Remy 91422 Alternator

Remy 91422 Alternator for OE-Style Charging Performance

Remy 91422 is a new 12-volt alternator built for charging-system replacement on select GM minivans. It delivers 140 amps, uses an internal voltage regulator, and includes the pulley for a direct-fit service replacement.

Key Features

• 140-amp amperage rating for steady electrical output
• New alternator, not remanufactured
• Internal voltage regulator for integrated control
• External fan design
• Clockwise rotation
• Pulley included
• OE manufacturer reference: Delco/Delphi

Product Details

Remy New line parts are positioned as replacement components for charging and starting repairs, with this unit built to match the electrical and mounting requirements of the original application. Part number 91422 is a 12V alternator for 1998 Oldsmobile Silhouette and 1998 Pontiac Trans Sport models, both listed as Delco unit applications with 140 amps. This part cross-references Delco/Delphi OE numbers 10464403 and 10480347 for the same application.

Common Problems This Part Can Address

• Battery warning light caused by alternator output loss
• Low charging voltage at idle or under electrical load
• Dim lights or unstable accessory performance
• Charging-system failure after alternator wear
• Noise or belt-drive issues related to a failing alternator assembly

Installation Notes and Tips

Verify pulley alignment, rotation direction, and electrical connector match before installation. Confirm the vehicle uses the listed Delco unit application and compare the original part number to 91422 when servicing a 1998 Oldsmobile Silhouette or 1998 Pontiac Trans Sport. After installation, test charging voltage and inspect belt condition, tension, and battery state of charge.

Quality Assurance

Remy New parts are built as new replacement components for electrical, charging, and starting applications. This alternator is specified with an internal regulator, external fan, and OE manufacturer reference to Delco/Delphi for application matching.