AC Delco LS Gen 3 187 Degree Thermostat and Housing 2003-2006 4.8L 5.3L 6.0L LS1

LS Gen 3 Thermostat and Housing

Genuine AC Delco - OEM replacement part

• Compatible with 1999 to 2006 - Gen 3 Silverado water pumps - 4.8L 5.3L 6.0L (Will not fit Gen 4 Truck "large" bolt-pattern/straight-neck, or LS3 water pumps)
• Includes: OE temperature thermostat, housing-inlet, and seal