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Producing between 350 and 400 horsepower and up to 1,000 pounds-feet of torque, the 6.7 Cummins inline-six is generally reliable. However, it is still prone to some engine troubles. +Read more
One of the common issues with the engine is blown head gaskets. Believed to be caused by higher cylinder pressure than the 5.9 Cummins produced, a 6.7 Cummins head gasket replacement may be needed if there is coolant entering the combustion chambers, oil and coolant mixing with each other, or overheating and leaking coolant.
Shop ProSource Diesel’s wide range of 6.7 Cummins parts, including head gaskets, oil coolers, cylinders, and more.
