CP3 Injection Pumps for 2007+ Dodge 6.7L Cummins. The heart and soul of any diesel engine is the fuel system. Common rail technology has taken over the diesel fuel injection industry. We offer the best diesel fuel injection systems on the market today. We offer brand such as Bosch, Industrial Injection, Dynomite Diesel, Torque Diesel Motorsports, BD Diesel, Fleece Performance, GB Reman and many others. So if you are in the need for a stock or modified CP3/CP4 fuel injection pump, diesel fuel injectors, diesel fuel pressure regulators, fuel rails, fuel rail sensors or just about anything that has to do with your common rail fuel system, we can help you.