CP3 fuel pump upgrade thread

McGuirk

Veteran Member
Joined
Aug 30, 2012
Location
Florida
TDI
Audi A3 TDI, 2012 Golf TDI , 2014 GTI to TDI swap
Where did you get your filter adapter from I tried nicktane webside but they don’t have it
It isn't sold anymore. If you search "cat 0750 filter adapter" there are quite a few different options. You may have to use a creative method to make it all come together but it can be done. Amazon sells a cheap cat filter adapter too.
 

lemoncurd

Veteran Member
Joined
May 24, 2019
Location
PNW
TDI
2013 CJAA GTB2266
Great, thanks for all the info I would remove the auxiliary pump and try to do the filter adapter at the same time. It should be the same process to prime the system right? I use obd11
yeah same process to prime it. there is an intank lift pump still which will circulate fuel through the filter and CP3 inlet
 

Bryan111

Member
Joined
Oct 15, 2024
Location
Plano
TDI
2010 golf 2 door
yeah same process to prime it. there is an intank lift pump still which will circulate fuel through the filter and CP3 inlet
Ok so here is an update of my auxiliary pump removal and cat filter install, I couldn’t find a filter base that would bolt to any part of the engine bay, all the ones I found where meant to hold the actual filter with hose clamps instead of the base which deceives the idea of the screw in filter. I saw a YouTube video of ( josh’s jetta’s) and did the same thing, I went with just a generic filter base from Amazon, I cut the top screw hole of it to make it flat and then painted black, enlarged the 2 square holes on the metal bracket on top of the headlight and bolted the filter housing to it, for the fuel lines I went a different route from the video I remade my fuel lines so I could run the line from the tank to the filter through the back of the coolant reservoir then made a short line from filter to cp3 pump and also remade the return line to the tank and held it to the coolant line with some 6an dual line clamps for a cleaner look to finish I did some trimming to the engine cover to clear the line from filter to cp3 pump. Everything seems to be working fine so far and I spent less than $100 in all the parts, now there is enough space in there to unscrew your filter and install a new one with one hand in no time.
Here is a few pictures of the installation







 

McGuirk

Veteran Member
Joined
Aug 30, 2012
Location
Florida
TDI
Audi A3 TDI, 2012 Golf TDI , 2014 GTI to TDI swap
Ok so here is an update of my auxiliary pump removal and cat filter install, I couldn’t find a filter base that would bolt to any part of the engine bay, all the ones I found where meant to hold the actual filter with hose clamps instead of the base which deceives the idea of the screw in filter. I saw a YouTube video of ( josh’s jetta’s) and did the same thing, I went with just a generic filter base from Amazon, I cut the top screw hole of it to make it flat and then painted black, enlarged the 2 square holes on the metal bracket on top of the headlight and bolted the filter housing to it, for the fuel lines I went a different route from the video I remade my fuel lines so I could run the line from the tank to the filter through the back of the coolant reservoir then made a short line from filter to cp3 pump and also remade the return line to the tank and held it to the coolant line with some 6an dual line clamps for a cleaner look to finish I did some trimming to the engine cover to clear the line from filter to cp3 pump. Everything seems to be working fine so far and I spent less than $100 in all the parts, now there is enough space in there to unscrew your filter and install a new one with one hand in no time.
Here is a few pictures of the installation







Looks great! Should be running nice now without the aux pump and the new line routing.
 

lemoncurd

Veteran Member
Joined
May 24, 2019
Location
PNW
TDI
2013 CJAA GTB2266
honestly im thinking about swapping to a filter like that simply for the neater engine bay look

how is replacing that filter @Bryan111 ?

can you spin it out without removing the base mounted in the engine bay?
 

Bryan111

Member
Joined
Oct 15, 2024
Location
Plano
TDI
2010 golf 2 door
Yes sir, its a really tight squeeze but you can spin the filter and change it with out messing with the base, it took me longer to plug in my obd11, go to the app and prime the system than changing the filter
One thing I do recommend, no sure if it’s needed but this is just me from owning a 5.9 Cummins with a Fass fuel system on it.
I left the filter a little loose and started priming the system, you can hear all the air coming out, once you see some fuel dripping out of it you can finish tightening the filter, that is the process Fass recommens to change their filters
I did it this way and the car started right up compared to the oem filter that no matter how long I would lived the pumps running, it would always crack for a little while before starting
 

ZippyNH

Veteran Member
Joined
Apr 22, 2015
Location
Southern NH
TDI
2015 JETTA TDI SE
Yes sir, its a really tight squeeze but you can spin the filter and change it with out messing with the base, it took me longer to plug in my obd11, go to the app and prime the system than changing the filter
One thing I do recommend, no sure if it’s needed but this is just me from owning a 5.9 Cummins with a Fass fuel system on it.
I left the filter a little loose and started priming the system, you can hear all the air coming out, once you see some fuel dripping out of it you can finish tightening the filter, that is the process Fass recommens to change their filters
I did it this way and the car started right up compared to the oem filter that no matter how long I would lived the pumps running, it would always crack for a little while before starting
Tip...if you are going to use that style filter, you can get a CLEAR holder that holds a slightly shorter filter that has a drain on it...makes it easier to monitor for moisture, color and you can drain a few drops of water that collects in it to extend the filter life.
 

mikerob97

Veteran Member
Joined
Feb 17, 2002
Location
Wake Forest, NC
TDI
2014 Jetta Sportwagen
Tip...if you are going to use that style filter, you can get a CLEAR holder that holds a slightly shorter filter that has a drain on it...makes it easier to monitor for moisture, color and you can drain a few drops of water that collects in it to extend the filter life.
Funny - my old Peugeot 504 diesel use to have a clear glass filter bowl with a manual priming pump on the top of the aluminum housing. And yes, a thumbscrew water drain at the bottom...
 

calimustang

Veteran Member
Joined
May 17, 2010
Location
Central FL
TDI
2011 JSW DSG (buyback, RIP), 2014 JSW TDI, 2015 Passat TDI, 2013 Jetta TDI.
Hey guys,

there has been a million posts about P0087 and now I know why, please check this part on your car and make sure you clean it really good. my JSW dont have that part anymore. my cp3 kit are 2micron designed kit, he knew what was coming.

 

McGuirk

Veteran Member
Joined
Aug 30, 2012
Location
Florida
TDI
Audi A3 TDI, 2012 Golf TDI , 2014 GTI to TDI swap
Hey guys,

there has been a million posts about P0087 and now I know why, please check this part on your car and make sure you clean it really good. my JSW dont have that part anymore. my cp3 kit are 2micron designed kit, he knew what was coming.

Funny thing on my A3 i replaced that screen housing during install because I broke the old one. Car still had trouble with the p0087. Only thing that has fixed it is the fuel line routing. Very interesting though.
 

DieselDude25

New member
Joined
Mar 15, 2025
Location
STL MO
TDI
2013 Passat SE CKRA
Has anyone done a CP3 swap on a 2013 CKRA? Info seems limited on the ckra.
Trying to do this to a fully stock engine with emissions without a tune hopefully.
Looking into doing it to mine and I'm torn between the Cascade German kit or the Whitbread kit.
WB uses a cp3 with a gear pump on the case and on the other engines requires the aux pump to be removed
CG uses a BMW R70 CP3 without the gear pump
My CKRA DOES NOT have an under hood aux pump just the in tank sending unit pump so I'm wondering if ill have a supply issue to a non gear pump cp3
Any info would be helpful!
 

DieselDude25

New member
Joined
Mar 15, 2025
Location
STL MO
TDI
2013 Passat SE CKRA
Got my answer from Cascade German:
(quoted from email)
"The CKRA specifically does NOT have an intermediate fuel pump anyway. Its in-tank pump puts out a lot more pressure than the CBEA/CJAA pump does--7 PSI vs. 65-68 PSI.... But once again, no modification of that side of the system is required.

Some of the kits that use a VW CP3 require removal of the intermediate pump because those CP3s have a built-in lower pressure vane pump that does the job of pumping the pressure higher. Usually, those kits also require some special tuning to get to work correctly with the stock software. *Usually* the R70 kit does not. However, if your car is already tuned, there is an increased chance that you will have to have it re-tuned."

Gonna go ahead and order the kit from them, I'll post an update when I get it and when I start the install.
 

pktuning

New member
Joined
Apr 2, 2025
Location
Sweden
TDI
Golf MK6 1.6TDI
Hi everyone

I am currently sourcing all parts for a CP3 install and this thread has been great.
However I cannot seem to find any dealer that sells the FRV 0928400643.
Have been digging around and found several that claims 1465ZS0055 is a direct replacement for 0928400643, Has anyone tried and can confirm this?
 

Tuheeden

Veteran Member
Joined
Sep 18, 2022
Location
North Carolina
TDI
2013 & 2014 Jetta sportwagon
Hi everyone

I am currently sourcing all parts for a CP3 install and this thread has been great.
However I cannot seem to find any dealer that sells the FRV 0928400643.
Have been digging around and found several that claims 1465ZS0055 is a direct replacement for 0928400643, Has anyone tried and can confirm this?
That part number does show as a replacement, but why not just buy the CP3 and regulator valve directly from United Diesel? They have good service and prices.
I guess it's more fun to cobble it all together and watch it work.
 

pktuning

New member
Joined
Apr 2, 2025
Location
Sweden
TDI
Golf MK6 1.6TDI
That part number does show as a replacement, but why not just buy the CP3 and regulator valve directly from United Diesel? They have good service and prices.
I guess it's more fun to cobble it all together and watch it work.
Because I already have the CP3 pump, And I have gone my own route with the fitment of the pump by re-machining the alternator/pump bracket instead of using the spacer/adapter so I am too far gone to change my mind and buy a kit now :D
 

connap

New member
Joined
Apr 3, 2024
Location
Washington
TDI
Mk6 jetta 2012
Help, converted over to cp3 pump. When it was first installed ran it for 20+ minutes and it ran fine. Next morning put the tire back on dropped the car, started and ran for about thirty seconds then died on me. I've tried bleeding it by jumping tank pump, and cracking all lines, and injectors lines. Get a steady stream of fuel. But when I go to start it It will not run at all. No cel or anything I'm feeling pretty defeated but I want this car running. It's a 2012 jetta tdi. Engine code cjaa, darkside stage one cp3 kit. I also do not have vcds, I'm thinking I need to invest, so I can watch fuel pressure and make sure it's good when cranking it.
 

sbrinson

Member
Joined
Sep 8, 2023
Location
SOUTHEAST US
TDI
Jetta
Figured I'd start a thread so we can track all the CP3's that are being installed on our CR TDI's now. We can keep a running list of members in this first post, and the thread can be devoted to talk about anything CP3 related.

Here are the current members with the CP3 pump installed and running:
1. 2Micron
2. YukonLT
3. Paulinski
4. schreibers
5. UberVW_TDI
6. camboscams
7. turbobrick240
8. road hog
9. DieselDubs83
10. 2010JSWDSG
11. edgewatertom
12. TDIA3
13. WalkingDrunken
14. Pitboy
15. dieselherb1
16. UFO (under fueled oiler)
17. Wingdinger
18. Canary5.0
19. Buckwild90
20. xjay1337
21. mpriolo
22. 1972SS454
23. freyguy
24. Cptcrnch
25. Rhino1829
26. ksing44
27. McGuirk
28. np9131
29. skycrane
30. calimustang
31. JiveTurkey
32. voilsb
33. adjat84th
34. NIN846
35. pkhoury
36. lovehandles18
37. JordanLee
38. Mitternacht
39. 97B4TDi
40. Omacrontron



Anyone that installs the CP3, post up so we can add to the list and hear about your upgrade!

Here are a couple links to the birth of this upgrade:
Andrew's initial testing and fitment
YukonLT's install and impressions

Looking forward to seeing more of these on the road!
You can add me to the list. 2013 Jetta Vi CJAA CP3 swapped yesterday with Whitbread kit.
 

Da17

Active member
Joined
Sep 22, 2024
Location
Oklahoma
TDI
2015 Passat
Figured I'd start a thread so we can track all the CP3's that are being installed on our CR TDI's now. We can keep a running list of members in this first post, and the thread can be devoted to talk about anything CP3 related.

Here are the current members with the CP3 pump installed and running:
1. 2Micron
2. YukonLT
3. Paulinski
4. schreibers
5. UberVW_TDI
6. camboscams
7. turbobrick240
8. road hog
9. DieselDubs83
10. 2010JSWDSG
11. edgewatertom
12. TDIA3
13. WalkingDrunken
14. Pitboy
15. dieselherb1
16. UFO (under fueled oiler)
17. Wingdinger
18. Canary5.0
19. Buckwild90
20. xjay1337
21. mpriolo
22. 1972SS454
23. freyguy
24. Cptcrnch
25. Rhino1829
26. ksing44
27. McGuirk
28. np9131
29. skycrane
30. calimustang
31. JiveTurkey
32. voilsb
33. adjat84th
34. NIN846
35. pkhoury
36. lovehandles18
37. JordanLee
38. Mitternacht
39. 97B4TDi
40. Omacrontron


Anyone that installs the CP3, post up so we can add to the list and hear about your upgrade!

Here are a couple links to the birth of this upgrade:
Andrew's initial testing and fitment
YukonLT's install and impressions

Looking forward to seeing more of these on the road!
I installed one on a 2015 Passat CVCA.
 
Last edited:

sbrinson

Member
Joined
Sep 8, 2023
Location
SOUTHEAST US
TDI
Jetta
What is the cost of the CP3 mod....
I see this, may be bigger turbo and the serpentine belt guard making the CJAA super reliable.... from some nagging issues that suck the fun out it.
get it.

please post a photo of your CP3 install as well
Will do. I still have to sort out the oil lipstick. May move the hp line to the other outlet and rebend it, but will post up when done.
 

sbrinson

Member
Joined
Sep 8, 2023
Location
SOUTHEAST US
TDI
Jetta
look at my post for idea's about the dipstick. washers + a longer bolt

CP3 fuel pump upgrade thread | Page 38 | TDIClub Forums
Got it. My dipstick appears to not line up when pulled forward, but may be an illusion. I am going to get a bolt today and see if i can machine a spacer to fill the gap. I know one thing, my car seems to run smoother all across the rpm range, compared to the cp4. I am MR tuned SOF, and it is amazing in stock 1 and 2. It just feels like it should, imo. I can not express my gratitude enough to the pioneers like 2micron, and the profidiesel guys across the pond, and everyone who has done the tough work of fixing the mess that the EPA pushed VW into bastardizing a good vehicle.
 

calimustang

Veteran Member
Joined
May 17, 2010
Location
Central FL
TDI
2011 JSW DSG (buyback, RIP), 2014 JSW TDI, 2015 Passat TDI, 2013 Jetta TDI.
2micron is in Canada, not across the pond. we still keep in touch from time to time.

@lemoncurd is correct on adding several washers on the oil dipstick to avoid hitting the cp3 hard pipe, mine did hit for a while. showing some erosion but no hole yet. caught that in time and added washers and no issues since but recommend using a locking washer to keep it in place. I lost the dipstick mount bolt once.....
 

sbrinson

Member
Joined
Sep 8, 2023
Location
SOUTHEAST US
TDI
Jetta
2micron is in Canada, not across the pond. we still keep in touch from time to time.

@lemoncurd is correct on adding several washers on the oil dipstick to avoid hitting the cp3 hard pipe, mine did hit for a while. showing some erosion but no hole yet. caught that in time and added washers and no issues since but recommend using a locking washer to keep it in place. I lost the dipstick mount bolt once.....
Yes, the across the pond comment was related to my friends at Profi Diesel. Amazing bunch of guys, doing some crazy builds, and pioneering some awesome products.
About the oil stick, mine is pretty far off. My cp3 seems to be clocked About 30 degrees more clockwise than what I see everyone else's. My engine hook required extensive modification, not just a little grinding on the one bolt hole. This is all causing minor issues with things like the oil stick, but I will overcome it with a mod of some sort. My oil stick is at least 3/8" from touching the asv, if not 1/2", just because of the clocking.
 

sbrinson

Member
Joined
Sep 8, 2023
Location
SOUTHEAST US
TDI
Jetta
Does anyone know how difficult it is to swap the hp outlet fitting to one of the other T50 plug options on the cp3? I believe that I could benefit from using one of the other ones, because of how my cp3 is clocked. Mine is about 30 degrees more clockwise than what most of what I see on other installs.
 
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