Pre pump filter
Posting Guru
Joined: Dec 2009
Posts: 2,265
Likes: 2
From: Garden City, KS
I used a 3121 canister filter from Napa and it's equivalent base (I don't know what the PN is). The 3121 is a 32 micron filter, but you could also use a 3118 which is a 21 micron. The base had 1/2NPT ports so all I needed was some 1/2NPT to 1/4NPT reducers and then some 1/4NPT to 3/8" hose barb fittings. That along with some 3/8" injection hose worked really well. No problems whatsoever, just fill the filter up with fuel first, or you might be waiting awhile for it all to prime.
Cargo Master
Joined: Jul 2011
Posts: 2,675
Likes: 979
From: Walpole, MA
I used a 3121 canister filter from Napa and it's equivalent base (I don't know what the PN is). The 3121 is a 32 micron filter, but you could also use a 3118 which is a 21 micron. The base had 1/2NPT ports so all I needed was some 1/2NPT to 1/4NPT reducers and then some 1/4NPT to 3/8" hose barb fittings. That along with some 3/8" injection hose worked really well. No problems whatsoever, just fill the filter up with fuel first, or you might be waiting awhile for it all to prime.
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CousinCarl
1999 - 2003 7.3L Power Stroke Diesel
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Oct 10, 2019 06:16 AM
