Cummins Coolant Bypass Kit 003-05 Auto Trans with Stainless Steel Braided Line Fleece Performance CLOTHING Seamless Integration:

Seamless Integration:

00in (S400) outlet

and you'll see why

Give your vehicle the finishing touch with this easy upgrade

Part Number: 50-70013D

Cummins Coolant Bypass Kit 003-05 Auto Trans with Stainless Steel Braided Line Fleece Performance CLOTHING Seamless Integration:Increased 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