278000123 Voltage Regulator for Sea-Doo SPI 580 1993-1996

Voltage Regulator for Sea-Doo

This voltage regulator is a replacement electrical component that controls charging output to keep the battery properly supplied on personal watercraft, referencing OEM part number 278000123.

Overview

This voltage regulator manages the charging system output on Sea-Doo personal watercraft, keeping voltage within the range the battery and electrical components need. It replaces a failed or weak regulator that causes overcharging, undercharging, or dead batteries. It suits riders restoring reliable electrical performance on their watercraft.

Built For Performance

• Regulates charging voltage to protect the battery and electrical system
• Solid-state construction for consistent output across the RPM range
• Sealed housing suited to marine moisture exposure
• Direct replacement matching OEM regulator connections
• Restores charging output when the original regulator has failed

Fits These Machines

• for Sea-Doo SPI 580 (1993-1996)

On-The-Job Use

• Replacing a failed regulator causing battery drain or overcharging
• Restoring charging output on older personal watercraft
• Electrical system troubleshooting and repair
• Seasonal maintenance and pre-ride electrical checks

Specs At A Glance

Good To Know

Q: What are the symptoms of a bad voltage regulator? A: Signs include a battery that keeps dying, dimming or flickering lights, and voltage readings outside the normal charging range. Testing the charging system with a multimeter helps confirm the regulator is the faulty part.

Q: Is this a plug-and-play replacement? A: It is designed to match the original regulator's mounting and connections for a direct swap on compatible models. Always verify the connector style and wiring match your watercraft before installing.

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