20-25 GMC Sierra 3.0L Duramax Crankcase Ventilation Oil/Water Separation Kit Pacific Performance Engineering Engine Oil Drain Plug|Engine Oil|Engine and Components the transmission control module commands

the transmission control module commands the EPC to vary mainline pressure

thanks to PPE's Interlocking Aluminum V-Band Exhaust Flanges (F-Exhaust Side)

Note: This kit will not work with a Factory Intake Horn

They are center-less ground to assure perfect concentricity

The PPE High-Performance Heavy-Duty Serpentine Drive Belt provides reliability and durability to your vehicle

20-25 GMC Sierra 3.0L Duramax Crankcase Ventilation Oil/Water Separation Kit Pacific Performance Engineering Engine Oil Drain Plug|Engine Oil|Engine and Components the transmission control module commandsDuring the development of our PPE 3. 0L Duramax Intercooler and Turbo Resonator Delete Tube, we confirmed that these trucks emit a significant amount of oil and hydrocarbons through the crankcase ventilation system, which are directly routed back into the turbo compressor housing. These contaminants mix with EGR gases, causing harmful sticky carbon buildup in the plastic intake manifold, swirl valves, and intake valves. This leads to reduced