I know the cp4 isn't the choice of pump because of reliability issues but I have found a pump that is almost a direct bolt on.
I stayed with the cp4 route because I wanted to keep it simple as support here in Australia for upgrading these cars is dismal.
I have installed the pump and done a few thousand kms on a stage 1 tune and its all working fine with no programming.
These pumps are ment to be good for 600hp on the Cummins so should be more than enough for me when I put a hybrid on.
It's a CR/CP4S2/R93/40-S
Bosch PN 0445010648
It is off a 2015-2017 Nissan Titan with a 5L Cummins is the USA
I picked it up new for $600usd and apparently they updated this pump that so it is less prone to failure by putting a special coating in the cam and pistons.
To install it I had to do the following:
-Use one of the heads off the old cp4 on the new cp4 as the outlet faces a diffent direction and you can't just rotate the head that's on there.
-tap 1 of the holes out as the new pump doesn't have threads in it. Also had to drill the mounting bracket on the engine as the bolt was bigger diamiter. The other 2 hole I didn't tap but used a lock nut and bolt as you can get to it easily.
-swap the ribbed pully from the old pump
-I swapped the metering valve from the old pump aswell as the plug is different on the new one. Also the metering valve faces the other way so it's a bit tight to get the plug on and off once it's installed.
- I wasn't sure if pump timing on the V6 matters but just in case I marked the belt and gears before I took the old one off.
I stayed with the cp4 route because I wanted to keep it simple as support here in Australia for upgrading these cars is dismal.
I have installed the pump and done a few thousand kms on a stage 1 tune and its all working fine with no programming.
These pumps are ment to be good for 600hp on the Cummins so should be more than enough for me when I put a hybrid on.
It's a CR/CP4S2/R93/40-S
Bosch PN 0445010648
It is off a 2015-2017 Nissan Titan with a 5L Cummins is the USA
I picked it up new for $600usd and apparently they updated this pump that so it is less prone to failure by putting a special coating in the cam and pistons.
To install it I had to do the following:
-Use one of the heads off the old cp4 on the new cp4 as the outlet faces a diffent direction and you can't just rotate the head that's on there.
-tap 1 of the holes out as the new pump doesn't have threads in it. Also had to drill the mounting bracket on the engine as the bolt was bigger diamiter. The other 2 hole I didn't tap but used a lock nut and bolt as you can get to it easily.
-swap the ribbed pully from the old pump
-I swapped the metering valve from the old pump aswell as the plug is different on the new one. Also the metering valve faces the other way so it's a bit tight to get the plug on and off once it's installed.
- I wasn't sure if pump timing on the V6 matters but just in case I marked the belt and gears before I took the old one off.