Remy 23791 Alternator

Remanufactured Alternator for Ford Focus

The Remy Premium Remanufactured alternator, part number 23791, is a 12-volt charging system replacement built for 2005-2007 Ford Focus models with California emissions. It delivers 130 amps and includes an internal voltage regulator, internal fan, and pulley for a direct-fit service replacement.

Remy Premium Remanufactured focuses on OE-style electrical components rebuilt to meet application-specific requirements. For Ford Focus charging system service, this alternator provides the correct clockwise rotation and OE manufacturer alignment for Ford applications.

Key Features

• Remy Premium Remanufactured alternator, part number 23791
• 130 amp output for 12-volt charging systems
• Internal voltage regulator for integrated control
• Internal fan design
• Pulley included
• Clockwise rotation
• OE manufacturer: Ford
• Compatible With 2005-2007 Ford Focus, California Emissions

Detailed Description

This Remy alternator is built for Ford Focus charging system replacement where the original unit requires a 130 amp, 12V remanufactured alternator with internal regulation. Part number 23791 matches the listed Ford Focus application and supports vehicles equipped with California emissions. If you are searching for a remanufactured alternator for 2005 Ford Focus, 2006 Ford Focus, or 2007 Ford Focus California emissions models, this unit is the specified fitment.

This part cross-references Ford OE numbers 5S4T-10300-CA and 5S4T-10300-CB for the same application.

What It Helps Resolve

• Battery warning light caused by low charging output
• Dim lights or electrical load issues at idle
• Charging system failure from a worn alternator
• Voltage irregularities from a failing internal regulator
• Accessory performance problems tied to insufficient alternator output

Installation Notes and Tips

Verify the vehicle’s year, Ford Focus trim, and California emissions configuration before installation. Confirm the alternator’s clockwise rotation, 130 amp rating, internal regulator type, and pulley setup match the original unit. Inspect the drive belt, electrical connectors, and charging circuit condition during replacement to help ensure proper system operation.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured electrical components built for application-specific replacement needs. Part number 23791 is listed for the confirmed Ford Focus fitment shown above and is intended to replace the corresponding OE-style alternator configuration.