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CP4 Disaster Prevention Kit

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Old Feb 27, 2026 | 06:06 AM
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CP4 Disaster Prevention Kit

Well I finally bit the bullet and purchased the $438.00 CP4 disaster prevention kit from S&S Diesel (really from Amazon in the end). My truck is a 2019 PSD with just over 40k miles (bought it 11/30/2019). I hope I never have to prove the worth of this kit!
 
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Old Feb 27, 2026 | 10:22 AM
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Good choice, but I hope it’s real. I would never buy something like this on Amazon… too many fakes. And this isn’t where you want to take that chance.
 
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Old Feb 27, 2026 | 10:26 AM
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Originally Posted by chadstickpoindexter
Good choice, but I hope it’s real. I would never buy something like this on Amazon… too many fakes. And this isn’t where you want to take that chance.
Well, I clicked the buy now link in S&S Diesel's website and it took me to the Amazon item's page...
 
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Old Feb 27, 2026 | 02:53 PM
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Originally Posted by LEMII
Well I finally bit the bullet and purchased the $438.00 CP4 disaster prevention kit from S&S Diesel (really from Amazon in the end). My truck is a 2019 PSD with just over 40k miles (bought it 11/30/2019). I hope I never have to prove the worth of this kit!
great move....

s&S has a video of a failed cp4 that has their dpk installed and they were able to drive it for hours ....
 
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Old Feb 27, 2026 | 04:39 PM
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Originally Posted by LEMII
Well, I clicked the buy now link in S&S Diesel's website and it took me to the Amazon item's page...
Gotcha. Didn't realize they had it set up like that now. I would feel ok about that then. I got mine from Thoroughbred Diesel. Same price. They are a great company too if you are looking for anything else.
 
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Old Feb 27, 2026 | 05:04 PM
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I ordered mine on Amazon a couple of years ago. S&S's latest and greatest version, on my porch the next morning.
 
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Old Feb 27, 2026 | 06:49 PM
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extended warranty is up in June so definitely want to get his in before hand.
 
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Old Mar 1, 2026 | 10:39 AM
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OP, I also have a 2019 and need to make this happen as well. Let us know how the install goes assuming your doing it yourself?

Good luck,

Mike
 
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Old Mar 1, 2026 | 04:23 PM
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Originally Posted by alexmonroe75
I've gotta say, the CP4 issues are a huge concern for a lot of us, especially those with the 2021 F-250 6.7L Power Stroke. I've heard some good things about the Disaster Prevention Kit, my buddy with the 2022 F-350 has it installed and says it's made a huge difference.
They started using CP4's with pined buckets around 2020, so while the 20+'s are still prone to fail, the 19 and under years technically have a higher likelihood of failing. Maybe you are referring to the recall that is ongoing, but that has more to do with biodiesel deposits building up in them from letting biodiesel sit in the engines after they were (partially) built and then shipped to sit in fields until completion. This could eventually lead to an issue with the CP4, but this isn't the result of a bad CP4 so much as improper maintenance (on Ford's part). This is also why you should avoid using anything more than B5 if at all possible, and even more so if you let your truck sit for long periods of time. Try to stick with either D2 or even renewable. Aviod bio!

And the DPK is great. It will not make any difference in any sort of performance though. It is simply a means to prevent glitter from running through your high pressure side if the CP4 does fail. Understand to that a DPK won't prevent a CP4 from failing. It's just there to protect the rest of the engine when/if it does. Also, if you plan to get one, be sure to get one from S&S, not the cheapest one you can find on eBay or Amazon. As for installation, it is pretty simple, but be sure to take you time and keep up with parts are you are removing them so they go back in the right spot. I did my own and had no issues.
 
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Old Mar 2, 2026 | 05:45 AM
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Originally Posted by Mike Bartlett
OP, I also have a 2019 and need to make this happen as well. Let us know how the install goes assuming your doing it yourself?

Good luck,

Mike
Yah, I'm going to do it myself - I admit I am a little nervous about it as there is a LOT of connections to be separated and re-connected. I'll take photos of each one to ensure I get them all back together.
 
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Old Mar 2, 2026 | 05:51 AM
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Originally Posted by chadstickpoindexter
They started using CP4's with pined buckets around 2020, so while the 20+'s are still prone to fail, the 19 and under years technically have a higher likelihood of failing. Maybe you are referring to the recall that is ongoing, but that has more to do with biodiesel deposits building up in them from letting biodiesel sit in the engines after they were (partially) built and then shipped to sit in fields until completion. This could eventually lead to an issue with the CP4, but this isn't the result of a bad CP4 so much as improper maintenance (on Ford's part). This is also why you should avoid using anything more than B5 if at all possible, and even more so if you let your truck sit for long periods of time. Try to stick with either D2 or even renewable. Aviod bio!

And the DPK is great. It will not make any difference in any sort of performance though. It is simply a means to prevent glitter from running through your high pressure side if the CP4 does fail. Understand to that a DPK won't prevent a CP4 from failing. It's just there to protect the rest of the engine when/if it does. Also, if you plan to get one, be sure to get one from S&S, not the cheapest one you can find on eBay or Amazon. As for installation, it is pretty simple, but be sure to take you time and keep up with parts are you are removing them so they go back in the right spot. I did my own and had no issues.
Thanks for the encouragement, I'm glad yours went well. I see it as a relatively cheap insurance policy: spend $450 and a Saturday to prevent (hopefully) a $10,000 repair bill in the event of a CP4 failure. At least that's how I justified the spend.
I'll try to take some pics and document and share my experience with the install, but I won't be doing any videos.
 
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Old Mar 2, 2026 | 04:18 PM
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Save your time and effort of taking pictures and concentrate on the task at hand. Many have already done that and some videos. S & S's directions for the disaster prevention kit and/or the DCR pump are very complete and informative for the installation and even has good pictures for reference.
 
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Old Mar 2, 2026 | 04:28 PM
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I used the video from Thoroughbred Diesel when doing mine. It was step by step on a stock 6.7. I was able to follow it to a T!

 
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Old Mar 3, 2026 | 06:36 AM
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Originally Posted by chadstickpoindexter
I used the video from Thoroughbred Diesel when doing mine. It was step by step on a stock 6.7. I was able to follow it to a T!

https://www.youtube.com/watch?v=xSC6nlFLGm8&t=4s
But that's for 2020+ year model trucks, mine is a 2019. From the videos I've seen there are subtle differences in the layout of the engine compartment from 2017 to mine. The one from S&S and another from Thoroughbred seem most helpful. I'll take photos to ensure I get everything put back right. I'll probably even bag hoses, clamps, fasteners, and other parts separately and label them; I'm getting to the age when I forget exactly what goes where!
 
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Old Mar 3, 2026 | 07:52 AM
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Originally Posted by LEMII
But that's for 2020+ year model trucks, mine is a 2019. From the videos I've seen there are subtle differences in the layout of the engine compartment from 2017 to mine. The one from S&S and another from Thoroughbred seem most helpful. I'll take photos to ensure I get everything put back right. I'll probably even bag hoses, clamps, fasteners, and other parts separately and label them; I'm getting to the age when I forget exactly what goes where!
Here is their video for the 11-19's. I found that when I did mine I just made sure that as I took parts (nuts and bolts really) out I didn't just throw them in a pile. I had a large area that I was able to lay stuff out and keep it all in order and grouped together. However, once you pull the intakes off, put something over the intakes and the turbo so nothing falls in them! I actually used new, clean shop towels and just lightly tucked them in the openings until time to put things back together. Also, before you pull the metering device, clean all around the area well so no dirt or debris falls into the pump. And lastly, if you are thinking about new hot or cold side pipes, radiator hoses, piping kits, fresh CCV boxes, etc... now is the time to do them since everything will be removed (or at least have easier access to them). Heck, if it's about time to do a fuel filter change, you can go ahead and get the upper done while doing this too.

 
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