OE Quality
60-Day Returns

Remy 91304 Alternator
Reliable Alternator for Buick, Oldsmobile, and Pontiac Vehicles
The Remy New 91304 alternator is designed to provide consistent electrical performance for select Buick, Oldsmobile, and Pontiac models. Engineered to meet OE specifications, this 12-volt alternator ensures your vehicle's charging system operates efficiently.
- Amperage Rating: 105 amps for stable power output
- External fan type for effective cooling
- New unit, not remanufactured
- OE Manufacturer: Delco/Delphi quality standards
- Includes pulley for straightforward installation
- Clockwise rotation direction
- Internal voltage regulator for reliable voltage control
About the Remy New Product Line
The Remy New product line focuses on delivering brand-new electrical components that meet or exceed original equipment manufacturer standards. This alternator from the New line is built to provide dependable performance and durability, making it a suitable replacement for your Buick Firenza, Oldsmobile LeMans, or Pontiac Grand Am charging system needs.
Detailed Alternator Description
This Remy 91304 alternator features a 105-amp output, which supports the electrical demands of your vehicle’s systems. The external fan design helps maintain optimal operating temperatures, reducing the risk of overheating during extended use. With an internal voltage regulator, this alternator maintains consistent voltage levels, protecting your battery and electrical components. The included pulley and clockwise rotation direction match the original equipment specifications, ensuring compatibility and ease of installation.
Common Issues Addressed by This Alternator
- Battery not charging properly or draining quickly
- Dimming or flickering headlights and dashboard lights
- Electrical system warning lights illuminated on the dashboard
- Unusual noises from the alternator area
- Vehicle stalling or difficulty starting due to electrical failure
Installation Notes and Tips
Before installation, verify that this alternator is compatible with your specific Buick Firenza, Oldsmobile LeMans, Pontiac Grand Am, Optima, Skyhawk, or Sunbird model. The included pulley simplifies replacement, but ensure the belt tension is adjusted correctly after installation. Disconnect the battery before beginning work to avoid electrical shorts. Follow manufacturer torque specifications for mounting bolts and electrical connections.
Quality Assurance and Warranty
The Remy New 91304 alternator is manufactured to meet OE standards, ensuring reliable performance and durability. As a new part, it offers consistent quality without the variability sometimes found in remanufactured units. Warranty coverage details should be confirmed with the distributor or installer, as they may vary by region.
| Brand | Remy |
| Part Number | 91304 |
| Position | New |
| Amperage Rating | 105 |
| Fan Type | External |
| New or Remanufactured | New |
| OE Manufacturer | Delco/Delphi |
| Pulley Included | Yes |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | Internal |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1994 | Pontiac | Sunbird | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1993 | Pontiac | Sunbird | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1992 | Pontiac | Sunbird | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1991 | Pontiac | Sunbird | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1990 | Pontiac | LeMans | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1990 | Pontiac | Optima | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1990 | Pontiac | Sunbird | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1989 | Pontiac | Grand Am | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1989 | Pontiac | LeMans | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1989 | Pontiac | Optima | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1989 | Pontiac | Sunbird | 2.0L | L4 | N/A | w/AC; 105 Amps; New |
| 1989 | Pontiac | Sunbird | 2.0L | L4 | N/A | Without AC, 105 Amps; New |
| 1989 | Pontiac | Sunbird | 2.0L | L4 | N/A | Standard 105 Amp alternator: suitable for various applications.; New |
| 1989 | Pontiac | Sunbird | 2.0L | L4 | N/A | Opt; 105 Amps; New |
| 1988 | Buick | Skyhawk | 2.0L | L4 | N/A | Without AC, 105 Amps; New |
| 1988 | Buick | Skyhawk | 2.0L | L4 | N/A | w/AC; 105 Amps; New |
| 1988 | Oldsmobile | Firenza | 2.0L | L4 | N/A | w/AC; 105 Amps; New |
| 1988 | Oldsmobile | Firenza | 2.0L | L4 | N/A | Without AC, 105 Amps; New |
| 1988 | Pontiac | Grand Am | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1988 | Pontiac | Optima | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1988 | Pontiac | Sunbird | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1987 | Buick | Skyhawk | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1987 | Oldsmobile | Firenza | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1987 | Pontiac | Grand Am | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; New |
| 1987 | Pontiac | Sunbird | 2.0L | L4 | N/A | Not compatible with vehicles with less than 105 amps capacity.; 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.