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oil filter for 525 efi

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Old 07-12-2005, 08:54 PM
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Default oil filter for 525 efi

What is the filter part numbers for the 525 efi? Fram, mobile one, ac ,etc, etc
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Old 07-13-2005, 05:51 PM
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Default Re: oil filter for 525 efi

I can't find a local dealer that has the mercury filter. I called mercury racing and they couldn't help. I need the part number for a after market oil filter, mobile 1, amsoil, fram, napa, etc etc Help!!
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Old 07-13-2005, 06:16 PM
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Arrow Re: oil filter for 525 efi

Oil Filter f/ most Mercruisers
FYI:The thread type on the filter is 13/16-16.
Fram: PH5, HP4, DG5, PH13 (no anti drainback) Pureolator: L34631
Purolator Pure One: PL34631
AC: PF1218, PF932
Motorcraft: FL-12A
NAPA: 1060, 1060gold
Wix: 51060
Wix Racing: 51060R, 51061R R= Racing
K&N: HP3002
Baldwin: B1428 (Top Rated)
Amsoil: SDF-24
Hastings: LF279
Fleetguard: LF3679
Mercruiser: 35-802885Q
Mobil 1: M1-302 or M1-111
Kendall: K31
Penzoil: PZ45
Quaker State: QS5
Shell: S63, SH38
Texaco: T38, T38B
Warner: PH1218
STP: S01218
Valvoline: V056
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Old 07-13-2005, 10:13 PM
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Default Re: oil filter for 525 efi

the mercruiser number that is on it now is 35-16595q , When I have checked with the local baja dealer ship they have said the 525 efi takes a special filter and will have to be ordered. I called back to eliminator and they have said it will have to be shipped. I just thought it was a regular big block filter. Is it different because it is mounted upside down?
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Old 07-14-2005, 07:56 PM
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Arrow Re: oil filter for 525 efi

Originally Posted by gsmith9898
the mercruiser number that is on it now is 35-16595q , When I have checked with the local baja dealer ship they have said the 525 efi takes a special filter and will have to be ordered. I called back to eliminator and they have said it will have to be shipped. I just thought it was a regular big block filter. Is it different because it is mounted upside down?
I think it's the same as a Fram HP6.
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Old 07-14-2005, 09:32 PM
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Default Re: oil filter for 525 efi

nobody could give me a sure answerso I called eliminator and said ship me 6 of them.
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Old 08-17-2006, 08:06 AM
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Default Re: oil filter for 525 efi

On my old 496 Ho ...i put AC/Delco PF25-C...... on my new 502 / 525HP ...do you think it `s going to work on that motor ??

cause right now i have this part number on the filter
35-802885T ......and at the dealer ...he have a replacement number for merc and it`s smaller of 1.5 inches tall .... i need a taller filter possible ..... i hope my question is clear
thank`s to take time to respond me
Attached Thumbnails oil filter for 525 efi-p1120325-1-.jpg  
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Old 08-17-2006, 09:34 AM
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Default Re: oil filter for 525 efi

^^^^Hi
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Old 08-17-2006, 11:05 AM
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Default Re: oil filter for 525 efi

For the upside down filters they need to have the anti-syphon valves in them to keep the oil from draining out while sitting static. Otherwise you'll have dry starts. Basically high performnace types like the Fram "HP" series has this.
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Old 08-18-2006, 03:22 PM
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Default Re: oil filter for 525 efi

This is what I use on my 525efi along with Mobil 1 15W-50
Mobil 1: M1-302
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