Part #: 91403

Remy 91403 Alternator

New
13 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
New
Fitment: Buick and Oldsmobile, Reatta, Riviera, Century, Electra, LeSabre, 98, Delta 88, and Toronado
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Reliable Alternator for Buick and Oldsmobile Vehicles

The Remy New 91403 alternator is designed to provide consistent electrical performance for select Buick and Oldsmobile models. Engineered with a 120-amp rating and an internal voltage regulator, this alternator supports your vehicle's charging system efficiently.

  • 120 Amperage Rating for steady electrical output
  • External fan type for effective cooling
  • New unit with OE manufacturer Delco/Delphi quality
  • Includes pulley for straightforward installation
  • Clockwise rotation direction compatible with specified vehicles
  • 12 Volt system voltage
  • Internal voltage regulator for simplified wiring

Product Line Details: Remy New Alternators

The Remy New product line focuses on brand-new alternators built to meet original equipment specifications. This ensures reliable performance and durability for your vehicle's electrical system. The New line offers direct replacements that maintain factory standards, making the 91403 alternator a suitable choice for maintaining your Buick or Oldsmobile's charging system integrity.

Detailed Alternator Description

This Remy 91403 alternator is specifically designed for compatibility with Buick and Oldsmobile models including the 98, Century, Delta 88, LeSabre, Reatta, Riviera, and Toronado. Featuring a 120 amp output, it supports the electrical demands of these vehicles while the external fan helps dissipate heat during operation. The included pulley and clockwise rotation direction match original equipment requirements, simplifying replacement. The internal voltage regulator reduces the need for additional components, streamlining installation and maintenance.

Common Issues Addressed by This Alternator

  • Battery not charging properly or draining quickly
  • Dim or flickering headlights and dashboard lights
  • Electrical system warning lights illuminated on the dash
  • Unusual noises from the alternator area
  • Vehicle stalling or difficulty starting due to electrical failure

Installation Notes and Tips

Before installation, verify the alternator's rotation direction and amperage rating match your vehicle's specifications. The included pulley allows for direct replacement without additional parts. Ensure all electrical connections are clean and secure. It is recommended to test the charging system after installation to confirm proper operation.

Quality Assurance and Warranty

The Remy New 91403 alternator is manufactured to meet OE standards with quality components from Delco/Delphi. This new alternator comes with a warranty that covers defects in materials and workmanship, providing confidence in its durability and performance for your Buick or Oldsmobile vehicle.

BrandRemy
Part Number91403
PositionNew
Amperage Rating120
Fan TypeExternal
New or RemanufacturedNew
OE ManufacturerDelco/Delphi
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1990BuickReatta3.8LV6N/A120 Amps - 120 amp power output rating; New
1990BuickRiviera3.8LV6N/A120 Amps - 120 amp power output rating; New
1989BuickReatta3.8LV6N/A120 Amps - 120 amp power output rating; New
1989BuickRiviera3.8LV6N/A120 Amps - 120 amp power output rating; New
1988BuickReatta3.8LV6N/A120 Amps - 120 amp power output rating; New
1988BuickRiviera3.8LV6N/A120 Amps - 120 amp power output rating; New
1987BuickRiviera3.8LV6N/A120 Amps - 120 amp power output rating; New
1986BuickCentury3.8LV6N/Aw/AC; Opt; 120 Amps; New
1986BuickLeSabre3.8LV6N/AFitment note: alternative option for 120 Amps; New
1986BuickRiviera3.8LV6N/AFitment note: alternative option for 120 Amps; New
1986Oldsmobile983.8LV6N/Aw/4-Pin Alt Plug; 120 Amps; New
1986OldsmobileDelta 883.8LV6N/AFitment note: alternative option for 120 Amps; New
1986OldsmobileToronado3.8LV6N/Aw/4-Pin Alt Plug; 120 Amps; New

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1046307110497108110132611013311105616

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.