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Cummins OEM Approval – RM 600 15W40 CK-4
Products in RoadMaster

RM Engine Coolant HDD Premixed - Green has been specifically designed as a general purpose heavy duty cycle engine coolant suitable for diesel trucks, buses, marine, ...

RM Engine Coolant OATCOOL Premixed - Red coolant is an Ethylene glycol based long life engine coolant containing organic additive technology (OAT). RM Engine Coolant OATCOOL ...

RM Engine Coolant Ethylene Concentrate - Red is a Long Life Concentrated Anti-Freeze/Anti-Boil Corrosion Inhibitor. It is recommended for the protection of cooling systems of ...


