Part #: 20385

Remy 20385 Alternator

Premium Remanufactured
⚙️ 12 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, Oldsmobile, and Pontiac, 98, Bonneville, Delta 88, and LeSabre
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Alternator for Buick, Oldsmobile, and Pontiac Vehicles

The Remy Premium Remanufactured Alternator 20385 is designed to restore charging system performance in select Buick, Oldsmobile, and Pontiac models. Engineered to meet OE specifications, this 12-volt alternator delivers consistent 105-amp output with an external fan for effective cooling.

  • Amperage Rating: 105 amps for stable electrical output
  • Fan Type: External fan to maintain optimal operating temperature
  • Voltage: 12 volts compatible with standard automotive electrical systems
  • Rotation Direction: Clockwise rotation matching original equipment
  • Voltage Regulator: Internal regulator for simplified installation
  • Pulley Included: Ready to install without additional parts
  • OE Manufacturer: Remanufactured to Delco/Delphi standards

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy offers alternators rebuilt to meet or exceed original equipment manufacturer (OEM) specifications. Each unit undergoes rigorous testing and quality control to ensure reliable performance and durability. This product line focuses on providing cost-effective alternatives to new parts while maintaining compatibility and function for vehicles like the Buick LeSabre, Oldsmobile Delta 88, and Pontiac Bonneville.

Product Details and Specifications

This Remy alternator, part number 20385, is a remanufactured unit designed specifically for 12-volt electrical systems. It features a clockwise rotation direction and includes an external fan to help dissipate heat during operation. The internal voltage regulator simplifies installation by eliminating the need for an external regulator. The included pulley matches original equipment specifications, ensuring proper belt alignment and tension. This alternator is compatible with Buick 98, Oldsmobile Delta 88, and Pontiac Bonneville models, providing a direct replacement for worn or failing units.

Common Applications and Problem Resolution

  • Restores charging system functionality in Buick LeSabre and Oldsmobile Delta 88
  • Resolves dimming headlights and electrical accessory issues
  • Eliminates battery drain caused by faulty alternators in Pontiac Bonneville
  • Addresses warning lights related to charging system failure
  • Replaces alternators with worn bearings or damaged pulleys

Installation Notes and Tips

Ensure the vehicle battery is disconnected before beginning installation to prevent electrical shorts. Verify the clockwise rotation direction matches the original alternator. Confirm the pulley and mounting points align correctly with the vehicle’s belt system. Since this alternator includes an internal voltage regulator, no additional regulator installation is necessary. After installation, test the charging system voltage to confirm proper operation.

Quality Assurance and Warranty

Remy’s Premium Remanufactured alternators are rebuilt to meet OE standards and undergo comprehensive testing to ensure reliability. Part number 20385 is manufactured to Delco/Delphi specifications, providing consistent performance for Buick, Oldsmobile, and Pontiac vehicles. Warranty coverage details should be confirmed with the distributor or retailer at the time of purchase.

BrandRemy
Part Number20385
PositionPremium Remanufactured
Amperage Rating105
Fan TypeExternal
New or RemanufacturedRemanufactured
OE ManufacturerDelco/delphi
Pulley IncludedYes
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1990BuickLeSabre3.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1990Oldsmobile983.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1990OldsmobileDelta 883.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1990PontiacBonneville3.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1989BuickLeSabre3.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1989Oldsmobile983.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1989OldsmobileDelta 883.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1989PontiacBonneville3.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1988BuickLeSabre3.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1988Oldsmobile983.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1988OldsmobileDelta 883.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1988PontiacBonneville3.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; 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:

104630941101310

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