Cummins 4BT/6BT/QSB/ISB

Cummins spare parts 6BT 6CT thermostat is a critical cooling system component for DCEC Cummins 6BT5.9 and 6CT8.3 diesel engines. It precisely controls coolant circulation to help the engine reach optimal working temperature quickly after startup and prevent overheating during continuous operation.

1. Wax-sensing core design, sensitive and consistent temperature opening action
2. High-quality brass valve body + silicone sealing gasket, anti-corrosion and anti-leakage
3. Strictly manufactured to DCEC original dimension standard, direct fit without modification
4. Available in common opening temperature options: 76℃, 82℃, 88℃ for different working environments
5. Stable performance under long-cycle temperature fluctuation, extend engine service life