Remy 91408 Alternator

Remy 91408 Alternator Overview

The Remy 91408 is a new 12-volt alternator built for charging-system replacement on select GM vehicles. It delivers 140 amps, uses an internal voltage regulator, and includes a pulley for direct-fit service on supported applications.

Remy New line components are built as new replacement parts for electrical and starting-system repairs, giving technicians a straightforward option when replacing a worn or failed alternator on Buick Roadmaster, Cadillac Fleetwood, Chevrolet Caprice, and related platforms.

Key Features

• 140 amp amperage rating for higher-output charging applications
• 12V alternator with internal voltage regulator
• External fan design
• Clockwise rotation
• Pulley included
• New, not remanufactured
• OE manufacturer reference: Delco/Delphi

Detailed Description

Remy part number 91408 is a new alternator for electrical, charging, and starting system repair. It is specified as a 140 amp unit with clockwise rotation, an internal regulator, and an external fan, making it a direct replacement choice for vehicles that require this configuration. This alternator is listed for 1992-1996 GM applications including Buick Roadmaster, Cadillac Commercial Chassis, Cadillac Fleetwood, Chevrolet Caprice, Chevrolet Impala, Chevrolet Lumina APV, Oldsmobile Silhouette, and Pontiac Trans Sport. It also cross-references Delco/Delphi-style part numbers 10463338 and 10463678 for the same application.

For buyers searching for a 140 amp alternator for 1994-1996 Buick Roadmaster, a 1993-1996 Cadillac Fleetwood alternator, or a 1994-1996 Chevrolet Caprice alternator, Remy 91408 matches the listed OE-style configuration and fitment notes.

Vehicle Fitment

• Fits 1994-1996 Buick Roadmaster, N/A — 140 Amp Alternator; New
• Fits 1993-1996 Cadillac Commercial Chassis, N/A — 140 Amp Alternator; New
• Fits 1993-1996 Cadillac Fleetwood, N/A — 140 Amp Alternator; New
• Fits 1994-1996 Chevrolet Caprice, N/A — 140 Amps, Option; If Needed; New
• Fits 1994-1996 Chevrolet Impala, N/A — 140 Amps, Option; If Needed; New
• Fits 1992-1995 Chevrolet Lumina APV, N/A — 140 Amps, Option; If Needed; New
• Fits 1995 Oldsmobile Silhouette, N/A — 140 Amp Alternator; New
• Fits 1995 Pontiac Trans Sport, N/A — 140 Amp Alternator; New
• Fits 1992 Pontiac Trans Sport, N/A — 140 Amp Alternator; New
• Fits 1994 Chevrolet Commercial Chassis, N/A — 140 Amps, Option; If Needed; New
• Fits 1992-1994 Oldsmobile Silhouette, N/A — 140 Amps, Option; If Needed; New
• Fits 1993-1994 Pontiac Trans Sport, N/A — 140 Amps, Option; If Needed; New
• Fits 1993 Chevrolet Caprice, N/A — Police, Opt, 140 Amps; New
• Fits 1993 Chevrolet Commercial Chassis, N/A — Police, Opt, 140 Amps; New

Common Repair Uses

• Charging warning light or battery light staying on
• Low system voltage during driving or idle
• Weak battery charging after alternator failure
• Electrical accessories dimming under load
• Replacement for a noisy, worn, or non-functioning alternator

Installation Notes

Verify pulley style, rotation direction, amperage rating, and regulator type before installation. Confirm the vehicle’s charging-system option code where applicable, especially on Chevrolet Caprice, Chevrolet Impala, and Chevrolet Lumina APV applications marked as optional 140 amp units. Always inspect the belt, battery condition, and charging connections during alternator replacement.

Quality Assurance

This Remy New alternator is a new replacement part built to OE manufacturer specifications associated with Delco/Delphi applications. It is designed for direct replacement use on the listed GM vehicles and charging-system configurations.