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Discussion Starter #1
Was at the CAT dealer today and the parts person mentioned a Donaldson Company filter that CAT uses as a primary fuel filter on some of their truck engines. He said that he thought it was available for GM diesel. He got the Duramax GM and crossed it and sure enough they make one. The number is P550517. I checked their website and it appears they are a distributor and min purchase is 12 filters. Could not get a price since I am an individual and could not get registered. I tried to find a dealer in the DFW area of TX and have not located a nearby dealer. Sent them an email to get specs, price, and dealer availability.


The could be a viable alternative to the OEM filter. The prices have gotten outragious. O'Reilly is $30.99 for the Wix, Aitozone is $39.99 for the Duetch, GM is $41.09, and the cheapest I have found is $22.00 and change at Diesel Injection Service.


I also bought a CAT filter head and it turns out the fittings are all metric thread and I need barb fittings for a 3/8 fuel hose. They seem to be a 14 mm but not sure of that yet. I hope CAT has them when I check Monday because they are not available anywhere else I have checked.


Tom
 

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Tom, I bought a Cat filter head today, but it came without the primer pump cover, bolts and bleeder plug. Do you have those part numbers? The parts guy that sold it to me said he cannot look them up unless he has the serial number of an engine that uses that filter.
 

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The key issue is what media is used for filtering. If it is a media that Donaldson has developed then we may have something here.


The shape of our fuel filter with the water sensor fitting on the bottom plus the plastic filter plate on top that interfaces to the fuel filter head is unusual. Probably not too many companies are willing to make the capital investment to produce it, for such a low volume amount of sales. This leads me to believe it is a re-packaged Racor unit.


Keep everyone informed on your findings!Edited by: OC_DMAX
 

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Discussion Starter #6
This filter from Donaldson is a replacement for the GM filter. It was announced in their new products letter they send out and it is on the website as a Donaldson filter for the Duramax 6.6 diesel. The company makes many filters and also markets and sells filter media to other filter companies. Since CAT uses their filters as a primary fuel filter and CAT requires 2 micron filters to protect their injectors on the truck engines I would suspect this is a quality product. Stewart Stevenson also uses their products. These are some pretty heavy hitters. The military HMMV uses them also.


I will let everyone know what I find out about this filter. Smartfix provided the link to their website above.


Tom
 

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Discussion Starter #7
Pick


The filter head (base) is a 1N-3789. I did not get the plug. The parts man here spent to time to find the other parts. Here are the numbers.


SP-0537 WASHER; 9M-1974 WASHER; 6N-4414 COVER; 1P-0436 GASKET; 7B-2742 BOLT; 7B-2742 BOLT (One of the bolt numbers is wrong on my invoice because the bolts are two different dia.) I have to get the plug and two fittings so will let you know about that tomorrow.


Tom
 

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Are these in fact NOT Racor rebadged filters?

I wonder why the site doesn't put up a picture. I'd like to see it and more info about it.
 

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Probably need to ask a real specific question to Donaldson. Are these filters manufactured by Donaldson or are they labeled with the Donaldson name and manufactured by Racor?
 

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ill call tomarrow and get the price from my supplier, they deal regularly with donaldson i buy all donaldson for my trucks and equipment. They should be able to tell me all the info and if there cheap enough ill get one sent in and get pics.
 

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hello all

Spoke to the donaldson company today.. Spoke to that office
that makes this filter.. The key people where all out today and peter told me i had very good points.. HE did tell me its made By Racor for Donaldson per there spec's .. I ask him Did you copy the spec's from GM or is this from Donaldson's spec's .. He told me he get back to us today or tuesday.. He did tell us there very good points and now the cat is out of the hat

From steve
Edited by: smartfix
 

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Hello all

VERY BAD NEWS... Spoke to steve ottson .. Support team

He was Shock what we told him about the oem filter.. Guess
what Guys.. Same Filter again just Rebox and painted with there name on them.. <Can't Win this Box Game >


This is unreal i learned a lot today from this guy

From steve
 

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Smartfix


I read some where that Racor had a 10 year patent on this filter and all 6.6 filters come from Racor and are the same, just in different box with different name.



Geno
 

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Discussion Starter #14
Pick


The fittings for the filter head are not metric like I initially thought but a #6 that is made for an oring and flare tubing or hose fitting. They gave them to me so I don't have a part number. I am not sure yet how I am going to adapt this setup but I think I will go to a hose shop and have them build me fuel hoses with the hose end fittings on one end and nothing on the other end so I can go over the tube and clamp it like it is now. I might try to flare the OEM tube end and install a flare nut on it to connect to the hose. The end at the valve will be clamped on no matter what I do since the valve has a barb connection. When I finish this project I will try to post some picts.


Tom
 

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Thanks, Tom, appreciate it. Did you happen to get the numbers for the other bolt and bleeder bolt?
 

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smartfix said:
Hello all

VERY BAD NEWS... Spoke to steve ottson .. Support team

He was Shock what we told him about the oem filter.. Guess
what Guys.. Same Filter again just Rebox and painted with there name on them.. <Can't Win this Box Game >


This is unreal i learned a lot today from this guy

From steve
smartfix,

Thanks for persuing it anyway. We gotta stay on top of these things.
 

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US patents last for 20 years (used to be 17).

To be patentable, it must offer some new method or feature that's not obvious to someone skilled in the field. The physical dimensions, thread size, etc, would not be patentable unless there is a specific advantage to them and nobody had thought of it before.

I'm not disputing the claim that the design is patented, just saying that there must be something unique about it, and most likely a filter that bolts to the same place but does not contain that unique feature can certainly be made and marketed.
 

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Found this site

Guys would this be made by Racor Reason why i ask it shows a different element

http://www.adiesel.com/prodinfo.php?itemid=43554

Key word here is Microlite Element

Microlite Fuel Element with Sensor Port Fits : Chevrolet, GMC Light-Duty Trucks with 6.6L Turbo Diesel Engine Replaces : GMC 97256734; Isuzu 8-97256-734-0 O.D. : 4 1/32 (102.4) I.D. : 1 11/32 (34.1) & 1 1/2 (38.1) Length : 5 5/8 (142.9) Grommets : [1] Attached O_Ring : [2] Included

From steve
FleetEdited by: smartfix
 

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Discussion Starter #20
Pick


The plug # is 9S-4182. The invoice shows an O-RING but I don't remember seeing one on the plug. I will let you know.


To get a 3/8 hose I had to change the filter flare fittings to a #6 to #8 fitting. This screws into the housing with the #6 side and provides a hose fitting to the #8 side with a 3/8" id hose. The hose will be clamped onto the OEM tube. The part # will be provided as after I get a clarification of the invoice part #'s, probably tomorrow.


Tom
 
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