Remy 20399 Alternator

Remanufactured Alternator for Cadillac 1986-1988

The Remy Premium Remanufactured 20399 alternator is a 12-volt charging component built for select Cadillac applications from 1986-1988. It delivers 120 amps, uses an internal voltage regulator, and includes the pulley for a direct replacement setup.

Key Features

• 120 amp amperage rating for steady electrical output
• 12-volt alternator with internal voltage regulator
• External fan design
• Clockwise rotation
• Remanufactured to Remy Premium Remanufactured standards
• OE manufacturer reference: Delco/Delphi
• Pulley included

Product Details

Remy part number 20399 is a premium remanufactured alternator for Cadillac DeVille, Eldorado, Fleetwood, Seville, and Commercial Chassis applications listed below. It is built for vehicles that use a 12V charging system and a clockwise-rotating alternator with an internal regulator. This part cross-references Delco/Delphi numbers 1101296 and 1101518 for the same application.

The Remy Premium Remanufactured line focuses on OE-style electrical replacement parts for charging and starting systems. For buyers searching for a remanufactured alternator for 1986-1988 Cadillac DeVille or a 120 amp alternator for 1988 Cadillac Fleetwood and Seville, this unit matches the listed fitment and electrical specifications.

What It Helps Address

• Low battery charging caused by a worn alternator
• Dim lights or unstable electrical output
• Battery warning light concerns related to charging system performance
• Charging system noise or irregular alternator operation
• Replacement needs for a failed OE-style Delco/Delphi alternator

Installation Notes and Tips

Verify the vehicle’s alternator mounting style, pulley alignment, rotation direction, and electrical connector match before installation. Confirm the charging system is set up for a 120 amp, 12-volt alternator with an internal regulator. Fits 1988 Cadillac Commercial Chassis, N/A. Fits 1986-1988 Cadillac DeVille, N/A. Fits 1988 Cadillac Eldorado, N/A. Fits 1988 Cadillac Fleetwood, N/A. Fits 1988 Cadillac Seville, N/A.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured electrical components built to support OE-style replacement needs for charging and starting systems. Part number 20399 is remanufactured and references Delco/Delphi OE manufacturer applications.