Cummins Coolant Bypass Kit (2006-2007 Auto Trans) AOMS ***Now covered under a 2

***Now covered under a 2 year manufacturer warranty

this can be caused by several different factors and FASS Filtration Systems is designed to eliminate those that are fuel related

extending oil change intervals and reducing overall maintenance costs

and overall protection of diesel fuel systems

you can upgrade your E41 ECM in roughly 20 minutes—all you need is this upgrade kit

Cummins Coolant Bypass Kit (2006-2007 Auto Trans) AOMS ***Now covered under a 2Increased 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