M931 fuel filter

[D6c]

Looks like I should replace the fuel filter on my M931 as the water drain on the filter canister was plugged. Screwed out the drain valve and found a lot of rusty colored crud blocking the drain.

The sticky thread at the top of this forum lists a NAPA 3401 filter as a replacement. http://www.napaonline.com/Catalog/CatalogItemDetail.aspx/Fuel-Filter-Gold-/_/R-FIL3401_0271582658 A little pricey at $51.75 but I guess it won't get replaced very often.

Before I open up the filter canister, are the seals/gaskets that come with this Napa filter correct for the M931 or do I need to find them elsewhere?

 

[elkhtr]

They were correct for my trucks.

 

[Floridianson]

When I get a canister with a lot of rust in the bottom I let it soak in my mineral tank for awhile and air dry. Then pour some muriatic acid in the canister bottom and it eats the rust. Then I water flush real well and air dry.

 

[Stonepicker1]

I have some new filters for sale in the Classifieds. A lot cheaper. Made in USA.

http://www.steelsoldiers.com/showth...-ton-trucks-M939-M939A1-and-M818-M816-wrecker

 

[D6c]

I have some new filters for sale in the Classifieds. A lot cheaper. Made in USA.

http://www.steelsoldiers.com/showth...-ton-trucks-M939-M939A1-and-M818-M816-wrecker

Thanks, I'll keep those in mind. The local NAPA store ordered one for me for about $35

 

[joesco]

Do yourself and your truck and convert to a spin-on setup.

 

[Floridianson]

Do yourself and your truck and convert to a spin-on setup.

I have to disagree the large canister filters has a lot of area and the water catch is very large. If one was to put 300 miles a day everyday but Sunday I would say switch but a 1000 miles a year with clean tank good fuel change it when you get the truck and forget about it.

 

[JohnnyBM931A2]

What year M931 do you have? I'm wondering if that NAPA # is the same filter that I need for my '91 M931A2..

 

[allie]

mine is a 1986 m931 im gonna need a filter as well do you guys have a napa part number?
Thanks
al