---
product_id: 7646043
title: "ACDelco Professional C603Z (12336870) Current and Voltage Regulator"
brand: "acdelco"
price: "C$7367"
currency: NIO
in_stock: true
category: "Ac Delco"
url: https://www.desertcart.ni/products/7646043-acdelco-professional-c603z-12336870-current-and-voltage-regulator
store_origin: NI
region: Nicaragua
---

# Precise voltage control Vehicle-specific fit Made in USA quality ACDelco Professional C603Z (12336870) Current and Voltage Regulator

**Brand:** acdelco
**Price:** C$7367
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your ride with precision and confidence!

## Quick Answers

- **What is this?** ACDelco Professional C603Z (12336870) Current and Voltage Regulator by acdelco
- **How much does it cost?** C$7367 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/7646043-acdelco-professional-c603z-12336870-current-and-voltage-regulator)

## Best For

- acdelco enthusiasts

## Why This Product

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

## Key Features

- • **Proudly Made in the USA:** Crafted with precision and quality assurance for long-lasting durability.
- • **Noise-Free Power Delivery:** Advanced radio noise control for uninterrupted audio and electronics performance.
- • **Tailored Fit, Zero Hassle:** Vehicle-specific design ensures seamless installation and perfect compatibility every time.
- • **Engineered for Peak Performance:** Delivers stable voltage to keep your vehicle’s electrical system flawless under all conditions.
- • **Premium Aftermarket Reliability:** Built to meet OEM standards, providing dependable power regulation you can trust.

## Overview

The ACDelco Professional C603Z Voltage Regulator is a premium aftermarket replacement designed to maintain optimal voltage levels in your vehicle’s electrical system. Engineered for a perfect fit and reliable performance, it ensures stable battery charging, smooth engine starts, and noise-free power delivery to your accessories. Trusted by professionals and crafted in the USA, this regulator keeps your vehicle running exactly as intended.

## Description

An ACDelco Professional, premium aftermarket Voltage Regulator is a high quality replacement for many vehicles on the road today. It monitors the proper voltage to your vehicle's critical systems as the starting and charging system starts the engine, maintains the battery's charge, and provides power to the electrical accessories while the engine is running. An ACDelco Professional Voltage Regulator provides outstanding radio noise control for better performance, delivers needed system voltage, and provides the proper fit and function to let your vehicle run the way it was designed. This premium aftermarket replacement voltage regulator is manufactured to meet your expectations for fit, form, and function.

## Features

- professional, premium aftermarket replacement
- provides the performance and dependability you expect from acdelco
- manufactured to meet expectations for fit, form, and function
- Fit type: Vehicle Specific

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000C9QI96 |
| Best Sellers Rank | #276,730 in Automotive ( See Top 100 in Automotive ) #45 in Automotive Replacement Alternator Voltage Regulators |
| Brand | ACDelco |
| Customer Reviews | 4.4 4.4 out of 5 stars (260) |
| Date First Available | July 31, 2007 |
| Exterior | Painted |
| Item Weight | 5.6 ounces |
| Item model number | C603Z |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 12336870 |
| Model | ACDelco - Voltage Regulat (B) (C603Z) |
| OEM Part Number | 12336870 |
| Product Dimensions | 4.7 x 2 x 4.1 inches |

## Images

![ACDelco Professional C603Z (12336870) Current and Voltage Regulator - Image 1](https://m.media-amazon.com/images/I/71e7fNK84oL.jpg)

## Questions & Answers

**Q: What are the signs of a failing alternator?**
A: Common signs of a failing alternator include dashboard warning lights, electrical issues like overly bright or flickering lights, frequently dying battery, whining, grinding or squealing engine sounds, or stalling or struggling to start the vehicle.

**Q: Is the solenoid included?**
A: Yes. GM Genuine Parts and ACDelco Starters include a solenoid compatible with the unit.

**Q: Will GM Genuine Parts and ACDelco Alternators and Starters withstand a wide range of weather conditions?**
A: Yes. GM Genuine Parts and ACDelco Alternators and Starters are designed to withstand a wide range of weather conditions.

**Q: Do all alternators supply the same amperage?**
A: No. Some vehicles require more amperage than others depending on the amount of electronics that need to be operated. Consult your vehicle Owner’s Manual for more information.

**Q: Can a bad alternator damage my battery or other electrical components?**
A: Yes. The alternator keeps the battery charged and operating correctly. A failing alternator can overwork the vehicle’s battery and lead to permanent electrical damage if not addressed.

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**Shop now:** [https://www.desertcart.ni/products/7646043-acdelco-professional-c603z-12336870-current-and-voltage-regulator](https://www.desertcart.ni/products/7646043-acdelco-professional-c603z-12336870-current-and-voltage-regulator)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-10-23*