HomeBosch AL8703N Alternator
Part #: AL8703N

Bosch AL8703N Alternator

Alternator (New)
25 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$178.80Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
Alternator (New)
Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, Century, Lumina, Monte Carlo, Cutlass Supreme, Grand Prix, and Regal
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandBosch
Part NumberAL8703N
PositionAlternator (New)
Amperage Rating105
Case ColorAluminum
Case MaterialAluminum
Cases Per Pallet (ORLY)100
External Fan IncludedYes
External Regulator IncludedYes
Fan TypeInternal
New Or RemanufacturedNew
One Wire CapableNo
Original Equipment Manufacturer NamesDE
Outside Pulley Diameter52
Plug Clock Rear View Main Mounting Ear at 6 O Clock3
Plug Type313
Pulley Groove Quantity6
Pulley IncludedYes
Pulley Type6S
Pulley Type / Belt Type (Alternator)6S
Regulator TypeInternal
Rotation DirectionClockwise
Unit(s) per Car Qty (ORLY)1
Voltage12

This part fits 25 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1997BuickCentury3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1997ChevroletLumina3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1997ChevroletLumina3.1LV6N/ATo 105 Amp Alternator; Alternator (New)
1997ChevroletMonte Carlo3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1997ChevroletMonte Carlo3.1LV6N/ATo 105 Amp Alternator; Alternator (New)
1997OldsmobileCutlass SupremeCoupe3.1LV6N/AFirst Production; Alternator (New)
1997PontiacGrand Prix3.1LV6N/ATo 105 Amp Alternator; Alternator (New)
1996BuickRegal3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1996ChevroletLumina3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1996ChevroletLumina3.1LV6N/ATo 105 Amp Alternator; Alternator (New)
1996ChevroletMonte Carlo3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1996ChevroletMonte Carlo3.1LV6N/ATo 105 Amp Alternator; Alternator (New)
1996OldsmobileCutlass Supreme3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1996PontiacGrand Prix3.1LV6N/ATo 105 Amp Alternator; Alternator (New)
1995BuickRegal3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1995ChevroletLumina3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1995ChevroletLumina3.1LV6N/ATo 105 Amp Alternator; Alternator (New)
1995ChevroletMonte Carlo3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1995ChevroletMonte Carlo3.1LV6N/ATo 105 Amp Alternator; Alternator (New)
1995OldsmobileCutlass Supreme3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1995PontiacGrand Prix3.1LV6N/ATo 105 Amp Alternator; Alternator (New)
1994BuickRegal3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1994OldsmobileCutlass Supreme3.1LV6N/ATo 100 Amp Alternator; Alternator (New)
1994PontiacGrand Prix3.1LV6N/ATo 105 Amp Alternator; Alternator (New)
1993OldsmobileCutlass Supreme3.1LV6N/ATo 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:

10463653104639641046406610464074

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