Remy
Premium Remanufactured

Remy 20380 Alternator

Brand Remy 20380
Amperage Rating 105
Fan Type External
New or Remanufactured Remanufactured
OE Manufacturer Delco/Delphi
Pulley Included Yes
Rotation Direction Clockwise
Voltage (V) 12
Voltage Regulator Type Internal
Product line Premium Remanufactured
Fits Chevrolet, GMC, and Pontiac · 3 vehicles

Premium remanufactured. A remanufactured alternator built for dependable charging performance.

OE manufacturer pedigree. Built with Delco/Delphi heritage for confident replacement quality.

Internal regulator. Integrated voltage control helps simplify the charging system.

Cross-references 1101150, 1101151 and 1101464 for the same application. See all 5.

$114.53Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $114.53
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Remanufactured Alternator for Select GM Applications

The Remy Premium Remanufactured 20380 alternator is a 12-volt charging component built for select Chevrolet and GMC applications. With a 105-amp rating, internal voltage regulator, external fan, and included pulley, it is built to restore stable charging performance in vehicles that need a direct-fit replacement.

Key Features

  • 105-amp output for dependable electrical system support
  • 12-volt alternator with internal voltage regulator
  • External fan design for cooling performance
  • Pulley included for application-specific replacement needs
  • Clockwise rotation
  • Premium remanufactured construction
  • OE manufacturer reference: Delco/Delphi

Product Details

Remy Premium Remanufactured focuses on OE-style replacement components rebuilt to meet the needs of original equipment applications. Part number 20380 is a remanufactured alternator for vehicles using a 105-amp charging system and a 7:00 alternator plug orientation in the listed fitments. This alternator cross-references 1101150 and 1101151 for the same application. It is a direct replacement choice for 1990 Chevrolet P30 and 1990 GMC P3500, and it also lists 1988 Pontiac Fiero coverage with the stated amperage limitation.

What This Alternator Helps Address

  • Battery warning light caused by weak charging output
  • Low system voltage during normal driving
  • Dim lights or electrical instability under load
  • Charging failure from a worn original alternator
  • Fitment issues when replacing a Delco/Delphi-style unit

Installation Notes and Fitment

  • Fits 1990 Chevrolet P30, N/A; 105 Amps, 7:00 Alt Plug; Premium Remanufactured
  • Fits 1990 GMC P3500, N/A; 105 Amps, 7:00 Alt Plug; Premium Remanufactured
  • Fits 1988 Pontiac Fiero, N/A; not compatible with vehicles with less than 105 amps capacity; Premium Remanufactured

Verify the vehicle’s charging system requirements, plug orientation, rotation direction, and pulley configuration before installation. Confirm the existing alternator matches the listed 105-amp specification and 7:00 plug position for proper replacement.

Quality Assurance

Remy Premium Remanufactured parts are rebuilt as replacement charging components for OE-style service applications. Part number 20380 is based on Delco/Delphi original equipment design references and is intended to support consistent fitment in the listed vehicles.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1990ChevroletP304.3LV6N/AFitment note: 105 Amps, 7:00 Alt Plug; Premium Remanufactured
1990GMCP35004.3LV6N/AFitment note: 105 Amps, 7:00 Alt Plug; Premium Remanufactured
1988PontiacFiero2.8LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1101150110115111014641046308910463143