Generator technicians and mechanics, this RSK5001 rotating rectifier is exactly what you need for HC4 and HC5 series alternators. It's a 40A diode kit that replaces part numbers 42620-HC4-670 and 42620-HC4-000. Compatible with Honda TRX300 FourTrax 300 2X4 and 4X4 models from 1988-2000. This is just the diode assembly without the base plate, so make sure that's what you need before ordering. The quality construction ensures reliable performance and long service life. Perfect for repair shops, equipment maintenance, or DIY enthusiasts working on generator systems. Always compare the pictures to your existing unit to ensure proper fitment before installation. If you're dealing with charging issues or rectifier failure on compatible equipment, this replacement part will get your system back up and running properly. One of those specific but essential components that generator owners eventually need to replace.
Free 30-day returns 
Free 30-day returns
