Keep your engine temperature within safe working range with this 4900260 thermostat designed for Cummins A1400, A1700, A2000, A2300, 4B3.9, 6B5.9 and ISB engines. It opens and closes accurately according to coolant temperature to balance warm?up and cooling cycles. Durable thermal?sensitive element avoids early failure. An essential small component for preventing overheating or cold?run excessive wear.
Condition:New / OEM Quality
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