185 & 180 Degree Thermostat Front & Rear Kit Pair for GM Pickup Duramax

Opening Temperature: Thermostat Front & Rear Kit Pair for GM. Type: Thermostat. 2001-17 Chevrolet Silverado 2500 HD V8 6.6L Turbo Diesel Front & Rear Thermostat. 2007 Chevrolet Silverado 2500 HD Classic V8 6.6L Turbo Diesel Front & Rear Thermostat.