Part #: 8231N

WAI 8231N Alternator

⚙️ 20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Isuzu, and Oldsmobile, Astro, Blazer, Bravada, Hombre, Jimmy, S10, Safari, and Sonoma
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Reliable Alternator for Chevrolet, GMC, Isuzu, and Oldsmobile Vehicles

The WAI 8231N alternator is designed to provide consistent electrical charging and starting performance for select Chevrolet, GMC, Isuzu, and Oldsmobile models. Engineered with an internal fan and regulator, this alternator supports the demanding electrical needs of vehicles like the Chevrolet Blazer and GMC Jimmy.

  • 12-volt electrical system compatibility
  • Internal fan type for efficient cooling
  • Clockwise (right) rotation direction
  • Includes a 6-groove serpentine pulley
  • Internal voltage regulator for stable output
  • 105 ampere rating suitable for moderate electrical loads
  • Delco family alternator design

Technical Details and Features

The WAI 8231N alternator features an internal fan that helps maintain optimal operating temperatures, enhancing durability and performance. Its clockwise rotation matches the original equipment specifications for vehicles such as the Chevrolet S10 and Isuzu Hombre. The included pulley has six grooves designed for serpentine belts, ensuring proper belt alignment and tension. With an internal voltage regulator, this alternator maintains consistent voltage output, protecting your vehicle's electrical system. Rated at 105 amps, it supports the electrical demands of accessories and systems in models like the Oldsmobile Bravada and GMC Safari.

Compatible Vehicles and Applications

This alternator is compatible with a range of Chevrolet, GMC, Isuzu, and Oldsmobile vehicles, including:

  • Chevrolet Astro, Blazer, Jimmy, S10
  • GMC Jimmy, Safari, Sonoma
  • Isuzu Hombre, Bravada
  • Oldsmobile Bravada

It is ideal for replacing worn or failing alternators in these models to restore reliable charging and starting functions.

Common Issues Addressed by the WAI 8231N Alternator

  • Battery not charging properly or frequently dying
  • Dimming or flickering vehicle lights
  • Electrical system warning lights on the dashboard
  • Unusual noises from the alternator pulley area
  • Intermittent starting problems or engine stalling

Installation Notes and Tips

When installing the WAI 8231N alternator, ensure the serpentine belt is properly aligned with the 6-groove pulley to prevent premature wear. Verify the rotation direction matches the vehicle’s original alternator to avoid compatibility issues. It is recommended to check the battery and electrical connections during installation to ensure optimal performance.

Quality Assurance and Warranty

WAI alternators are manufactured to meet or exceed OEM specifications, providing reliable performance for your vehicle’s charging system. While specific warranty details are not provided here, WAI products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.

BrandWAI
Part Number8231N
1212
Fan TypeInternal
Rotation DirectionClockwise (right)
Pulley IncludedYes
FamilyDelco
Pulley Groove Quantity6
Pulley Belt TypeSerpentine
Regulator TypeInternal
Decoupled Or Clutch PulleyNo
Amperage Rating105

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000ChevroletAstroN/A100 Amp or Opt, 105 Amp, w/5:00 Plug Clock, Supplied as 105 Amp
2000ChevroletBlazerN/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
2000ChevroletS104.3LV6N/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
2000GMCJimmyN/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
2000GMCSafariN/A100 Amp or Opt, 105 Amp, w/5:00 Plug Clock, Supplied as 105 Amp
2000GMCSonoma4.3LV6N/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
2000IsuzuHombre4.3LV6N/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
2000OldsmobileBravadaN/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
1999ChevroletBlazerN/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
1999ChevroletS104.3LV6N/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
1999GMCJimmyN/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
1999GMCSonoma4.3LV6N/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
1999IsuzuHombre4.3LV6N/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
1999OldsmobileBravadaN/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
1998ChevroletBlazerN/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
1998ChevroletS104.3LV6N/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
1998GMCJimmyN/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
1998GMCSonoma4.3LV6N/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
1998IsuzuHombre4.3LV6N/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp
1998OldsmobileBravadaN/A100 or 105 Amp, 5:00 Plug Clock, Supplied as 105 Amp

* 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:

104640841046443310480251104802541924478281046408408231-5

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