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Old Feb 17, 2003 | 09:58 AM
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steve miles's Avatar
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Inline oilcooler

I just purchased a used F250 with a 351w in it and I went to change the oil and noticed that a stock FL1-A filter won't fit due to a inline oil cooler (I think) installed in front of the oil filter. It is inline from the bottom radiator hose. Am I correct in guessing this is a aftermarket part and is not from the factory? Is it worth leaving on? There used to be a plow on the truck and I assume they used the truck for business purposes. I don't plan on regularly hauling heavy trailers or big loads.
 
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Old Feb 18, 2003 | 10:28 PM
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Thumbs up Inline oilcooler

This is a 351M forum not a 351W. That aside, yes I think you are correct in your assumption.
 
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Old Feb 19, 2003 | 10:23 AM
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Inline oilcooler

I think some 351W's had a factory oil cooler on them. Where do the hoses go?
 
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Old Feb 19, 2003 | 10:25 AM
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Inline oilcooler

The hoses are passive, inline between the return hose on the bottom of the radiator and the water pump return.
 
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Old Feb 19, 2003 | 09:28 PM
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Inline oilcooler

Factory 351w oil cooler was started around 94.
 
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Old Feb 20, 2003 | 06:14 AM
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Inline oilcooler

What motorcraft oil filter will fit. FL1-A is too long.
 
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Old Feb 20, 2003 | 06:35 AM
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Inline oilcooler

I went to motorcraft.com & did a search. If your truck is a 1994 (I just picked a random year), it lists part# FL-820S. You can use the link to verify for other years. I hope this helps.

This is a 351M forum not a 351W.
Really?
 
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