Part #: 21759

Remy 21759 Alternator

Premium Remanufactured
⚙️ 14 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Premium Remanufactured
🚗Fitment: Buick, Chevrolet, and Pontiac, Century, Grand Prix, Impala, Lumina, and Monte Carlo
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Reliable Alternator for Buick, Chevrolet, and Pontiac Vehicles

The Remy Premium Remanufactured Alternator 21759 is designed to restore charging system performance in select Buick, Chevrolet, and Pontiac models. Engineered with a 110-amp rating and internal voltage regulator, this alternator supports consistent electrical output for your vehicle's needs.

  • 110 Ampere output for stable electrical supply
  • Internal fan type for efficient cooling
  • Remanufactured to meet OE standards
  • Includes pulley for direct replacement
  • Clockwise rotation direction
  • 12 Volt system compatibility
  • Internal voltage regulator for simplified installation
  • Superseded part number 21756 for updated fitment
  • OE Manufacturer: Delco/Delphi

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy offers alternators that have been carefully rebuilt to meet or exceed original equipment specifications. This process includes thorough testing and replacement of worn components, ensuring reliable performance and durability. The 21759 alternator benefits from this quality-focused remanufacturing approach, providing a cost-effective alternative to new units without compromising functionality.

Detailed Product Description

This Remy alternator 21759 is specifically designed for 12-volt electrical systems and delivers a 110-amp output suitable for vehicles requiring moderate electrical loads. The internal fan design helps maintain optimal operating temperatures, while the internal voltage regulator simplifies installation by eliminating the need for external components. The included pulley and clockwise rotation direction ensure compatibility with the original drive system. This alternator is a remanufactured replacement part originally manufactured by Delco/Delphi and supersedes part number 21756, making it suitable for a range of Buick, Chevrolet, and Pontiac models.

Compatible Vehicles and Common Applications

  • Buick Century
  • Chevrolet Impala
  • Chevrolet Lumina
  • Pontiac Grand Prix
  • Chevrolet Monte Carlo

This alternator addresses issues such as battery not charging, dimming headlights, electrical system warning lights, and intermittent power loss.

Installation Notes and Tips

When installing the Remy 21759 alternator, ensure the pulley aligns correctly with the belt system and verify the clockwise rotation matches the original unit. The internal voltage regulator reduces wiring complexity, but it is important to check all electrical connections for corrosion or damage before installation. Proper torque specifications should be followed to avoid mounting issues.

Quality Assurance and Warranty

Remy Premium Remanufactured alternators undergo rigorous testing to meet OEM performance standards. While specific warranty details are not provided here, Remy products typically include coverage against defects in materials and workmanship. Confirm warranty terms with the supplier or manufacturer documentation.

BrandRemy
Part Number21759
PositionPremium Remanufactured
Amperage Rating110
Fan TypeInternal
New or RemanufacturedRemanufactured
OE ManufacturerDelco/delphi
Part StatusSuperseded to 21756
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003PontiacGrand Prix3.1LV6N/A110 Amps; Superseded; Premium Remanufactured
2002PontiacGrand Prix3.1LV6N/A110 Amps; Superseded; Premium Remanufactured
2001BuickCentury3.1LV6N/A110 Amps; Superseded; Premium Remanufactured
2001ChevroletImpala3.4LV6N/A110 Amps; Superseded; Premium Remanufactured
2001ChevroletLumina3.1LV6N/A110 Amps; Superseded; Premium Remanufactured
2001ChevroletMonte Carlo3.4LV6N/A110 Amps; Superseded; Premium Remanufactured
2001PontiacGrand Prix3.1LV6N/A110 Amps; Superseded; Premium Remanufactured
2000BuickCentury3.1LV6N/A110 Amps; Superseded; Premium Remanufactured
2000ChevroletImpala3.4LV6N/A110 Amps; Superseded; Premium Remanufactured
2000ChevroletLumina3.1LV6N/A110 Amps; Superseded; Premium Remanufactured
2000ChevroletMonte Carlo3.4LV6N/A110 Amps; Superseded; Premium Remanufactured
2000PontiacGrand Prix3.1LV6N/A110 Amps; Superseded; Premium Remanufactured
1999BuickCentury3.1LV6N/A110 Amps; Superseded; Premium Remanufactured
1999PontiacGrand Prix3.1LV6N/A110 Amps; Superseded; Premium Remanufactured

* 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:

1043798710447094104470961046441210464415104644251046444710464449104802921048033010480346

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