# WAI Global 7864-5N Alternator for 1987-1993 Buick Regal

### Specifications

-   Amperage Rating: 124 A
-   Decoupled Or Clutch Pulley: No
-   Family: DELCO
-   Fan Type: External
-   Pulley Belt Type: Serpentine
-   Pulley Groove Quantity: 6
-   Pulley Included: Yes
-   Regulator Type: Internal
-   Rotation Direction: Clockwise (Right)
-   Voltage: 12 VDC

### Features

-   Elaborately designed to provide just enough power
-   Identical in specifications to the factory alternator
-   Made to comply with strict OE quality requirements
-   Enables precise fit and offers dependable operation

### Product Details

Alternator (7864-5N) by WAI Global®. Current: 120 Amp. With 6 Groove Pulley. Plug Position: 05:00 O'Clock. Rotation: Clockwise. Voltage: 12V. Is the performance of your vehicle affected by the power outage? It may be time to replace your old alternator. This premium factory-style alternator is designed to stringent OEM standards to fit, look, and function just like the original part. Made with proven technology and tried-and-true equipment, it guarantees to deliver reliable long-term performance.

Brand: WAI Global

Part Number: 7864-5N

UPC: 609843013507

Alternate MPN: 78645N

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1987

Buick

Regal

1990

Cadillac

Brougham

1991

Cadillac

Brougham

1992

Cadillac

Brougham

1989

Chevy

Caprice

1990

Chevy

Caprice

1991

Chevy

Caprice

1992

Chevy

Caprice

1993

Chevy

Caprice

1989

Pontiac

Firebird

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

**What part number is this?**  
The listed part number is 7864-5N.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

### Common Searches

-   Alternator for Buick Regal
-   7864-5N fitment
-   WAI Global Alternator
-   1987 Buick Regal Alternator

## Details

- **Price:** 407.03 CAD
- **Vendor:** WAI Global
- **Type:** Alternator
- **Tags:** 1987 Buick Regal, 1989 Pontiac Firebird, 1989-1993 Chevy Caprice, 1990-1992 Cadillac Brougham, 7864-5N, Alternator, Automotive, WAI Global

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 407.03 CAD | In stock |

## Images

- WAI Global 7864-5N Alternator for 1987-1993 Buick Regal

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wai-global-7864-5n-alternator)
> Updated: 2026-08-11