Vehicle Set: Click here to shop 2004 GMC Sierra 3500 parts.

2004 GMC Sierra 3500 Thermostats

Looking for aftermarket parts to modify or upgrade your 2004 GMC Sierra 3500 with thermostats? At Tunersports.com we carry a huge selection of the top name brand performance thermostat parts and accessories.

Thermostat Parts:

Only show in-stock parts

Gates Thermostats

OUT OF STOCK 33329 Gates 95-04 Buick Century V6-3.1L OE Type Thermostat - 195 Degree 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT $35.79 Details
OUT OF STOCK 33963 Gates 04-06 Pontiac GTO / 03-06 GMC Envoy / 00-11 Chevrolet Suburban Thermostat 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT $37.65 Details
OUT OF STOCK 34702 Gates 98-02 Chevy Camaro / 99-09 Silverado / 03-06 Cadillac Escalade Thermostat Housing 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT $100.49 Details

Mishimoto Thermostats

IN STOCK MMTS-CHV-01DH The 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 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT $114.39 Details
IN STOCK MMTS-CHV-01DL The 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 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 WT $114.39 Details
IN STOCK - DROPSHIPS MMTS-VET-97L Chevrolet 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 2004-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 SLE / SLT / WT $86.84 Details