Metzger 52 46 863 Alternator Voltage Regulator OEM Replacement

The Metzger 52 46 863 is a direct-fit OEM-replacement alternator voltage regulator designed to restore proper charging system function. The voltage regulator controls the output of the alternator, ensuring the battery receives the correct charge voltage and preventing electrical system damage from over- or under-charging.

Key Features:

• Direct OEM replacement for the original charging system voltage regulator
• Engineered to meet original equipment specifications for reliable, consistent alternator output
• Compact, lightweight design for straightforward installation
• 24-month warranty for added peace of mind

Cross-Reference Part Numbers:

• Saab OEM: 5246863 / 52-46-863 / 52.46.863
• Bosch: 1-987-237-077 / 1987237077
• Supersedes: 4409983, 4466918, 4737151

This voltage regulator is a critical component of your vehicle's charging system. Replacing a faulty regulator can resolve symptoms such as battery warning lights, overcharging, undercharging, or premature battery failure.