Cummins Replacement Crankcase Breather Vent Tube 03-05 Dodge Ram 5.9L Cummins WT-454221 Why convert your LML's Fuel

Why convert your LML's Fuel System from a CP4 to a CP3 The stock CP4 is only capable of supporting up to ~500rwhp

which gives the transmission the line pressure it needs for the torque increase of the tuning

Increase the durability and performance of your valvetrain with this upgraded trunnion set from XDP

and even a drill bit designed specifically for plastic to ensure you won't end up with stripped holes

Cummins Replacement Crankcase Breather Vent Tube 03-05 Dodge Ram 5.9L Cummins WT-454221 Why convert your LML's FuelThe crankcase breather oil vent tube is responsible for venting crankcase gas from the breather assembly out of the engine. In some cases, these tubes can crack or break because of their plastic construction. Replace this tube with a genuine Cummins Replacement Crankcase Breather Vent Tube. This tube is a direct replacement and will allow for proper gas flow out of your engine.