Dec 19, 2020 · CP4 to CP-ISB21S3 (revised CP3) change for 2021 6.7L Diesel Trucks -- Merged Threads Viper67 Dec 19, 2020 1 …

Dec 19, 2020 · A 3500 DRW, HO, Aisin. Excellant truck so far but after more time has passed the CP4 failures have started to show up. At least at UPS just about any large issue on our Cummins …

Dec 21, 2020 · Please post your replies to the thread below and refrain from starting new posts regarding the 2021 change to CP3 CP-ISB21...

Aug 8, 2021 · RamCares Cp4 service solution updates - (Y78) CP4 recall issued by FCA - 2020 Parts Available May 10 Bocephus Aug 8, 2021 1 …

Dec 22, 2020 · Symmetrical Bosch CP4.2 injection pump on late 2020 models (HDRams) The 2019 Ram Heavy Duty models debuted with the new 6.7 liter Cummins Turbo Diesel inline-6, the first to …

Mar 24, 2025 · We also know from the Ford 6.7 vs GM LML situation, the CP4 survivability tended to be better with good filtration and lift pumps. Both of those are present, so just like on the Fords, it should …

Sep 7, 2020 · The LX4 Lubricity Extreme is a CP4 fuel system saver that helps protect vehicles susceptible to a failing CP4 fuel injection pump. Order at Hot Shot's Secret!

Oct 16, 2020 · After 10 months of ownership and 2 CP4 replacements later, 1 Asymetrical and now Symetrical my CP4 pump rattle is finally gone after they installed the new pump today.

Dec 19, 2020 · FCA released the CP4 in 2019, released a modified CP4 cam in mid-2020 and then reverted to the CP3 in 2021 Ford is currently failing to get class action lawsuits thrown out (link) as is …

Dec 19, 2020 · CP4 to CP-ISB21S3 (revised CP3) change for 2021 6.7L Diesel Trucks -- Merged Threads Viper67 Dec 19, 2020 Prev 1 …