
When the CP4 pump lets go, it sends shrapnel through your entire fuel system — injectors, rails, lines, everything. This complete contamination kit is the only real fix for your 2013–2018 RAM 6.7L Cab & Chassis. Built for commercial duty and fleet workhorses, it replaces every critical component so you can get back on the road making money instead of spending it.
Includes:
OEM-grade injectors, rails, and high-pressure lines
Replacement CP4 pump (or optional CP3 conversion upgrade)
New filter assemblies, return lines, seals, and gaskets
All fittings and hardware for a true system reset
Fitment:
2013–2018 RAM 3500 / 4500 / 5500 Cab & Chassis – 6.7L Cummins Diesel