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Old 10-08-2014, 02:35 PM   #1
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Serial number

Need help finding serial number on a 2004 Windsor ISL 400. Pics would be nice. Don't mind crawling around underneath. Thanks David

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Old 10-08-2014, 02:43 PM   #2
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You should be able to find it on the wall next to the drivers seat.

Gary & Judi Fleeman
Izzy & Vanna, the dogs who own us.
2012 Monaco Vesta 35
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Old 10-08-2014, 02:53 PM   #3
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Sorry , forgot to say engine serial number. Thanks
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Old 10-08-2014, 03:01 PM   #4
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Originally Posted by 55stude View Post
Sorry , forgot to say engine serial number. Thanks
What manufacturer, engine size? [Edit] ISL 400 is a Cummins.

If it's a Cummins should be on a tag riveted to the timing gear housing, usually near the fuel injection pump.
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Old 10-08-2014, 04:25 PM   #5
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Call Cummins with the Vin # and they will provide the engine serial #
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Old 10-08-2014, 05:11 PM   #6
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Call Monaco and request your data & build sheet. This will have the Manufacturer Model and SN along with all the components that were installed on your rig. This comes in handy as thing age.

I was able to replace the blower motor on my front AC using the model & SN.
Jim J
2002 Monaco Windsor 38 PKD
2005 Jeep Grand Cherokee w/5.7 Hemi
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Old 10-09-2014, 07:15 AM   #7
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David, I think you will find the engine data plate on a tagged attached to the cam chain cover plate on the water pump end of the engine. On my engine you have to be looking down from the top of the engine to see it. George, 2001 Diplomat

George, 2001 40' Diplomat PBD
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