Remy 91342 Alternator

Remy 91342 Alternator Overview

Remy 91342 is a new 12-volt alternator with a 105-amp amperage rating, internal voltage regulator, external fan, clockwise rotation, and pulley included. It is built for OE-style charging system replacement on select Chevrolet, GMC, Pontiac, and Oldsmobile applications, including Chevrolet S10 and GMC Sonoma fitments.

Key Features

• 105-amp output for 12-volt charging systems
• New alternator construction
• Internal voltage regulator for simplified charging control
• External fan design
• Pulley included
• Clockwise rotation
• OE manufacturer reference: Delco/Delphi
• Cross-reference part numbers include 1101139 and 10463013

Detailed Product Description

This Remy alternator, part number 91342, is specified for vehicles that use a 105-amp charging setup and a clockwise-rotating, 12-volt alternator with an internal regulator. It is a direct replacement option for applications such as Fits 1987-1993 Chevrolet S10, N/A; Fits 1991-1993 GMC Sonoma, N/A; and other listed Chevrolet, GMC, Pontiac, and Oldsmobile models. The OE manufacturer reference to Delco/Delphi helps identify the original equipment design family for this charging component.

Remy New product line components are positioned as new replacement electrical parts for starting and charging repairs where correct output, rotation, and regulator type matter. Part number 91342 is also referenced by multiple interchange numbers, which can help when matching an existing alternator by OE or aftermarket cross-reference.

What This Alternator Helps Solve

• Battery warning lights caused by charging system output issues
• Low-voltage conditions from a failing alternator
• Dim lights or unstable electrical performance
• Charging problems on 12-volt vehicles with a 105-amp requirement
• Replacement needs for worn OE-style Delco/Delphi alternator applications

Installation Notes and Fitment Tips

• Fits 1987-1993 Chevrolet S10, N/A; not compatible with vehicles with less than 105 amps capacity.
• Fits 1991-1993 GMC Sonoma, N/A; not compatible with vehicles with less than 105 amps capacity.
• Fits 1987-1992 Chevrolet Camaro, N/A; not compatible with vehicles with less than 105 amps capacity.
• Fits 1987-1992 Pontiac Firebird, N/A; not compatible with vehicles with less than 105 amps capacity.
• Fits 1991 Chevrolet Lumina, N/A; not compatible with vehicles with less than 105 amps capacity.
• Fits 1991 Oldsmobile Cutlass Supreme, N/A; not compatible with vehicles with less than 105 amps capacity.
• Fits 1991 Pontiac Grand Prix, N/A; not compatible with vehicles with less than 105 amps capacity.
• Fits 1987-1990 Chevrolet Astro, N/A; not compatible with vehicles with less than 105 amps capacity.
• Fits 1987-1990 GMC S15, N/A; not compatible with vehicles with less than 105 amps capacity.
• Fits 1987-1990 GMC Safari, N/A; not compatible with vehicles with less than 105 amps capacity.
• Fits 1987-1988 Chevrolet S10 Blazer, N/A; not compatible with vehicles with less than 105 amps capacity.
• Fits 1987-1988 GMC S15 Jimmy, N/A; not compatible with vehicles with less than 105 amps capacity.

Before installation, confirm the vehicle’s charging system is specified for 105 amps, verify clockwise rotation, and match the pulley and regulator style to the original unit. For Chevrolet S10 and GMC Sonoma applications, confirm the existing alternator configuration against the vehicle’s electrical requirements before replacement.

Quality Assurance

This alternator is a new Remy electrical component built to OE manufacturer reference standards for Delco/Delphi-style applications. Part number 91342 is intended for direct replacement use where the listed fitment and electrical specifications match the vehicle.