Cummins fuel filter substitute

[Rebel_driver]

Prior to doing my last oil change, I ordered the Cummins fleetguard ISB5.9 fuel/water separator (FS-19855) from cummins.ca. From my research, I was under the impression that it would fit my 2020 Ecodiesel. Just as a backup I also purchased the OEM Mopar fuel/water separator (68436631AA)

Much to my discovery, the Cummins one does not fit our 2020 Ecodiesels. Here are some photos comparing the differences.

Anyone else experience this issue?

 

[Aseras]

you got one of the 2019-2021 HD 2500's. theres 2 filters now for those. you got the "wrong" one. Fuel Filters 68157291AA and 68436631AA for the HD's

you want only the 68436631AA for the ecodiesel.

 

[Rebel_driver]

I have a 2020 3.0L Ecodiesel. So which Cummins filter do I need then?

 

[Aseras]

you want only the 68436631AA for the ecodiesel.

 

[Rebel_driver]

I understand that but that’s not a Cummins part number.

 

[Aseras]

Cummins 5260529​

Napa 600255NP​

Wix WF10255NP​

Baldwin PF46108​

Mopar 68436631AA​

​

MO291 GF401EX

 

[Finn5033]

Cummins 5260529​

Napa 600255NP​

Wix WF10255NP​

Baldwin PF46108​

Mopar 68436631AA​

​

MO291 GF401EX

I searched that Napa part# on their site and it says it doesn’t fit my 2020 ecodiesel

 

[neddles]

Thankfully, there are 4 other options.

 

[Aseras]

I searched that Napa part# on their site and it says it doesn’t fit my 2020 ecodiesel

It will work. The one you do not want is the spin-on, WF10112

 

[WXman]

This thread is confusing. Lol.

The frame mounted filter element is shared between 2019+ Cummins and 2020+ VM diesels in these trucks. The Cummins then has a second filter that the VM EcoDiesel doesn't have so it's irrelevant.

So, like he said any filter for the 2020+ EcoDiesel will fit the 2019+ Cummins and vise versa, as long as it's the frame mounted filter up in the front of the truck.

 

[Aseras]

right, the one you do not want is the spin on filter that looks like an oil filter and made of metal.

 

[Aseras]

The filter in OPs pictures is a FS19855. That's for the OLD 2000-2002 5.9L cummins.

you want the 6.7L version and you'll be fine.

 

[Rebel_driver]

So which 6.7 one do I need?

 

[Aseras]

FS43255 will work. Newer part number is FS53000

Fleetguard Cummins ISB6.7 Fuel/Water Separator - FS43255

Fleetguard FS43255 Fuel/Water Separator for Cummins ISB6.7. Browse a wide variety of OEM approved Fleetguard filters and products. Shipping or Store Pickup.

shopcummins.com

Fleetguard Cummins ISB6.7 NanoNet Fuel Filter - FS53000

Fleetguard FS53000 NanoNet Fuel Filter for Cummins ISB6.7. Browse a wide variety of OEM approved Fleetguard filters and products. Shipping or Store Pickup.

shopcummins.com

 

[WXman]

Damn. At that price you can buy two genuine Mopar filters. I think I'd pass on that.

 

[Aseras]

yeah. Mopar meets the cummins OE specs. the wix doesn't. it's a 10 micron filter vs 7 micron oe for fleetguard. Mopar and Baldwin meet or exceed cummins specs AFAIK.

 

[Rebel_driver]

Mopar it is then. U save a bit with the dealer discount too