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Nylon center tube eliminates metal contamination
it ensures reliable performance and protects critical engine components from stress and wear over time
high-vibration environments such as turbocharger and exhaust assemblies in heavy-duty vehicles
reducing the risk of cocked seals and potential leaks
CUMMINS SEAL,THERMOSTAT Top Seller Nylon center tube eliminates metalThe Cummins Thermostat Seal 186780 is designed for use in cooling systems across a wide range of heavy duty diesel engines. It prevents coolant leaks from the thermostat housing, ensuring precise engine temperature regulation. Compatible with multiple Cummins engine modelsincluding ISX series (CM570, CM870, CM871, CM2250, CM2350), QSX series, L10, M11, NH, and NT seriesthis seal provides durable, reliable performance to support optimal engine cooling
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