---
product_id: 7532313
title: "Powermaster - Alt GM 12SI Natural 100A 1V Pulley 1 or 3 Wire"
brand: "powermaster"
price: "$611"
currency: NZD
in_stock: true
reviews_count: 12
category: "Powermaster"
url: https://www.desertcart.nz/products/7532313-powermaster-alt-gm-12si-natural-100a-1v-pulley-1-3
store_origin: NZ
region: New Zealand
---

# 100A high output power Vehicle-specific perfect fit Next-day delivery ready Powermaster - Alt GM 12SI Natural 100A 1V Pulley 1 or 3 Wire

**Brand:** powermaster
**Price:** $611
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your ride with confidence and style!

## Quick Answers

- **What is this?** Powermaster - Alt GM 12SI Natural 100A 1V Pulley 1 or 3 Wire by powermaster
- **How much does it cost?** $611 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/7532313-powermaster-alt-gm-12si-natural-100a-1v-pulley-1-3)

## Best For

- powermaster enthusiasts

## Why This Product

- Trusted powermaster brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hassle-Free Purchase:** No core charge or returns required, making upgrades stress-free.
- • **Precision Vehicle Fit:** Designed specifically for your model to ensure seamless installation and operation.
- • **Dual Pulley Compatibility:** Supports double pulley setups, perfect for AC-equipped Grand Wagoneers.
- • **Reliable 100A Power Boost:** Keep your engine energized with consistent high-output performance.
- • **Trusted Quality & Fast Shipping:** Made in the USA with professional build quality and next-day delivery options.

## Overview

The Powermaster 7294 Alternator delivers a robust 100A output tailored for vehicle-specific applications, including dual pulley compatibility for AC-equipped Grand Wagoneers. Manufactured in the USA, it offers professional-grade quality, easy installation, and comes with no core charge or return hassle, backed by fast shipping and strong customer satisfaction.

## Description

Powermaster 7294 Alternator

Review: Good quality! - I was skeptical about buying an alternator from desertcart but after installing it and driving around for 2 weeks, I have zero complaints. Everything works as it should and I bought an open box one for cheap. Power Master is 👍 I drive an ‘84 Camaro Z28 with a 305
Review: Powermaster alternator works, accomodate double pully switch over for Grand Wagoneers with AC! - Powermaster 7294 accepts double pully switch over from origional alternator on Jeep Grand Wagoneers (spindle is long enough). Double pully is necessary for Grand Wagoneers with AC (at least 86-91)! Dozens of alternators sold at autoparts stores and on line say they "fit" full size (FSJ) 5.9 liter Jeep Grand Wagoneers, but beware. Many will not accept the double pully from the old alternator and are useless. The Powermanster alternator was delivered next day by desertcart. Well packaged, has instructions, no core charge or return required, priced reasonably, and it's obviously more professionally produced. Others I tried were either defective or would not take the double pully. If you have Grand Wagoneer with AC, THIS ONE WORKS!!!

## Features

- Package Dimensions: 18.288 H x 23.876 L x 19.812 W (centimeters)
- Fit type: Vehicle Specific
- Country of Origin : United States
- Package Weight: 5.964 kilograms

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001G9G774 |
| Best Sellers Rank | #268,933 in Automotive ( See Top 100 in Automotive ) #827 in Automotive Replacement Alternators |
| Brand Name | Powermaster |
| Color | Natural |
| Customer Reviews | 4.5 4.5 out of 5 stars (221) |
| Date First Available | March 15, 2010 |
| Included Components | Powermaster - Alt GM 12SI Natural 100A 1V Pulley 1 |
| Item Dimensions LxWxH | 8.13 x 7.13 x 7.25 inches |
| Item Package Dimensions L x W x H | 9.29 x 7.72 x 7.24 inches |
| Item Weight | 11 Pounds |
| Manufacturer | Powermaster |
| Material | Plastic |
| Model Name | 7294 |
| Number of Items | 1 |
| Package Weight | 5.96 Kilograms |
| Part Number | 7294 |
| Suggested Users | unisex-adult |
| Warranty Description | Manufacturer Warranty |

## Images

![Powermaster - Alt GM 12SI Natural 100A 1V Pulley 1 or 3 Wire - Image 1](https://m.media-amazon.com/images/I/91Bbwe-PQXL.jpg)

## Questions & Answers

**Q: How many amps is this alt?**
A: 100 Amp. Thanks - Tim.

**Q: Can I get this with a 2 groove pulley?**
A: I'm not sure, but what I did was take the pulley off my old alternator and swap it out with this one. That was for a 1987 Chevy Truck.

**Q: How do you wire it up? 84 Camaro 305 vin H**
A: The same as your stock, nothings different. Did swap out myself and I’m no mechanic!!!

**Q: Does this fit a serpentine belt?  Thanks.**
A: No. The part number for the same alternator with a 6-Groove Serpentine pulley is 7294-104.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality!
*by S***N on April 6, 2025*

I was skeptical about buying an alternator from Amazon but after installing it and driving around for 2 weeks, I have zero complaints. Everything works as it should and I bought an open box one for cheap. Power Master is 👍 I drive an ‘84 Camaro Z28 with a 305

### ⭐⭐⭐⭐⭐ Powermaster alternator works, accomodate double pully switch over for Grand Wagoneers with AC!
*by R***C on March 28, 2022*

Powermaster 7294 accepts double pully switch over from origional alternator on Jeep Grand Wagoneers (spindle is long enough). Double pully is necessary for Grand Wagoneers with AC (at least 86-91)! Dozens of alternators sold at autoparts stores and on line say they "fit" full size (FSJ) 5.9 liter Jeep Grand Wagoneers, but beware. Many will not accept the double pully from the old alternator and are useless. The Powermanster alternator was delivered next day by Amazon. Well packaged, has instructions, no core charge or return required, priced reasonably, and it's obviously more professionally produced. Others I tried were either defective or would not take the double pully. If you have Grand Wagoneer with AC, THIS ONE WORKS!!!

### ⭐⭐⭐⭐⭐ Great upgrade for SBC
*by E***. on June 26, 2024*

Fit perfectly on my 70 SBC. It is an upgrade i should have done a ling time ago. True single wire connection. Does not require reference voltage wire to optimize charging performance per instructions included in the box.

## Frequently Bought Together

- Powermaster 7294 Alternator
- ACDelco Gold PT2288 (88862207) Alternator Connector
- Dorman 85684 GM Black Wire Boot Alternator Universal Fit

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**Shop now:** [https://www.desertcart.nz/products/7532313-powermaster-alt-gm-12si-natural-100a-1v-pulley-1-3](https://www.desertcart.nz/products/7532313-powermaster-alt-gm-12si-natural-100a-1v-pulley-1-3)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-09*