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- CP3 Pumps - GM Duramax LB7
US Diesel Parts - CP3 Pumps - GM Duramax LB7
The life-line of your 6.6L Chevy Duramax LB7 is the Common Rail Fuel Injection System. We carry Bosch re-manufactured CP3 injection pumps and injectors to provide the highest quality while saving your hard earned money. These CP3 injection pumps come with a 1 year, unlimited mile warranty. We also carry high-flow performance CP3 pumps that will flow as much fuel as your Duramax can demand.