-09 Silverado / 03-06 Cadillac Escalade Thermostat Housing 2003-2006 Chevrolet Express 3500 Base / LS $100.49 |
 IN STOCK - LOW 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 2004-2007 Chevrolet Express 3500 Base / LS $86.84 |