Part #: 21033

Remy 21033 Alternator

Premium Remanufactured
⚙️ 24 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: Chevrolet and GMC, Astro, G10, G20, G30, G1500, G2500, G3500, and Safari
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Reliable Alternator for Chevrolet and GMC Vehicles

The Remy Premium Remanufactured Alternator 21033 is designed to restore charging system performance in select Chevrolet and GMC models. Engineered to meet OE specifications, this 12-volt alternator provides consistent power delivery for vehicles like the Chevrolet Astro and GMC Safari.

  • Amperage Rating: 105 amps for stable electrical output
  • Fan Type: External fan for efficient cooling
  • Remanufactured to OE standards for durability
  • OE Manufacturer: Delco/Delphi for trusted quality
  • Pulley Included for straightforward installation
  • Rotation Direction: Clockwise to match original equipment
  • Voltage Regulator Type: Internal for simplified wiring

About the Premium Remanufactured Product Line

The Premium Remanufactured line by Remy focuses on delivering alternators that have been carefully rebuilt to meet or exceed original equipment manufacturer standards. This ensures reliable performance and longevity while providing a cost-effective alternative to new parts. The 21033 alternator benefits from this process, offering a dependable replacement for your vehicle's charging system.

Product Details and Specifications

This Remy alternator 21033 operates at 12 volts with a 105-amp output, suitable for maintaining electrical system stability in Chevrolet Astro, GMC G10, G20, G30, and Safari models. The external fan design helps dissipate heat effectively, extending the alternator's service life. Featuring an internal voltage regulator, this alternator simplifies installation and reduces potential wiring issues. The included pulley and clockwise rotation direction ensure compatibility with the original setup.

Common Applications and Problem Resolution

  • Replaces faulty or worn alternators in Chevrolet Astro and GMC Safari vehicles
  • Resolves battery charging issues and electrical system failures
  • Eliminates dimming headlights and electrical accessory malfunctions
  • Addresses warning lights related to charging system faults
  • Restores proper voltage regulation for consistent engine performance

Installation Notes and Tips

Before installation, verify compatibility with your specific Chevrolet or GMC model and engine configuration. The included pulley and clockwise rotation direction match original equipment, facilitating a direct replacement. Ensure battery terminals are disconnected prior to removal and installation to prevent electrical shorts. After installation, test the charging system to confirm proper operation.

Quality Assurance and Warranty

Remy Premium Remanufactured alternators undergo rigorous testing to meet OE standards, ensuring reliable performance and durability. This alternator 21033 is backed by Remy's quality assurance processes, providing confidence in its fit and function. Please refer to Remy's warranty terms for specific coverage details.

BrandRemy
Part Number21033
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 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1992ChevroletAstro4.3LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1992ChevroletG105.7LV8N/AStandard 105 Amp alternator: suitable for various applications.; Premium Remanufactured
1992ChevroletG104.3LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1992ChevroletG105.0LV8N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1992ChevroletG205.7LV8N/AStandard 105 Amp alternator: suitable for various applications.; Premium Remanufactured
1992ChevroletG205.0LV8N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1992ChevroletG204.3LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1992ChevroletG305.7LV8N/AStandard 105 Amp alternator: suitable for various applications.; Premium Remanufactured
1992ChevroletG307.4LV8N/AStandard 105 Amp alternator: suitable for various applications.; Premium Remanufactured
1992ChevroletG304.3LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1992GMCG15004.3LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1992GMCG15005.0LV8N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1992GMCG15005.7LV8N/AStandard 105 Amp alternator: suitable for various applications.; Premium Remanufactured
1992GMCG25005.0LV8N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1992GMCG25005.7LV8N/AStandard 105 Amp alternator: suitable for various applications.; Premium Remanufactured
1992GMCG25004.3LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1992GMCG35005.7LV8N/AStandard 105 Amp alternator: suitable for various applications.; Premium Remanufactured
1992GMCG35004.3LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1992GMCG35007.4LV8N/AStandard 105 Amp alternator: suitable for various applications.; Premium Remanufactured
1992GMCSafari4.3LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1991ChevroletAstro4.3LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1991GMCSafari4.3LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1990ChevroletAstro4.3LV6N/ANot compatible with vehicles with less than 105 amps capacity.; Premium Remanufactured
1990GMCSafari4.3LV6N/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:

10463146104631471046344511015001101521110161611016171101637

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