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Home » Public Forums » GMCnet » Oil Pressure Sending Unit (Correct Part Number)
Oil Pressure Sending Unit [message #264624] Tue, 21 October 2014 17:35 Go to previous message
Mike B is currently offline  Mike B   United States
Messages: 35
Registered: November 2011
Location: Port Ludlow, WA / Mount D...
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I have a 1975 Palm Beach GMC Motorhome (455 Olds Toronado) and need a replacement oil pressure sending unit. The electrical connection tab broke off on mine and I obtained what was supposed to be a correct replacement from a local supply house. However, the replacement consistently now shows my oil pressure at 10 psi, regardless of load or rpm.

My coach has a "Mac" retrofitted dash and gauges - I don't know if that makes a difference or not. My previous (accurate) sending unit is die stamped with "80" and "1349". I have tried to upload a photo of my previous (accurate) sending unit, or look at:

http://www.gmcmhphotos.com/photos/general-jimmy/p56336-oil-pressure-sending-unit.html

Thanks!

http://www.gmcmhphotos.com/photos/showfull.php?photo=56336[/img]

Mike Brasfield 1975 Palm Beach Port Ludlow, WA and/or Mount Dora, FL

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