CONTROL GP-UNPROGRAMMED 2924189 - Caterpillar

(02Z66689-Up, 51Z81935-Up) Truck EnginesDescription of Change: The water temperature regulators (low leak) in the above truck engines, have a rubber sealed poppet valve to reduce leakage. The water temperature regulator (low leak) helps eliminate engine overcooling, white smoke and reduces warm-up time. Engine life can be improved with the higher, more stable engine temperature, which helps eliminate crankcase corrosion problems due to condensation.Adaptable To: The 82°C (180°F) 102-8392 Water Temperature Regulator (Low Leak) is effective with the above truck engines. The 88°C (190°F) 7C-2190 Water Temperature Regulator (Low Leak) is adaptable to all 3208 (40S, 32Y, 02Z, 51Z) Truck Engines. The water temperature regulators (low leak) can also be used in cold climate applications to reduce overcooling and white smoke.