If your 6.7 Cummins engine is experiencing issues such as misfires, stalling, or rough idling, it could be due to fuel contamination. The 6.7 Cummins fuel contamination kit is designed to identify and remove harmful contaminants from your fuel system, helping to restore proper engine function. This kit includes OE Bosch parts to replace all affected parts of your fuel system. With this kit, you can quickly pinpoint and replace any fuel contamination issues and address them before they cause further damage.