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Bosch AL8703N Alternator
Reliable Alternator Replacement for Buick, Chevrolet, Oldsmobile, and Pontiac
The Bosch AL8703N alternator is designed to provide consistent 12-volt electrical power for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered as a new unit, this alternator ensures dependable charging and starting performance for vehicles like the Cutlass Supreme, Grand Prix, Lumina, Monte Carlo, and Regal.
- 12-volt electrical system compatibility
- 105-amp amperage rating for efficient charging
- Internal fan type with included external fan for optimal cooling
- Clockwise rotation direction with 6-groove pulley included
- Aluminum case material and color for durability and heat dissipation
- Internal regulator type with external regulator included
- Plug type 313 with 3-pin rear view main mounting ear at 6 o'clock
- One unit per car quantity, new alternator from Bosch's Alternator (New) line
Detailed Bosch Alternator (New) Product Line Information
The Alternator (New) product line from Bosch focuses on delivering brand-new alternators that meet or exceed original equipment specifications. This ensures that the AL8703N alternator provides reliable electrical charging and starting system performance for compatible vehicles. The line emphasizes quality construction, including aluminum cases and integrated regulators, to maintain consistent voltage output and durability under various operating conditions.
Product Features and Technical Specifications
The Bosch AL8703N alternator operates at 12 volts with a 105-amp rating, suitable for maintaining battery charge and powering electrical components in your vehicle. It features an internal fan design complemented by an included external fan to enhance cooling efficiency. The clockwise rotation direction and 6-groove pulley (52 mm outside diameter) are designed to match the belt system of compatible Buick, Chevrolet, Oldsmobile, and Pontiac models. The alternator includes an internal regulator and an external regulator for precise voltage control. The aluminum case provides strength and heat dissipation, while the plug type 313 with a 3-pin rear mounting ear at 6 o'clock ensures proper electrical connections.
Common Applications and Problem Resolution
- Replacement for failing or underperforming alternators in Buick Cutlass Supreme and Regal models
- Restores charging system functionality in Chevrolet Lumina and Monte Carlo vehicles
- Addresses electrical issues such as dimming lights or battery drain in Pontiac Grand Prix
- Solves starting problems related to insufficient alternator output
- Prevents battery over-discharge by maintaining proper voltage regulation
Installation Notes and Tips
- Verify vehicle compatibility with Buick, Chevrolet, Oldsmobile, and Pontiac models listed before installation
- Ensure proper alignment of the 6-groove pulley with the vehicle’s belt system
- Check electrical connections for plug type 313 and secure the 3-pin rear mounting ear at 6 o'clock
- Confirm clockwise rotation direction matches the original alternator
- Use appropriate tools to avoid damage to the aluminum case during installation
Quality Assurance and Warranty
This Bosch AL8703N alternator is a new unit manufactured to meet original equipment standards. Bosch’s Alternator (New) line is known for consistent quality and durability. While specific warranty details are not provided here, Bosch typically offers coverage against manufacturing defects. It is recommended to consult the product documentation or supplier for exact warranty terms.
| Brand | Bosch |
|---|---|
| Part Number | AL8703N |
| Position | Alternator (New) |
| Amperage Rating | 105 |
| Case Color | Aluminum |
| Case Material | Aluminum |
| Cases Per Pallet (ORLY) | 100 |
| External Fan Included | Yes |
| External Regulator Included | Yes |
| Fan Type | Internal |
| New Or Remanufactured | New |
| One Wire Capable | No |
| Original Equipment Manufacturer Names | DE |
| Outside Pulley Diameter | 52 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 3 |
| Plug Type | 313 |
| Pulley Groove Quantity | 6 |
| Pulley Included | Yes |
| Pulley Type | 6S |
| Pulley Type / Belt Type (Alternator) | 6S |
| Regulator Type | Internal |
| Rotation Direction | Clockwise |
| Unit(s) per Car Qty (ORLY) | 1 |
| Voltage | 12 |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1997 | Buick | Century | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1997 | Chevrolet | Lumina | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1997 | Chevrolet | Lumina | 3.1L | V6 | N/A | To 105 Amp Alternator; Alternator (New) | |
| 1997 | Chevrolet | Monte Carlo | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1997 | Chevrolet | Monte Carlo | 3.1L | V6 | N/A | To 105 Amp Alternator; Alternator (New) | |
| 1997 | Oldsmobile | Cutlass Supreme | Coupe | 3.1L | V6 | N/A | First Production; Alternator (New) |
| 1997 | Pontiac | Grand Prix | 3.1L | V6 | N/A | To 105 Amp Alternator; Alternator (New) | |
| 1996 | Buick | Regal | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1996 | Chevrolet | Lumina | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1996 | Chevrolet | Lumina | 3.1L | V6 | N/A | To 105 Amp Alternator; Alternator (New) | |
| 1996 | Chevrolet | Monte Carlo | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1996 | Chevrolet | Monte Carlo | 3.1L | V6 | N/A | To 105 Amp Alternator; Alternator (New) | |
| 1996 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1996 | Pontiac | Grand Prix | 3.1L | V6 | N/A | To 105 Amp Alternator; Alternator (New) | |
| 1995 | Buick | Regal | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1995 | Chevrolet | Lumina | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1995 | Chevrolet | Lumina | 3.1L | V6 | N/A | To 105 Amp Alternator; Alternator (New) | |
| 1995 | Chevrolet | Monte Carlo | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1995 | Chevrolet | Monte Carlo | 3.1L | V6 | N/A | To 105 Amp Alternator; Alternator (New) | |
| 1995 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1995 | Pontiac | Grand Prix | 3.1L | V6 | N/A | To 105 Amp Alternator; Alternator (New) | |
| 1994 | Buick | Regal | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1994 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (New) | |
| 1994 | Pontiac | Grand Prix | 3.1L | V6 | N/A | To 105 Amp Alternator; Alternator (New) | |
| 1993 | Oldsmobile | Cutlass Supreme | 3.1L | V6 | N/A | To 100 Amp Alternator; Alternator (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.