# Proform 66436 | 66436 Alternator;New;GM 73-86;Int-Reg; Natural

### PROFORM 66436 APPLICATION SPECS:

### Attributes

-   Amperage Output: 70 AMP
-   Case Style: 10SI Style
-   Category: Alternators
-   Color: Natural
-   Finish: Natural
-   Pulley Diameter: 2 1/2 inch
-   Wire Type: 3-Wire

### Product Description

Alternator,Sold Individually,100% New,GM10si Style for 73-86 Model Years With Internal Regulator,Includes Machined Pulley,Natural Finish

### FAQ

**What part number is this?** The listed part number is 66436.

**Is this product designed for direct replacement?** Confirm the original part specifications and intended application before ordering.

**Should I confirm compatibility before ordering?** Yes. Compare the original part and specifications before ordering.

### Common Searches

-   Proform 66436
-   66436 specifications
-   Proform Alternator;New;GM 73-86;Int-Reg; Natural

## Details

- **Price:** 353.84 CAD
- **Vendor:** Proform
- **Type:** Alternator
- **Tags:** 66436, Alternator, Proform

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 353.84 CAD | In stock |

## Images

- Proform 66436 | 66436 Alternator;New;GM 73-86;Int-Reg; Natural

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/66436-vp-proform-518)
> Updated: 2026-10-20