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WAI 8238N Alternator
Reliable Alternator for Cadillac, Chevrolet, and GMC Vehicles
The WAI 8238N alternator is designed to provide consistent electrical charging and starting performance for a range of Cadillac, Chevrolet, and GMC models. Engineered with an internal fan and regulator, this alternator supports serpentine belt systems and delivers a 105-amp output to meet your vehicle's power demands.
- 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
- Delco family alternator design
- 105 amp amperage rating
- No decoupled or clutch pulley
Technical Details and Features
The WAI 8238N alternator features an internal fan that helps maintain optimal operating temperatures, enhancing durability and performance. Its clockwise rotation matches the original equipment specifications for many Cadillac, Chevrolet, and GMC trucks and SUVs. 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 components. This model belongs to the Delco family, known for compatibility with various GM vehicles.
Compatible Vehicles and Applications
This alternator is compatible with multiple GM models, including:
- Cadillac Escalade
- Chevrolet Avalanche 1500 and 2500
- Chevrolet Silverado 1500, 1500 HD, 2500, 2500 HD, and 3500
- Chevrolet Suburban 1500 and 2500
- Chevrolet Tahoe
- GMC Sierra 1500, 1500 HD, 2500, 2500 HD, and 3500
- GMC Yukon, Yukon XL 1500, and Yukon XL 2500
- Cadillac and Chevrolet Astro and Safari
Common Issues Addressed by the WAI 8238N Alternator
- Intermittent or no charging of the battery
- Dim or flickering dashboard and headlights
- Battery warning light illumination
- Electrical system failures or power loss
- Failure to start due to insufficient battery charge
Installation Notes and Tips
Ensure the serpentine belt is properly aligned with the 6-groove pulley during installation. Verify the alternator rotation direction matches your vehicle’s requirements (clockwise/right). Since this alternator includes an internal voltage regulator, no external regulator adjustments are necessary. Always disconnect the battery before beginning installation to prevent electrical shorts.
Quality Assurance and Warranty
The WAI 8238N alternator is manufactured to meet OEM specifications for durability and performance. It undergoes rigorous testing to ensure reliable operation under typical driving conditions. Please refer to the product documentation or supplier for specific warranty details.
| Brand | WAI |
| Part Number | 8238N |
| 12 | 12 |
| Fan Type | Internal |
| Rotation Direction | Clockwise (right) |
| Pulley Included | Yes |
| Family | Delco |
| Pulley Groove Quantity | 6 |
| Pulley Belt Type | Serpentine |
| Regulator Type | Internal |
| Decoupled Or Clutch Pulley | No |
| Amperage Rating | 105 |
This part fits 54 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Chevrolet | Astro | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2004 | GMC | Safari | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2003 | Chevrolet | Astro | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2003 | GMC | Safari | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2002 | Cadillac | Escalade | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2002 | Chevrolet | Astro | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2002 | Chevrolet | Avalanche 1500 | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2002 | Chevrolet | Avalanche 2500 | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2002 | Chevrolet | Silverado 1500 HD | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2002 | Chevrolet | Silverado 2500 | 6.0L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2002 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2002 | Chevrolet | Silverado 3500 | 6.6L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2002 | Chevrolet | Suburban 1500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2002 | Chevrolet | Suburban 2500 | 6.0L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2002 | Chevrolet | Tahoe | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2002 | GMC | Safari | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2002 | GMC | Sierra 1500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2002 | GMC | Sierra 1500 HD | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2002 | GMC | Sierra 2500 | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2002 | GMC | Sierra 2500 HD | 6.0L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2002 | GMC | Sierra 3500 | 6.6L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2002 | GMC | Yukon | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2002 | GMC | Yukon XL 1500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2002 | GMC | Yukon XL 2500 | 6.0L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | Chevrolet | Astro | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2001 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | Chevrolet | Silverado 1500 HD | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2001 | Chevrolet | Silverado 2500 | 6.0L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | Chevrolet | Silverado 3500 | 6.6L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | Chevrolet | Suburban 1500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | Chevrolet | Suburban 2500 | 6.0L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | Chevrolet | Tahoe | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | GMC | Safari | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2001 | GMC | Sierra 1500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | GMC | Sierra 1500 HD | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2001 | GMC | Sierra 2500 | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2001 | GMC | Sierra 2500 HD | 6.0L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | GMC | Sierra 3500 | 6.6L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | GMC | Yukon | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | GMC | Yukon XL 1500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2001 | GMC | Yukon XL 2500 | 6.0L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2000 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2000 | Chevrolet | Suburban 1500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2000 | Chevrolet | Suburban 2500 | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2000 | Chevrolet | Tahoe | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2000 | GMC | Sierra 1500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2000 | GMC | Sierra 2500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2000 | GMC | Yukon | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 2000 | GMC | Yukon XL 1500 | N/A | Delco AD230, 105A, Opt. Unit | ||
| 2000 | GMC | Yukon XL 2500 | N/A | Delco AD230, 105A, Opt. Unit | ||
| 1999 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 1999 | GMC | Sierra 1500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
| 1999 | GMC | Sierra 2500 | 5.3L | V8 | N/A | Delco AD230, 105A, Opt. Unit |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.