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Old 07-24-2021, 12:18 PM   #1
Join Date: May 2018
Posts: 51
Onan 5.5 HGJAB-1038C Filter Leaking/Bypass part

We have an Onan Marquis 5500 (5.5 HGJAB-1038C) and the second fuel filter going to the carburetor is leaking. After research, I see that filter was discontinued since it wasnít really needed. After research, I found A029S253 replacement part on Amazon. Is this the correct one for my generator?

We are leaving Wednesday to go out of town and need the generator as the chassis a/c doesnít work. I order the one mentioned above and it will be here Monday. If it isnít the right one, I want to try to order it now so I can hopefully get the correct one in time. Thanks!
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Old 07-24-2021, 12:38 PM   #2
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Winnebago Owners Club
Workhorse Chassis Owner
Join Date: Aug 2007
Location: Sonoma County, CA
Posts: 6,104
These are the part numbers I used:

Adaptor: A026E259 replaces top filter
Filter: 149-2341-01
Wayne & Roberta and Maggie the Miracle Dog 08 Winnebago Destination 39W Gas UFO Workhorse Chassis......It's really weird being the same age as old people.
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leak, onan

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