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onan marquis 5500 generator
Another member has informed me of what oil to use (Mobil 1 10-40), the appropriate oil filter wrench (0420-0577) and the oil filter (Onan 122-0836, NAPA 7398, WIX 57398).
What is the fram oil filter cross reference for onan oil filter 1220893
Part Number is 122-0810 per owners handbook.
7.5 MDJE-3CR2268/AD Onan diesel generator
Depends on what you have. Could be one quart to fifty gallons.
The FRAM PH3614 is the oil fiter that cross references with the Onan 122-088 that was installed in the unit. It is half as long as the Onan 122-0800 that is recommended by Onan and actually removed from the engine for replacement. The way the engine cowling is bullt, that means that the oil filter cannot be screwed in or removed because it wsill set too deep in the cavity to get fingers or an oil filter wrench into it.
You do not have to use a Denso oil filter, you can use any brand filter you want. Go to any auto parts store and they will cross-refernce your Onan filter to another brand. Purolator, Wix, & Bosch make excellent filters. I looked this filter up on the Purolator cross-reference chart and came up with no results. Is it possible you're using the wrong numbers.
Depends on what you have. One quart to four.
Fram PH3614
PH 3614
I did some checking briefly. Did not find a Fram filter for this application.