Part #: 20381

Remy 20381 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, Cadillac, Chevrolet, Oldsmobile, and Pontiac, Brougham, Caprice, Custom Cruiser, LeSabre, and Safari
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Reliable Alternator for Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac

The Remy Premium Remanufactured Alternator 20381 is designed to restore charging system performance in select GM vehicles. Engineered with a 105-amp rating and an internal voltage regulator, this alternator supports consistent electrical output for models like the Buick LeSabre and Chevrolet Caprice.

  • 105 Amperage Rating for steady electrical supply
  • External fan type for effective 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  • Superseded part number 20397 for updated fitment

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 20381 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, part number 20381, is designed for 12-volt electrical systems and delivers a 105-amp output suitable for a range of GM vehicles including the Pontiac Safari and Oldsmobile Custom Cruiser. Featuring an external fan, it maintains optimal operating temperatures during vehicle operation. The clockwise rotation and included pulley allow for straightforward installation in compatible models. The internal voltage regulator simplifies wiring and reduces the need for additional components. This alternator is a remanufactured unit originally produced by Delco/Delphi, ensuring compatibility and performance aligned with original equipment.

Common Applications and Issues Addressed

  • Restores charging system functionality in Buick Brougham and Cadillac models
  • Resolves dimming or flickering headlights due to alternator failure
  • Eliminates battery drain caused by insufficient alternator output
  • Fixes electrical system warning lights related to charging problems
  • Replaces worn or damaged alternators in Chevrolet Caprice and Pontiac Safari

Installation Notes and Tips

Ensure the vehicle’s battery is disconnected before beginning installation. Verify the clockwise rotation direction matches the original alternator. The included pulley allows for direct replacement without additional parts. Confirm compatibility with your specific make and model, such as the Oldsmobile LeSabre or Buick Brougham, to avoid fitment issues. Proper torque specifications should be followed when securing the alternator to prevent damage.

Quality Assurance and Warranty

This remanufactured alternator undergoes rigorous testing to meet OEM performance standards. Manufactured under the Premium Remanufactured line, it offers a reliable solution backed by Remy’s quality control processes. Please refer to the warranty information provided by the distributor or retailer for coverage details.

BrandRemy
Part Number20381
PositionPremium Remanufactured
Amperage Rating105
Fan TypeExternal
New or RemanufacturedRemanufactured
OE ManufacturerDelco/delphi
Part StatusSuperseded to 20397
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1990BuickLeSabre5.0LV8N/A105 Amps; Superseded; Premium Remanufactured
1990CadillacBrougham5.0LV8N/A105 Amps; Superseded; Premium Remanufactured
1990ChevroletCaprice5.0LV8N/A105 Amps; Superseded; Premium Remanufactured
1990OldsmobileCustom Cruiser5.0LV8N/A105 Amps; Superseded; Premium Remanufactured
1989BuickLeSabre5.0LV8N/A105 Amps; Superseded; Premium Remanufactured
1989CadillacBrougham5.0LV8N/A105 Amps; Superseded; Premium Remanufactured
1989ChevroletCaprice5.0LV8N/A105 Amps; Superseded; Premium Remanufactured
1989OldsmobileCustom Cruiser5.0LV8N/A105 Amps; Superseded; Premium Remanufactured
1989PontiacSafari5.0LV8N/A105 Amps; Superseded; Premium Remanufactured
1988BuickLeSabre5.0LV8N/A105 Amps; Superseded; Premium Remanufactured
1988CadillacBrougham5.0LV8N/Aw/Armored Option; 105 Amps; Superseded; Premium Remanufactured
1988ChevroletCaprice5.0LV8N/A105 Amps; Superseded; Premium Remanufactured
1988OldsmobileCustom Cruiser5.0LV8N/A105 Amps; Superseded; Premium Remanufactured
1988PontiacSafari5.0LV8N/A105 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:

10463064104630901046310611011861101229110127511012927922-3

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