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10-24-2019, 04:16 PM
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#1
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Senior Member
Freightliner Owners Club
Join Date: Sep 2000
Posts: 539
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Fuel Filters
Not a new subject, and I thought I knew exactly what fuel filter was specified for my '04 Caterpillar 3126E engine in a Freightliner chassis. The coach was delivered new directly from Winnebago with an Alliance 32FRT03 fuel filter, and I have been using that, along with a CAT 1R-1807 oil filter purchased from the local Freightliner (now Velocity Truck Center) service center since new. Early on (Oct 2003) I was assured that the following filters offered 02 micron filtration: CAT Fuel Filter 198-6378, Alliance 32FRT03, and Fleetguard FF5319, however I always used the Alliance filter - until recently it was more convenient to purchase the oil & fuel filters from CAT.
Just to make sure, I asked the counter man to ascertain to me that the 198-6378 filter was a 2 micron filter. After spending some time on the CAT web site, he stated the filter was rated at 10 microns. Back to Freightliner and purchased the Alliance filter. Opinions anyone?
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__________________
RedT, US Air Force Retired
2004 Itasca Meridian, 2023 Ford Maverick Hybrid
M&G Brakes System, VMSpc, Pressure Pro TPMS
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10-25-2019, 12:20 PM
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#2
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Senior Member
Join Date: May 2013
Location: Port Charlotte, FL
Posts: 477
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NAPA 3783 is a 2 micron filter that is the cross references if that is more convenient. NAPA must be proud of the filter as the last one I bought was $50.
Jeff
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10-25-2019, 08:43 PM
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#3
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Senior Member
Join Date: Jan 2005
Posts: 1,443
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1986378 is the filter portion of a water filter separator. So yes it is a 10micron that is why you need a 2 micron secondary fuel filter. None of CATERPILLAR water separators are less than 10 micron unless you are talking about some of the Perkins application. I'm not sure what chassis manufactures offer. But this is how some people mess up and get the wrong filters. Safe Travels
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10-25-2019, 09:30 PM
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#4
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Senior Member
Join Date: Dec 2009
Location: Out there, somewhere
Posts: 9,900
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Quote:
Originally Posted by RedT
Not a new subject, and I thought I knew exactly what fuel filter was specified for my '04 Caterpillar 3126E engine in a Freightliner chassis. The coach was delivered new directly from Winnebago with an Alliance 32FRT03 fuel filter, and I have been using that, along with a CAT 1R-1807 oil filter purchased from the local Freightliner (now Velocity Truck Center) service center since new. Early on (Oct 2003) I was assured that the following filters offered 02 micron filtration: CAT Fuel Filter 198-6378, Alliance 32FRT03, and Fleetguard FF5319, however I always used the Alliance filter - until recently it was more convenient to purchase the oil & fuel filters from CAT.
Just to make sure, I asked the counter man to ascertain to me that the 198-6378 filter was a 2 micron filter. After spending some time on the CAT web site, he stated the filter was rated at 10 microns. Back to Freightliner and purchased the Alliance filter. Opinions anyone?
Modify message
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Well Sir,
First and foremost, while I don't want to seem to make you feel like you don't know what you have but, are you DEAD SURE you have a 3136E in your "2004" Meridian? The main reason I ask is, our coach is an '04 Itasca Horizon, 36GD with the "C-7", 330HP CAT. The chassis production date is Oct of '03 and coach build date is Nov of '03 and date first sold and operated is '01 of '04.
Now, I know there was some overflow and cross building of 3126 chassis's and C-7 chassis's for very close production line Winnies and Itascas but, I just thought I'd ask to make sure that YOU'RE SURE that you have a 3126 and not a C-7.
Scott
__________________
2004 ITASCA HORIZON 36GD, 2011 GMC Sierra 1500 4x4 Toad '20 Honda NC750X DCT
Retired-29.5 yrs, SDFD, Ham - KI6OND
Me, Karla and the Heidi character, (mini Schnauzer)!
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10-26-2019, 05:18 AM
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#5
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Senior Member
Join Date: May 2013
Location: Port Charlotte, FL
Posts: 477
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Quote:
Originally Posted by Cat
1986378 is the filter portion of a water filter separator. So yes it is a 10micron that is why you need a 2 micron secondary fuel filter. None of CATERPILLAR water separators are less than 10 micron unless you are talking about some of the Perkins application. I'm not sure what chassis manufactures offer. But this is how some people mess up and get the wrong filters. Safe Travels
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So readers are clear, the OP, mine, Scott's and many others came from Freightliner with only one fuel filter installed. Because Caterpillar does not make a 2 micron fuel/water separator filter an Alliance filter or NAPA or some other brand has to be used. We can not use Caterpillar fuel filters on theses single filter configurations.
Jeff
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10-26-2019, 06:20 AM
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#6
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Senior Member
Freightliner Owners Club
Join Date: Sep 2000
Posts: 539
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Quote:
Originally Posted by FIRE UP
Well Sir,
First and foremost, while I don't want to seem to make you feel like you don't know what you have but, are you DEAD SURE you have a 3136E in your "2004" Meridian?
Scott
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Well Sir, when delivered 129K miles ago in October 2003, the installed engine was a Caterpillar 3126E. I seriously doubt it has changed, since I have personally driven those 129,000 miles. (not a 3136E)
__________________
RedT, US Air Force Retired
2004 Itasca Meridian, 2023 Ford Maverick Hybrid
M&G Brakes System, VMSpc, Pressure Pro TPMS
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10-26-2019, 04:46 PM
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#7
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Senior Member
Join Date: Jan 2005
Posts: 1,443
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Quote:
Originally Posted by DJJ
So readers are clear, the OP, mine, Scott's and many others came from Freightliner with only one fuel filter installed. Because Caterpillar does not make a 2 micron fuel/water separator filter an Alliance filter or NAPA or some other brand has to be used. We can not use Caterpillar fuel filters on theses single filter configurations.
Jeff
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Thank you for the additional information. But this is why it is so easy to get the wrong filter. Because you can get Alliance or Napa or Cat filters that fit but they are the wrong filtration. Add to the fact that some Freightliner and others chassis have two filters a primary water separator and a secondary and you have recipe for failure. Because in the parts people have no clue how the chassis was set up. You could end up with 2- 2 micron filters and that creates to much suction restriction or 2 10 micron filers and that won't protect your injectors so Be careful when getting filters. Safe travels
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10-26-2019, 11:42 PM
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#8
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Senior Member
Join Date: Dec 2009
Location: Out there, somewhere
Posts: 9,900
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Quote:
Originally Posted by RedT
Well Sir, when delivered 129K miles ago in October 2003, the installed engine was a Caterpillar 3126E. I seriously doubt it has changed, since I have personally driven those 129,000 miles. (not a 3136E)
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Ahhhh,
“When delivered in Oct of ‘03.....”
That’s the answer here Sir. If your coach was DELIVERED to you in Oct, that means the chassis was built way prior to that date which means, your chassis was among the last few Freightliners with the 3126 (sorry about the “36”, fat finger error). Thanks for the answer.
Scott
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10-27-2019, 01:58 PM
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#9
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Senior Member
Tiffin Owners Club
Join Date: Aug 2016
Location: Bastrop Texas
Posts: 1,343
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What is wrong with using the engine serial number to order the part. Get the Cat number for their filter and if you want something else get the number cross reference.
__________________
2000 Allegro Bus 35R 3126 Cat 300 Allison 3060MD 6 speed
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10-27-2019, 02:35 PM
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#10
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Senior Member
Join Date: Jan 2005
Posts: 1,443
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Part of the reason you can't just use the engine serial number because of what the chassis manufacturers installed. Cat serial number won't reflect that. Also the engine serial is part of how the engine was shipped. The other part you need is the engine arrangement number. If you have those two serial number and arrangement then you know how the engine left the Caterpillar factory- but not is on the chassis. Safe Travels
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10-28-2019, 08:54 PM
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#11
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Senior Member
Tiffin Owners Club
Join Date: Aug 2016
Location: Bastrop Texas
Posts: 1,343
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Quote:
Originally Posted by Cat
Part of the reason you can't just use the engine serial number because of what the chassis manufacturers installed. Cat serial number won't reflect that. Also the engine serial is part of how the engine was shipped. The other part you need is the engine arrangement number. If you have those two serial number and arrangement then you know how the engine left the Caterpillar factory- but not is on the chassis. Safe Travels
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I was not aware that the chassis people would be changing the fuel filters?
__________________
2000 Allegro Bus 35R 3126 Cat 300 Allison 3060MD 6 speed
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10-28-2019, 10:00 PM
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#12
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Senior Member
Join Date: Jan 2005
Posts: 1,443
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Quote:
Originally Posted by Rkesselus
I was not aware that the chassis people would be changing the fuel filters?
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Haha. Funny No chassis people probably won't change filters. But the chassis manufacturers are the ones that order the engines. They- the chassis manufacturers-- also order how and what those engines will be equipped with. From alternators to fan drives and what filters they want on the engine when they leave the engine manufacturers. That's what the engine serial number and arrangement number tell you-- how it left the engine manufacturer. And since most will fit part suppliers have no way to break down Caterpillar serial and arrangement numbers it is a guess for them. The Vin will tell them more if they can break those down. Most people go in with what they took off and thats ok as long as nobody put the wrong ones on before. Just be aware and get the right one and you get all of them.High pressure fuel injectors on any diesel engine will not last long with the wrong filters. Safe Travels
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11-02-2019, 05:31 AM
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#13
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Senior Member
Join Date: Feb 2015
Posts: 719
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Quote:
Originally Posted by Cat
Part of the reason you can't just use the engine serial number because of what the chassis manufacturers installed. Cat serial number won't reflect that. Also the engine serial is part of how the engine was shipped. The other part you need is the engine arrangement number. If you have those two serial number and arrangement then you know how the engine left the Caterpillar factory- but not is on the chassis. Safe Travels
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I have a 3126E in my 2001, with two filters. I wonder if the secondary filter (not the water separator) is a 2 micron this is the NAPA and Cat numbers NAPA 3626 (CAT 1R-0751
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Frank, Columbus, Ohio
2001 Itasca Horizon Cat 3126B 330hp, 2018 Jeep GC Limited, EPS harness or 24' Enclosed Car Hauler
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11-02-2019, 09:06 AM
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#14
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Senior Member
Join Date: Jan 2005
Posts: 1,443
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Quote:
Originally Posted by ftodaro
I have a 3126E in my 2001, with two filters. I wonder if the secondary filter (not the water separator) is a 2 micron this is the NAPA and Cat numbers NAPA 3626 (CAT 1R-0751
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The 1R0751 is a 2 micron filter. I did double check it. Safe Travels
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