New 2018 OEM Yamaha 40 HP 4 Stroke ECU Engine Control Unit Assembly new from scratch and dent unit.
PN 6BG-8591A-04-00,6BG-8591A-05-00,6BG-8591A-03-00,6BG-8591A-02-00
Fits Yamaha 40 HP 4 Stroke Models May Fit Others As Well Please Contact Us If You Are Unsure Of Fitment