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2003 GMC Envoy XL Thermostats

Looking for aftermarket parts to modify or upgrade your 2003 GMC Envoy XL 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 33910 Gates 98-00 Chevy Camaro V8 / 99-06 Chevy Silverado/GMC Sierra (Gas) OE Type Thermostat - 187 Degree 2003-2003 GMC Envoy XL SLE / SLT $51.30 Details
OUT OF STOCK 33963 Gates 04-06 Pontiac GTO / 03-06 GMC Envoy / 00-11 Chevrolet Suburban Thermostat 2003-2005 GMC Envoy XL SLE / SLT $37.65 Details
OUT OF STOCK 34702 Gates 98-02 Chevy Camaro / 99-09 Silverado / 03-06 Cadillac Escalade Thermostat Housing 2003-2005 GMC Envoy XL SLE / SLT $100.49 Details

Mishimoto Thermostats

IN STOCK - LOW 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 2003-2005 GMC Envoy XL SLE / SLT $86.84 Details