What kind of coolant does a Cummins isb6 7 take?
Cummins ISB 6.7 & QSB 6.7 Engines (CM2100 & CM2150 ECM) OEM Service & Repair Manual
Engines
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Open Sep 09, 2024 - 12:32 PM
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Sep 09, 2024 - 12:32 PM
The Cummins ISB 6.7 engine requires HOAT (Hybrid Organic Acid Technology) antifreeze. A commonly recommended option is Zerex G05, which is available in various colors like yellow, orange, or pink, depending on the brand and packaging. Make sure to use a coolant that meets Cummins CES 14603 specifications for optimal performance and protection.
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