EPC Solenoid Fooler Plug XD345 XDP 6.7 Your factory connector tubes can

Your factory connector tubes can degrade over time as a result of poor-quality diesel fuel

Enhanced Reliability

efficiency

Increases Cooling System Reliability & Longevity

slide the XDP Radiator Drain Pipe in place

EPC Solenoid Fooler Plug XD345 XDP 6.7 Your factory connector tubes canIncrease the durability, line pressure, and performance of the Allison transmission in your 2011 2019 GM 6. 6L Duramax LML and L5P with the XDP EPC Solenoid Fooler Plug XD345. From the factory, the function of the EPC solenoid is to increase line pressure during shifts up to 230 PSI and once the shift is complete, drop the pressure back down to 80 PSI. At 80 PSI your Allison can't hold the added stress of aftermarket upgrades or even towing a heavy