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Old Jul 22, 2025 | 03:41 PM
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Fuel filter

hi all, new member here,

Has anyone had an issue with installing the under hood Motorcraft FD-4615 fuel filter canister? Mine would not drop in all the way, the last inch and a half was to large , I had to grind it down with a drum sander on the drill press! We have a 2014-350 SD with the 6.7 diesel! Any help would be appreciated!!!☮️✌🏻
 
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Old Jul 22, 2025 | 09:33 PM
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Possible Motorcraft counterfeit?

Where did you buy it?

or user error
 
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Old Jul 23, 2025 | 06:18 AM
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I had this the last time too and needed to grind down the casting marks - I wasn’t happy. I buy filters directly from rockauto so I’m sure it’s not a counterfeit.
 
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Old Jul 23, 2025 | 08:11 AM
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[QUOTE=marksman76;21620951]Possible Motorcraft counterfeit?

Where did you buy it?
I’ve had it on the shelf for maybe a year or more, don’t remember where I bought it! I looked on our Amazon account but it wasn’t purchased from them.
I did some research online and it appears to be a counterfeit🤬 so I’m getting one from Rockauto tomorrow, being a counterfeit I don’t trust what’s inside!
I’ll update my post when I receive it!!! Thanks for your reply!


 
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Old Jul 23, 2025 | 08:14 AM
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Filter

Originally Posted by Euroman
I had this the last time too and needed to grind down the casting marks - I wasn’t happy. I buy filters directly from rockauto so I’m sure it’s not a counterfeit.
I have one coming tomorrow from rockauto I’ll post the results! Thanks for replying
 
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Old Jul 24, 2025 | 05:49 PM
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Received the new filter kit, I changed both filters, the canister fit right in!!! When I get a chance I’m going to cut the canister’s open and see if there is a difference between them, I’ll post results when that happens! What I did notice is on the OEM the numbers on the lid were done very professional like a hot stamp the knockoff was hardly stamped at all!!!
 
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Old Jul 27, 2025 | 07:33 AM
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Cast markings……meaning the reinforcement ridges??

something is not right if the filters have to be ground down…..are we installing the filters first then connecting the hoses?

 
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Old Jul 27, 2025 | 08:46 AM
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Yes was trying to install top canister first!!!
I just cut them open this morning and other than the canister being oversized everything else including all numbers looked identical to old filter assembly!!!🤬🤬
 
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Old Jul 27, 2025 | 09:43 AM
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The last one I got was like this, it is a Motorcraft that I picked up at Oreilly’s, so I doubt it’s a counterfeit. I absolutely could not get it to latch into the filter holder.
 
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Old Jul 27, 2025 | 10:00 AM
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Originally Posted by PSI-op
The last one I got was like this, it is a Motorcraft that I picked up at Oreilly’s, so I doubt it’s a counterfeit. I absolutely could not get it to latch into the filter holder.
Did you take it back, what did they say?
 
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Old Jul 27, 2025 | 10:29 AM
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Originally Posted by Alan1946
Did you take it back, what did they say?
I ended up running it. It was only sticking up maybe a half an inch and with the friction fit it is definitely not going anywhere. The old one would easily latch in, so not operator error.
 
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Old Jul 27, 2025 | 12:00 PM
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Originally Posted by PSI-op
I ended up running it. It was only sticking up maybe a half an inch and with the friction fit it is definitely not going anywhere. The old one would easily latch in, so not operator error.
same here, it just sticks up slightly, but I’ll be changing it out earlier than normal, hopefully the next one fits better.
 
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