---
product_id: 525204962
title: "Dorman 600-490 4WD Actuator Compatible with Select Chevrolet/GMC Models"
brand: "dorman"
price: "$283.34"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/525204962-dorman-600-490-4wd-actuator-compatible-with-select-chevrolet-gmc
store_origin: US
region: United States of America
---

# Electric actuator upgrade Fits 1988-1996 Chevy/GMC models Complete repair kit included Dorman 600-490 4WD Actuator Compatible with Select Chevrolet/GMC Models

**Brand:** dorman
**Price:** $283.34
**Availability:** ✅ In Stock

## Summary

> ⚡ Electrify your 4WD game—because slow is so last decade!

## Quick Answers

- **What is this?** Dorman 600-490 4WD Actuator Compatible with Select Chevrolet/GMC Models by dorman
- **How much does it cost?** $283.34 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/525204962-dorman-600-490-4wd-actuator-compatible-with-select-chevrolet-gmc)

## Best For

- dorman enthusiasts

## Why This Product

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

## Key Features

- • **Revive Your 4WD System:** Replace failing thermal actuators and restore full 4WD functionality with cutting-edge tech.
- • **Precision Fit Guarantee:** Use our garage tool to ensure perfect compatibility with your Chevy or GMC model years 1988-1996.
- • **Trusted American Quality:** Backed by Dorman’s century-plus automotive expertise for reliable, long-lasting performance.
- • **All-in-One Installation Kit:** Includes both actuator and harness—no extra parts needed, no downtime wasted.
- • **Lightning-Fast 4WD Response:** Upgrade from sluggish thermal to instant electric actuation for seamless off-road control.

## Overview

The Dorman 600-490 4WD Actuator is a direct replacement kit designed to upgrade older Chevrolet and GMC trucks' thermal differential actuators to a faster, more reliable electric system. Compatible with select models from 1988 to 1996, this kit includes both the electric actuator and harness, ensuring a precise fit and restoring full 4WD functionality with trusted Dorman quality.

## Description

Dorman 600-490 4WD Actuator Compatible with Select Chevrolet/GMC Models

## Features

- Upgraded repair - this 4WD differential actuator upgrade kit is designed to update a thermally activated differential to a more efficient electric differential on specified Chevrolet and GMC trucks
- Complete solution - this kit includes a 4WD electric actuator and 4WD actuator harness, the key components required to update a 4WD differential
- Updated technology - effective replacement for an old technology original equipment thermal differential actuator that is sluggish or has failed, disabling the 4WD system
- Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Dorman Products |
| Brand | Dorman |
| Model | Dorman 600-490 |
| Product Dimensions | 24.99 x 7.49 x 25.4 cm; 639.57 g |
| Item model number | 600-490 |
| Manufacturer Part Number | 600-490 |
| OEM Part Number | 26013495; 26060073; 88959465 |
| Item Weight | 640 g |

## Images

![Dorman 600-490 4WD Actuator Compatible with Select Chevrolet/GMC Models - Image 1](https://m.media-amazon.com/images/I/81AvJ2X8ryL.jpg)

## Frequently Bought Together

- Dorman 600-490 4WD Actuator Compatible with Select Chevrolet/GMC Models
- Dorman 600-502 Transfer Case Switch Compatible with Select Cadillac / Chevrolet / GMC Models
- Dorman 600-506 Transfer Case Switch Compatible with Select Cadillac / Chevrolet / GMC Models

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/525204962-dorman-600-490-4wd-actuator-compatible-with-select-chevrolet-gmc](https://www.desertcart.us/products/525204962-dorman-600-490-4wd-actuator-compatible-with-select-chevrolet-gmc)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-04-26*