# Proform 66445.14N | 66445.14N ALT CHRM 1-WIRE GM 140A NEW

### PROFORM 66445.14N APPLICATION SPECS:

### Attributes

-   Amperage Output: 140 AMP
-   Applications: Chevy Small Block 262 to 400 Engines 1971 to 1987
-   Info: Chevy Big Block 396 to 454 Engines 1970 to 1987
-   Info: Pontiac 301 to 455 Engines 1963 to 1979
-   Info: Oldsmobile 215 to 455 Engines 1963 to 1984
-   Info: Buick 215 to 455 Engines 1963 to 1979
-   Case Style: 10SI Style
-   Category: Alternators
-   Color: Chrome
-   Finish: Chrome
-   Pulley Diameter: 2 1/2 inch
-   Wire Type: 1-Wire

### Product Description

Chrome Finish,GM 10si 1 Wire Style With Internal Regulator,Machined Pulley,Sold Individually,Alternator,Products,100% New,140 AMP Model

PRODUCT FEATURES:

Proform 66445.14N ALT CHRM 1-WIRE GM 140A NEW

### FAQ

**What part number is this?** The listed part number is 66445.14N.

**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 66445.14N
-   66445.14N specifications
-   Proform ALT CHRM 1-WIRE GM 140A NEW

## Details

- **Price:** 438.88 CAD
- **Vendor:** Proform
- **Type:** ALT CHRM 1-WIRE GM 140A NEW
- **Tags:** 66445.14N, ALT CHRM 1-WIRE GM 140A NEW, Proform

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 438.88 CAD | In stock |

## Images

- Proform 66445.14N | 66445.14N ALT CHRM 1-WIRE GM 140A NEW

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/66445-14n-vp-proform-518)
> Updated: 2026-10-21