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Old 03-03-2016, 06:50 PM   #1
Tom Wesenberg
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Default Model A Radiator Filter from Caterpillar

Someone asked a year ago for the CAT number for the filter that fits the 2" top hose. I finally came across mine the other day while looking for something else. Here's a picture of the filter and the numbers on the box.
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File Type: jpg Coolant Filter.jpg (64.4 KB, 470 views)
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Old 03-03-2016, 06:54 PM   #2
J Witt
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Default Re: Model A Radiator Filter from Caterpillar

Tom,

How does the strainer fit in the upper hose? I already have a thermostat in there, but a collector of trash is always a good idea.

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Old 03-03-2016, 07:25 PM   #3
Tom Wesenberg
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Default Re: Model A Radiator Filter from Caterpillar

You can slip it into the top of the hose, so the lip of the filter is against the radiator inlet, and the brass fits inside the radiator pipe. The filter lip is large enough to keep the filter from slipping through the radiator inlet pipe.
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Old 03-03-2016, 09:26 PM   #4
Doug Linden
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Default Re: Model A Radiator Filter from Caterpillar

This filter will probably work to keep the big stuff from making it to the radiator, but a Gano filter will take care of the real small debris circulating in the cooling system. We have used them with great success.
http://ganofilters.com
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Old 03-03-2016, 10:04 PM   #5
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Default Re: Model A Radiator Filter from Caterpillar

The screen holes are smaller than they look in the picture. It will certainly keep any rust from plugging the radiator tubes.
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Old 03-03-2016, 10:34 PM   #6
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Default Re: Model A Radiator Filter from Caterpillar

Price ??
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Old 03-03-2016, 10:36 PM   #7
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Default Re: Model A Radiator Filter from Caterpillar

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Originally Posted by Tom Wesenberg View Post
The screen holes are smaller than they look in the picture. It will certainly keep any rust from plugging the radiator tubes.
Tom, how do you go about cleaning them out? Or go you have to clean them? If so, do you have to take the hose off to do it?
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Old 03-03-2016, 11:15 PM   #8
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Default Re: Model A Radiator Filter from Caterpillar

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Price ??
Six bucks
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Old 03-04-2016, 12:09 AM   #9
Tom Wesenberg
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Default Re: Model A Radiator Filter from Caterpillar

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Tom, how do you go about cleaning them out? Or go you have to clean them? If so, do you have to take the hose off to do it?
Yes, you'd have to drain a gallon of coolant, then remove the top hose.
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Old 03-04-2016, 06:23 AM   #10
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Default Re: Model A Radiator Filter from Caterpillar

I see the benefits of filtering the coolant but how do you prevent the trappings from falling backing into the head when attempting to clean the screen?

+1 for the Gano Filter - It has a lobster trap array to retain the rust particles.
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Old 03-04-2016, 07:02 AM   #11
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Default Re: Model A Radiator Filter from Caterpillar

What size Gano Filter would be best for the Model A radiator hose?
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Old 03-04-2016, 09:06 AM   #12
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Default Re: Model A Radiator Filter from Caterpillar

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I see the benefits of filtering the coolant but how do you prevent the trappings from falling backing into the head when attempting to clean the screen?

+1 for the Gano Filter - It has a lobster trap array to retain the rust particles.
My thermostat is below the strainer and will trap the junk. This isn't something that needs to be removed often for cleaning. Once the rust particles are caught from some previous owner not using antifreeze, then there should be no further rusting. If someone like to run plain water, then expect more rust to form.
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Old 03-04-2016, 02:51 PM   #13
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Default Re: Model A Radiator Filter from Caterpillar

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What size Gano Filter would be best for the Model A radiator hose?
Hey John,
As the Gano site explains, there are 3 sizes. The 'large' size would most closely match the upper A hose id.
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Old 03-04-2016, 05:00 PM   #14
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Default Re: Model A Radiator Filter from Caterpillar

My wife is walking around in circles after I cut the foot out of her pantyhose to use as a strainer.
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Old 03-04-2016, 08:47 PM   #15
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Default Re: Model A Radiator Filter from Caterpillar

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My wife is walking around in circles after I cut the foot out of her pantyhose to use as a strainer.
I tried that with a drier sock, which looked like a nylon. It must have been something else though, because it tore loose and blocked several radiator tubes. I had to borrow an inspection camera to find it and get it out of the top tank.
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Old 03-05-2016, 08:38 AM   #16
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Default Re: Model A Radiator Filter from Caterpillar

Good deal, I purchased 4 at around $4.06 each plus $8.95 shipping to CO.
Thanks for the good info...
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Old 03-09-2017, 06:11 PM   #17
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Default Re: Model A Radiator Filter from Caterpillar

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Good deal, I purchased 4 at around $4.06 each plus $8.95 shipping to CO.
Thanks for the good info...
Which one did you purchase. On the gano site they are much more.
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Old 03-09-2017, 06:13 PM   #18
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Default Re: Model A Radiator Filter from Caterpillar

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Originally Posted by Doug Linden View Post
This filter will probably work to keep the big stuff from making it to the radiator, but a Gano filter will take care of the real small debris circulating in the cooling system. We have used them with great success.
http://ganofilters.com
Doug, did you buy the large one. Do you check the screen once in a while.
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Old 03-09-2017, 08:20 PM   #19
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Default Re: Model A Radiator Filter from Caterpillar

Gano filters are nice, as you can see when they are getting full of crud, as they are made of clear plastic. With the hidden Cat filter (once installed), you have guess when to clean it out and it is a pain to clean the filters - both Gano and a Cat filter.
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Old 03-09-2017, 09:59 PM   #20
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Default Re: Model A Radiator Filter from Caterpillar

I run a Gano and like rhar it keeps the rust and you can see when it is time to clean it.
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Old 03-09-2017, 11:03 PM   #21
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Default Re: Model A Radiator Filter from Caterpillar

I got a Gano a year ago to protect a new radiator with a cleaned block and postage to here was $7. Postage now seems to be $32.

Anything more than the odd rust flake and I'd be cleaning the block.
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Old 03-10-2017, 08:15 AM   #22
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Default Re: Model A Radiator Filter from Caterpillar

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I got a Gano a year ago to protect a new radiator with a cleaned block and postage to here was $7. Postage now seems to be $32.

Anything more than the odd rust flake and I'd be cleaning the block.
Do the gano filters go inside the hose??
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Old 03-10-2017, 08:35 AM   #23
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Default Re: Model A Radiator Filter from Caterpillar

You have to cut about 2 inches out of the center of the hose. Then the filter is set in the cut area and clamped in. You can see the filter in the cut area so you know when it needs to be cleaned. If you look at the yellow tab on the photo, you see how it fits in.
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Old 03-11-2017, 07:47 AM   #24
Tom F OHIO
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Default Re: Model A Radiator Filter from Caterpillar

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You have to cut about 2 inches out of the center of the hose. Then the filter is set in the cut area and clamped in. You can see the filter in the cut area so you know when it needs to be cleaned. If you look at the yellow tab on the photo, you see how it fits in.
Thanks Brian. That clears that up for me.
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Old 06-02-2017, 09:18 PM   #25
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Default Re: Model A Radiator Filter from Caterpillar

Bringing this back to the top, as someone asked to see the filter and number.
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Old 06-02-2017, 09:30 PM   #26
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Default Re: Model A Radiator Filter from Caterpillar

I have one of those, and to see the water moving I clamped a short piece of ribbon between the two pieces and let the end drift into the filter. Check and clean regularly.

I started cleaning mine every other day of driving and went to every week of driving after it started to clear up the crud.
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Old 06-03-2017, 06:09 AM   #27
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Default Re: Model A Radiator Filter from Caterpillar

thank you Tom!

xlnt!
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