ICT Billet 551836-LS120 - Straight -20AN Thermostat Housing For LS Gen 3 Water Pump

Straight -20AN Thermostat Housing For LS Gen 3 Water Pump Compatible with: GM LS Gen 3 series water pumps (RPO Code: LS1, LM7, LR4, LQ4, LS6, L59, LQ9, LM4, L33) 1997-2007 • This thermostat housing converts water pump inlet to a -20AN male fitting for moredurable, high pressure hoses • Thermostat housing directs hose straight away from engine, to clear frame rails and suspension components • Compatible with 1997 to 2007 LS Gen 3 thermostats • Package Includes: 1 flange, 1 housing and 2 bolts • Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum • Will NOT fit on Gen 4 water pumps - See water pump guide for reference • Gen 4 water pumps have a larger bolt pattern