Boat part number 1051859 is a new transducer extension cable from LEI, part number 119-01. Made for Lowrance part number N2KEXT-25BL. Commonly used on
Lowrance Boat Transducer Extension Cable N2KEXT-25BL | 25 Ft LEI
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Lowrance
Accessory Guide 2010 - S3
Lowrance Boat Transducer Extension Cable N2kext-25bl