The Kubota 12V 40A alternator 16404-64010 16404-64014 for D1403 D1703 D1803 V2003 is an automotive replacement part from Kubota. It's a direct-fit or compatible replacement for the corresponding OEM part on the listed vehicle application. Key specifications noted on this listing include 40A. It is commonly in engine, drivetrain, or chassis repair and rebuild work.
