Voltage Regulator Rectifier For 2007-2018 Honda Rancher 420 TRX420 31600-HP5-601

Voltage Regulator Rectifier for Honda Rancher 420 TRX420

This voltage regulator rectifier replaces OEM part 31600-HP5-601 and keeps the charging system on your Honda Rancher 420 TRX420 stable and reliable.

Overview

This voltage regulator rectifier is a direct-fit replacement for the factory unit on Honda Rancher 420 TRX420 models, converting AC output from the stator into steady DC voltage. It protects the battery and lighting circuit from overcharging and keeps voltage consistent at idle and at speed. An ideal service part for riders maintaining or restoring their Rancher 420.

Built For Performance

• Regulates stator output to prevent battery overcharge
• Solid-state construction for consistent voltage control
• Matches OEM connector and mounting layout
• Direct cross-reference to part 31600-HP5-601
• Sealed housing resists moisture and trail debris
• Restores proper charging on a weak or failed circuit

Fits These Machines

• for Honda Rancher 420 TRX420 (2007-2018)

On-The-Job Use

• Trail and utility riding where steady charging matters
• Farm and ranch work with lights and accessories running
• Restoring a machine with a dead or no-charge battery
• Routine electrical maintenance and troubleshooting

Specs At A Glance

Good To Know

Q: How do I know if my regulator rectifier has failed? A: Common signs include a battery that will not hold a charge, dim or flickering lights, and voltage readings outside the normal range at the battery terminals.

Q: Does this unit need any wiring changes to install? A: It is built to match the factory connector and mount points, so installation is typically plug-and-play on compatible Rancher 420 models.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.