Remy 20657 Alternator

Remanufactured Alternator for Chrysler Applications

Remy Part Number 20657 is a premium remanufactured alternator built for classic Chrysler, Dodge, and Plymouth-era charging systems that use a 12-volt setup with an external voltage regulator. With a 55 amp rating, internal fan, clockwise rotation, and included pulley, it is specified for direct replacement in a range of vintage vehicles.

Compatible With 1960-1969 Chrysler 300, Imperial, New Yorker, Newport, and Town & Country, plus 1961-1969 Dodge Dart, 1961-1962 Dodge Lancer, 1965-1969 Dodge Monaco, and 1966-1969 Dodge Charger. Remy 20657 is also cross-referenced to OE-style part numbers used in the same application.

Key Features

• Premium remanufactured alternator for 12V charging systems
• 55 amp amperage rating for classic vehicle electrical loads
• External voltage regulator type
• Internal fan design
• Clockwise rotation
• Pulley included
• OE manufacturer listed as Chrysler
• This part cross-references 2095100 and 2444899 for the same application.

Detailed Description

Remy Premium Remanufactured Part Number 20657 is an alternator for vintage Chrysler-family vehicles that require a 2-groove pulley and external regulation. It is built for 12-volt systems and delivers 55 amps, making it a direct-fit charging component for many original-equipment-style restorations and repairs. Fits 1960-1969 Chrysler 300, 1960-1969 Chrysler Imperial, and 1966-1969 Dodge Charger, along with additional Chrysler and Dodge models listed in the fitment data.

The Remy premium remanufactured line focuses on replacement components rebuilt to meet the needs of original-style electrical systems. For buyers searching Remy 20657, this alternator provides the correct rotation, fan style, and pulley configuration for the specified applications.

Common Problems This Part Can Help Solve

• Low charging output from a worn alternator
• Battery drain caused by an alternator that no longer maintains system voltage
• Dim lights or unstable electrical performance at idle or cruising speed
• Charging system failure in externally regulated vintage vehicles
• Noisy or inconsistent alternator operation from internal wear

Installation Notes and Tips

Verify pulley groove count, rotation direction, voltage regulator type, and connector style before installation. This alternator is specified for applications with an external voltage regulator and a clockwise rotation pattern. Confirm belt alignment and charging-system wiring condition during replacement, especially on restored Chrysler and Dodge vehicles.

Quality Assurance

Remy Premium Remanufactured components are remanufactured replacement parts intended for direct-fit service in the listed applications. Confirm fitment against the vehicle year, make, model, and charging-system configuration before ordering.