Cat Adapter for the 15/16 [Archive] - Duramax Diesels Forum

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LBZ
03-06-2017, 10:02 AM
I was looking and all the people that sell the cat fuel filter adapter only list them as working up to 2014. Are the newer trucks different and they won't fit or are they the same and people just haven't updated their websites?

clrussell
03-06-2017, 10:10 AM
Wish all the hate of cat filters not having a water separator and cp4 failures I'd just stick with a delco filter.

They should be the same adapter though because the delco filter is the same one

kiwilml
03-06-2017, 10:37 AM
Yeah I agree.. If you do anything I'd say get a fass or airdog.. That'll help better to keep water and trash out of your fuel system and maybe make that cp4 a little happier.. But honestly I wouldn't worry about it if you don't tune the truck..

CarolinaHD
03-06-2017, 12:45 PM
I use the Donaldson p553203 (p553207 is longer) water separator with my cat adapter. They can be had for around $18- $23. Don't run the cat filter by itself.

Nictane lists his filter head fitting up to 2015 but requires the billet spacer to move it away from the engine. I wouldn't see why it would fit a 2016, you should call him up and find out for the rest of us :thumb:


http://nicktane.com/osc/product_info.php?cPath=22&products_id=51

LBZ
03-06-2017, 08:20 PM
Since my first '05 and countless tanks of rig fuel to today not once have I ever had a water in fuel light or ever drained a drop of water from any filters. Not worried about running the Cat filter by itself. Thanks for the info though guys.

NC-smokinlmm
03-06-2017, 08:33 PM
Bad idea with cp4. They struggle enough without extra vaccum on the line and no water separation. The cp3 can handle a little moisture the cp4 just eats itself almost instantly...

LBZ
03-06-2017, 09:14 PM
Good quick way to get a cp3 swap then.....

CarolinaHD
03-06-2017, 09:48 PM
Hahaha I like your train of thought

kidturbo
03-07-2017, 02:05 PM
I'd say Andrew at Injectors Direct would have then if one is out.

What I'm looking for is the part # for a donalson with water separator that fits a FASS...

Sent from my SAMSUNG-SM-G870A using Tapatalk

LBZ
03-07-2017, 02:39 PM
I'd say Andrew at Injectors Direct would have then if one is out.

What I'm looking for is the part # for a donalson with water separator that fits a FASS...

Sent from my SAMSUNG-SM-G870A using Tapatalk
http://www.fassride.com/portfolio-item/replacement-filters/

kidturbo
03-07-2017, 03:15 PM
Yeah but none of those have the sensor in them. I'm not running the factory filter down stream.

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LBZ
03-07-2017, 07:31 PM
Sensor for water? 90% or better I've seen water in the bowl of other trucks and never once set the water in fuel light on. Also heard the same from guys here.

IMO your better off running a water blocker cartridge style filter and water seperator with a complete glass housing so you can see what is going with your incoming fuel.

kidturbo
03-08-2017, 12:03 AM
Exactly, reason I'm looking for a Racor or Donaldson filter setup to replace the stock separator filter on the FASS. I called them about it. While they said they'd seen it done before, didn't have the part#.

Since using 220gph pumps feeding from a 300gal fuel tank in a boat, a good separator with inspection bowl and sensor is a must. Typically Racor is the standard in marine diesel setups. So looking for something like these. Just no good cross ref from the FASS numbers.

https://images.donaldson.com/products/photo/284/p569758-016-541.jpg

http://www.simyamaha.com/v/vspfiles/photos/MAR-REPLB-OW-L2-2.jpg

jlawles2
03-08-2017, 04:29 AM
IIRC Cat has a water separator setup with a clear bowl and a water sensor. You may need to either download the full Cat filter catalogue or find a good parts guy that either knows the part number or is willing to look.

NC-smokinlmm
03-08-2017, 04:30 AM
I starting using the tall yamaha fuel separator filters, the racor bowl type filters have issues with bowl warpage and sealing. Not to mention the housings are made of pot metal and start to corrode in weeks of install...