Duramax 04.5-05 LLY Brand New Stock CP3 -DDP 2020 If your engine configuration is

If your engine configuration is exceeding factory RPM limits a Performance Series head with higher valve spring rates is required

smoke output may be excessive to some

The water in fuel sensor threads into a port on the delete block

longest lasting and most reliable aftermarket filtration system in the diesel industry

Little to No smoke with excellent MPG

Duramax 04.5-05 LLY Brand New Stock CP3 -DDP 2020 If your engine configuration isDuramax 04. 5 05 LLY: Brand New replacement stock CP3 injection pump. No core charge. Details: Liter: 6. 6 Engine: LLY Duramax Years: 2004. 5 2005 Fuel Type: Diesel Condition: New Not For Sale In California