High quality JAS 24V alternator voltage regulator engineered to restore reliable charging performance in vehicles using Hitachi style alternators. This robust regulator maintains consistent 24 volt output to protect the battery and onboard electronics, reduce alternator wear and prevent overcharging. Precision internal circuitry delivers stable voltage control across a wide temperature range for dependable starts and extended component life.

• Voltage rating 24V for heavy duty and commercial systems
• Designed as a direct replacement for Hitachi style alternator regulators
• OEM quality construction for reliable long term operation
• Compact form factor for straightforward installation into existing alternator housings
• Durable materials and corrosion resistant contacts for improved service life
• Restores correct charging performance and reduces electrical faults

Suitable for applications using Hitachi alternators but please use the Parts Checker to confirm compatibility with your vehicle or alternator model before purchase. Professional installation is recommended to ensure correct wiring and secure mounting. If you need assistance selecting the right regulator or verifying fitment our parts specialists can help identify the correct replacement for your charging system.