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A clogged or leaking oil cooler can reduce the oil's ability to transfer heat to the coolant
A modified or dual CP3 and upgraded turbo(s) are mandatory along with custom tuning
Broke your injector harness connector on your 6
9L 12V 6BT Dualoy Piston & Ring Kit (7199DKT)
ACDelco will always meet or exceed OE specifications
2003-2005 Cummins 5.9L Coolant Bypass Kit Auto Transmission (FPE-CLNTBYPS-CUMMINS-0305) 2008 - 2010 GM Additives & Oils A clogged or leaking oilIncreased Coolant Flow, Decreased Coolant Temperatures The rear cylinders on the 5. 9 6. 7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. Our coolant bypass kit adds a secondary