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Ballast Rochester Level Sender guage

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I have a  2014 VTX where the starboard ballast tank level sender has gone bad and no longer registers on the MLS. I switched the port side gauge with the starboard gauge and the issue followed the bad sender. 

The part is a Rochester 9800 series 4.5" gauge with Rochester part number 045 2713. I found online the same 4.5" gauge, but it has a slightly different part number... 045 1915. The 045 represents the 4.5", but I'm not sure what the last 4 numbers mean. 

The 045 1915 is $50. I called a Malibu dealer and they quoted me $150, but they couldn't confirm the Rochester part number. 

Does anyone know whether the $50 part will work on a Malibu? 



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Pretty sure all of those reed switches are standard 240-30 ohm resistance.  As long as resistance matches, It should work fine.   Can also search Moeller or Wema brands which were also OEM for different build years.   You may have to cut/re-use your old connector plug. 

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Thanks @jtrezon

I called Rochester gauges and the customer service rep was extremely helpful. She explained that the last four digits are not included in the part number. The part number is 9800 045. The last four digits on the gauge is the date code for when it was manufactured. WWYY -> the first two are the week and the last two are the year it was made. So my sender was made on the 27th week of 2013. The one I found was made on the 19th week of 2015.  So I am golden! :-)

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