How often do I need to change my fuel filter - Diesel Forum - TheDieselStop.com
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6.4L Power Stroke Engine and Drivetrain Discussion of the 6.4L Power Stroke diesel engine and drivetrain in the 2008-Up Super Duty trucks. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.4L Power Stroke engine.

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Old 10-31-2010, 08:27 PM   #1 (permalink)
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How often do I need to change my fuel filter

I just got a shocker at the cost of the filter in the water/fuel seperator. How often do I need to change it. At roughly $100 I hope I don't have to change it to often.

While I am at it I was also shocked that the air filter is about $100 as well. At that price I think I'll just get an aftermarket intake system. 3 filter changes would cover the cost of nearly any aftermarket system.
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Old 10-31-2010, 08:46 PM   #2 (permalink)
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It's in the manual...10k miles for fuel filters. The air filter when the indicator says it's time.
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Old 10-31-2010, 09:02 PM   #3 (permalink)
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one can get both filters online motocraft brand for about 50 bucks and like the oil change are really easy to do. I do it at 10k and the oil 5k, not that I tow much but the severe duty schedule seems to be the best for the motor.
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Old 10-31-2010, 11:02 PM   #4 (permalink)
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I got sticker shock at the dealership myself. Air filters are priced from $18 to $34 at O'Reily. There are two fuel filters that need to be changed.
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Old 11-01-2010, 12:38 PM   #5 (permalink)
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one can get both filters online motocraft brand for about 50 bucks and like the oil change are really easy to do. I do it at 10k and the oil 5k, not that I tow much but the severe duty schedule seems to be the best for the motor.
Where do you usually order yours from? Do you have a specific place online that your fond of?
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Old 11-01-2010, 01:19 PM   #6 (permalink)
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The revised fuel filters, the FD4617 (not the old FD4609) are costing me $75 at my dealer, and $24 for the oil filters. I could probably save a couple dollars if I shopped online, but the dealer markup is far better than most seem to be and I'd rather buy them from my dealer so they know I take very good care of my truck and are friendly if I have any warranty issues down the road.
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Old 11-01-2010, 02:32 PM   #7 (permalink)
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Where do you usually order yours from? Do you have a specific place online that your fond of?
Home - Diesel Filters,Additives,brake rotors, and brake pads for Chevy, Dodge and Ford Diesel Trucks has good pricing... $53 for the fuel filters and 53 for the air...Wally World has the oil filter for $18.00.
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Old 11-01-2010, 11:26 PM   #8 (permalink)
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yep WW has the filter for 18 bucks, that is in southern NV anyway. 14 for the motocraft oil per 5 quart bottle 15w 40.
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Old 11-02-2010, 10:32 PM   #9 (permalink)
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It's in the manual...10k miles for fuel filters. The air filter when the indicator says it's time.
It's not 10k miles for the fuel filters. You ought to read the manual again.
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Old 11-02-2010, 10:49 PM   #10 (permalink)
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Ive always went every 10,000 on fuel filters and 5,000 for oil changes.
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Old 11-02-2010, 11:49 PM   #11 (permalink)
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It's not 10k miles for the fuel filters. You ought to read the manual again.
Check page 63 of the Diesel Supplement Manual (2008):

"Special Operating Conditions: 10,000 miles (16,000 km) or 400 hours of engine operation"

Pages 88-90 define 'Special Operating Conditions", which it's probably a good idea to follow (and for me necessary since it regularly gets above 100 here).
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Old 11-03-2010, 07:34 AM   #12 (permalink)
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It has become an accepted thing to use the severe schedule for PSD maintenance. So go with the 10k and 5k. Make sure if you get the air filters that you get the Donaldson filter and not a normal paper pleated filter. While the Donaldson is considerably more expensive it is many orders of magnitude better then non-oem filters. It is probably the best filter on the market...
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Old 11-03-2010, 10:13 AM   #13 (permalink)
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Originally Posted by ChargersFaninCO View Post
Home - Diesel Filters,Additives,brake rotors, and brake pads for Chevy, Dodge and Ford Diesel Trucks has good pricing... $53 for the fuel filters and 53 for the air...Wally World has the oil filter for $18.00.
Awesome thanks!!!
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