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09-04-2013, 08:20 AM
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#1
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Senior Member
Join Date: Oct 2012
Posts: 1,106
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98 Dolphin Generac Fuel Filter Problem
I have a 98 Dolphin with a Generac Q55. I want to change the fuel filter but the only one listed won't fit.
The 87769 inlet is too small and the thread end is too large. The thread end turns about a full turn then stops. I'm afraid I'll strip it by forcing it any further. I can't find any other options or part numbers.
See pics. The 87769 is on the left. I cannot see any markings on the old one.
Help!
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09-04-2013, 12:07 PM
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#2
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Senior Member
National RV Owners Club Workhorse Chassis Owner
Join Date: Aug 2010
Location: Portland, Oregon
Posts: 872
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I believe I bought my filter at O'reilly Auto.. Try taking the old one into a parts store to match it up.. I fully agree on not forcing it in, no telling what you could break.
__________________
2004 National Sea Breeze LX8375, Towing a 2012 Liberty.
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09-05-2013, 01:21 PM
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#3
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Senior Member
Join Date: Oct 2012
Posts: 1,106
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Any idea of the part number? The O'Reilly site won't let me look through them without entering a vehicle.
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09-05-2013, 07:03 PM
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#4
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Senior Member
National RV Owners Club Workhorse Chassis Owner
Join Date: Aug 2010
Location: Portland, Oregon
Posts: 872
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Its been two years, sorry I do not have the number.. Just take it to a parts store..
__________________
2004 National Sea Breeze LX8375, Towing a 2012 Liberty.
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09-05-2013, 11:19 PM
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#5
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Senior Member
National RV Owners Club Ford Super Duty Owner
Join Date: Sep 2010
Location: Horse Town USA, CA.
Posts: 3,781
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I bought the PM kit for mine here Generac Preventative Maintenance Kit Generac RV (530) 0H0839 - Norwall PowerSystems comes with both air filters, oil filter, two spark plugs, and fuel filter P/N 87769 fit mine fine. The threaded end about 1/4" and the hose end is about the same size.
Chuck
__________________
1999 35 ft. Dolphin 5350, F53, Banks System, 5 Stars Tune, Air Lift Air Bags, Koni Shocks, Blue OX TruCenter, TigerTrak track bars F&R, Roadmaster 1-3/4" rear auxiliary sway bar, 2004 F450 Lariat Pickup 6.0 Diesel Crew Cab DRW, 4X4, GVWR 15,000, Front GAWR 6,000, Rear GAWR 11,000, GCWR 26,000,1994 36ft Avion 5er, GVWR 13,700, 2,740 Pin Weight.
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09-06-2013, 10:31 AM
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#6
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Member
Join Date: Jun 2006
Posts: 37
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What you need is a Wix 33046 filter.
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09-06-2013, 04:21 PM
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#7
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Senior Member
National RV Owners Club Ford Super Duty Owner
Join Date: Sep 2010
Location: Horse Town USA, CA.
Posts: 3,781
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Quote:
Originally Posted by Capt. Flipper
What you need is a Wix 33046 filter.
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Yes, that's the correct one. I use Wix filters all the time never thought about checking there.
Part Details
Chuck
__________________
1999 35 ft. Dolphin 5350, F53, Banks System, 5 Stars Tune, Air Lift Air Bags, Koni Shocks, Blue OX TruCenter, TigerTrak track bars F&R, Roadmaster 1-3/4" rear auxiliary sway bar, 2004 F450 Lariat Pickup 6.0 Diesel Crew Cab DRW, 4X4, GVWR 15,000, Front GAWR 6,000, Rear GAWR 11,000, GCWR 26,000,1994 36ft Avion 5er, GVWR 13,700, 2,740 Pin Weight.
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09-16-2013, 09:45 AM
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#8
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Senior Member
Join Date: Oct 2012
Posts: 1,106
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I bought the 33046 and that is not it either. I bought a NAPA 3046.
The inlet side is correct but the outlet won't thread all the way-the same problem I had with the 87769.
Should I force it? I am worried about stripping the thread. Do you think this is threaded far enough?
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09-16-2013, 01:45 PM
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#9
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Senior Member
National RV Owners Club Ford Super Duty Owner
Join Date: Sep 2010
Location: Horse Town USA, CA.
Posts: 3,781
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Is it just hand tight at that point or did you already wrench tight it? I looked at mine and it is threaded in about the same as yours. I have a spare filter, has no P/N on it. If it is already wrench tight I would try it see it it leaks.
Chuck
__________________
1999 35 ft. Dolphin 5350, F53, Banks System, 5 Stars Tune, Air Lift Air Bags, Koni Shocks, Blue OX TruCenter, TigerTrak track bars F&R, Roadmaster 1-3/4" rear auxiliary sway bar, 2004 F450 Lariat Pickup 6.0 Diesel Crew Cab DRW, 4X4, GVWR 15,000, Front GAWR 6,000, Rear GAWR 11,000, GCWR 26,000,1994 36ft Avion 5er, GVWR 13,700, 2,740 Pin Weight.
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09-16-2013, 02:35 PM
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#10
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Member
Join Date: Jun 2006
Posts: 37
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It is a taper thread. If the start diameter and thread pitch match up, go for it. Wrench tighten snug. Doesn't require much to seal as there is no pressure at this point.... it is a suction line.
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09-17-2013, 04:26 AM
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#11
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Senior Member
Join Date: Oct 2012
Posts: 1,106
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That is hand tight.
I'll tighten with a wrench and try it.
The old one screws in easily and all the way.
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09-17-2013, 10:09 PM
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#12
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Senior Member
National RV Owners Club Ford Super Duty Owner
Join Date: Sep 2010
Location: Horse Town USA, CA.
Posts: 3,781
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Mine has a 3/16" to 1/4" gap as Capt. Flipper said doesn't have to be super tight just snug as long as it doesn't leak.
Chuck
__________________
1999 35 ft. Dolphin 5350, F53, Banks System, 5 Stars Tune, Air Lift Air Bags, Koni Shocks, Blue OX TruCenter, TigerTrak track bars F&R, Roadmaster 1-3/4" rear auxiliary sway bar, 2004 F450 Lariat Pickup 6.0 Diesel Crew Cab DRW, 4X4, GVWR 15,000, Front GAWR 6,000, Rear GAWR 11,000, GCWR 26,000,1994 36ft Avion 5er, GVWR 13,700, 2,740 Pin Weight.
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09-18-2013, 02:53 PM
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#13
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Senior Member
Workhorse Chassis Owner
Join Date: Aug 2001
Location: Arcadia, CA
Posts: 210
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I don't see why you are changing fuel filters. The pipe that goes into the tank only goes about half way down and will never plug up. If it makes you feel better, just blow the filter out backwards and reinstall it. The filter for my Onan costs about 20 clams and I will never buy one. I looked at it after 100 hours and there was nothing in it. Onan takes a special filter and you cannot buy one in a parts store.
__________________
Lee and Joan Haeberlein
08 Dolphin on WorkHorse W24
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09-26-2013, 07:12 PM
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#14
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Senior Member
Join Date: Oct 2012
Posts: 1,106
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That worked!
I still have a gap but it doesn't leak and runs fine.
Thanks for all the help.
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