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Thumbnail Filmstrip of 56-4323-00: Replacement Onan 300-4323 Coolant Temperature Alarm Board Images
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Flight Systems part number 56-4323-00 Coolant Temperature Alarm board replaces Onan part number 300-4323, and is used on Onan model 20 DKAE, 25 DKAF and 10 DKAH generator sets. The board is installed directly behind the coolant temperature gauge on the control panel and monitors your coolant temperature. Relays on the board provide signals to the engine control board (300-4296) for low coolant temperature and high coolant temperature pre-alarm. The Flight Systems 56-4323-00 replacement incorporates additional protection against voltage surges. That protection extends the life of your board, and is not found on the original Onan part. Our replacement is manufactured in the USA and comes with a two-year warranty.
Take advantage of our bundling promotion! Did you know the same generators that use the 300-4323 also use the 300-4296 control board and 300-2880 voltage regulator? Add either the 300-4296 or the 300-2880 to your order and receive an additional $30 off the price of the 300-4323!
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Return Policy: Unwanted items may be returned within 30 days of the original purchase date. Refund/credit issued will be subject to a 25% per item restocking/re-test fee as long as unit is in new, undamaged condition. Shipping charges are not refundable.