Remy 20519 Alternator

Remanufactured 100-Amp Alternator

This Remy Premium Remanufactured alternator is built for direct replacement service in a wide range of Ford, Lincoln, and Mercury applications. It is a 12-volt unit with a 100-amp output, external fan, external voltage regulator, clockwise rotation, and pulley included.

Key Features

• Remanufactured alternator for OE-style replacement service
• 100-amp amperage rating for charging-system output
• 12-volt electrical system compatibility
• External fan and external voltage regulator design
• Pulley included for application-specific installation
• Clockwise rotation
• OE manufacturer listed as Ford

Detailed Description

Remy part number 20519 is a remanufactured alternator intended for vehicles that use an external regulator and a 100-amp charging specification. The fitment data covers applications such as Ford E-150 Econoline, Ford E-250 Econoline, Ford E-350 Econoline, Ford LTD Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis, along with additional Ford, Lincoln, and Mercury models from 1978-1992. This part cross-references Monroe Shocks & Struts (e.g., D4TF-10300-DA, D4TZ-10346-A) for the same application.

What It Is Used For

• Restoring charging output when the original alternator is no longer maintaining system voltage
• Replacing a worn or failed remanufactured or original alternator assembly
• Addressing battery drain caused by insufficient alternator output
• Correcting charging-system issues on vehicles with external regulator setups
• Supporting electrical loads in 12-volt Ford, Lincoln, and Mercury applications

Installation Notes and Tips

Verify the vehicle uses a 100-amp alternator specification, external voltage regulation, and the correct plug orientation before installation. Fitment notes include applications with and without air conditioning, as well as models that specify a 12:00 alternator plug or an alternate plug configuration. Confirm the existing mounting and electrical connections against the vehicle listing for Remy 20519 before replacement.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to meet application-specific replacement needs. Part number 20519 is listed with OE manufacturer reference to Ford and is supported by detailed fitment data for confirmed vehicle applications.