4WD Actuator And Wiring Harness Upgrade Kit - Dorman (600-490)
4WD Actuator And Wiring Harness Upgrade Kit - Dorman (600-490)
- Sale Price: $171.25
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Key Product Benefits
- 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
- Ready to install – Includes a wiring harness for straightforward installation
- Generous length – The included wiring harness measures 98.5 inches, providing ample reach for proper routing and fitment across a range of Chevrolet and GMC truck models
- Mounting Hardware - Please note, mounting hardware is not included with this kit. Be sure to retain or source the necessary hardware during installation.
- 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
Drop Ship
Direct Shipping From Supplier [*]
Some products available are shipped directly from the manufacturer or supplier rather than from our own warehouse. This allows us to offer you a wider selection of parts at competitive prices. When an item shows "Drop Ship" the supplier currently has it in stock and it will typically ship within 1–2 business daysAdditional Information
| Brand | Dorman - OE Solutions |
| Connector Gender | Male & Female |
| Connector Shape | Rectangle |
| Four Wheel on Demand Conversion | Yes |
| Housing Material | Plastic |
| Mounting Hardware Included | No |
| Package Contents | 1 4WD Actuator; 1 Wiring Harness |
| Terminal Gender | Male & Female |
| Terminal Quantity | 3 |
| Terminal Type | Pin |
| UPC | 00019495548270 |
| Wiring Harness Included | Yes, Wiring Harness Length: 98.5 in |
| Wiring Harness Length | 98.5 in |
| Package Quantity | 1 |
| Packaging Type | Box |
Also Purchased
Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
Details
- Brand:
- SKU:
600-490
- GTIN: 00019495548270
- UPC: 019495548270
- Description:
The 4WD systems on many older Chevrolet and GMC trucks utilize a thermal differential actuator which is prone to sluggishness and failure when the wax that drives the actuator piston ages and deteriorates, ultimately disabling the 4WD system. This convenient 4WD differential actuator upgrade kit contains the key components required to easily replace the original equipment thermal actuator with a faster-acting electric actuator designed to provide longer, more reliable service. The kit contains our part number 600-101 4WD electric actuator and our part number 600-600 4WD actuator harness, both of which are carefully engineered to precise specifications to update an old technology thermally-activated differential to a more efficient electric differential on specified GM vehicle makes, models and years.
The kit contains our part number 600-101 4WD electric actuator and our part number 600-600 4WD actuator harness, both of which are carefully engineered to precise specifications to update an old technology thermally-activated differential to a more efficient electric differential on specified GM vehicle makes, models and years.
4WD ACTUATOR UPGRADE KIT
Chevrolet 1996-88, GMC 1996-88
4WD, Actuator, Four, Wheel, Drive, Actuators
Differential ActuatorThis kit addresses a common issue found in many older Chevrolet and GMC 4WD systems, which originally used a thermal differential actuator. Over time, the wax inside these actuators can deteriorate, causing slow engagement or outright failure of the 4WD system. The upgrade kit replaces the outdated thermal design with a faster-acting, more reliable electric actuator, restoring dependable 4WD operation. Engineered to precise specifications, the components are designed for an easy installation and a long service life—making it a smart, lasting fix for trucks suffering from 4WD engagement problems.
Application Summary:
Designed specifically for Chevrolet and GMC trucks from 1988 through 1996, this kit is the ideal solution for replacing sluggish or failed thermal actuators. Whether you’re restoring 4WD function to your workhorse pickup or upgrading to modern performance, this upgrade kit ensures compatibility and reliable operation across these popular models.
Terminal Information
The actuator features a total of three terminals, ensuring secure and reliable connectivity within your vehicle’s 4WD system. This three-pin setup matches original equipment specifications for compatibility and straightforward installation, making it an easy fit for your Chevrolet or GMC application.
Four Wheel on Demand Compatibility
Yes, this 4WD actuator kit is engineered for four wheels on demand conversion. By upgrading from the older thermal actuator to a fast-response electric design, it enables prompt engagement of four-wheel drive whenever you need it—ideal for those GM and Chevy trucks that switch between 2WD and 4WD on the fly. Whether you're navigating tough trails or slick streets, this kit delivers reliable, on-demand shifting to keep you moving with confidence.Housing Material
The housing for this 4WD actuator is constructed from durable plastic, providing reliable protection against harsh elements and ensuring long-lasting performance in demanding environments. Plastic housings are commonly used in automotive applications due to their resistance to corrosion and lightweight design.Installation Instructions & Technical Support
Need a hand with installation or looking for further guidance? You’re covered. Comprehensive installation instructions are available for this 4WD actuator upgrade kit, ensuring a straightforward installation process. If you hit any bumps along the way or have technical questions, dedicated support is just a call or email away. Reach out to expert technicians who know these systems inside and out—they’re ready to provide the assistance you need to get back on (or off) the road with confidence.
Phone: 1-866-933-2911
Email: [email protected] - Condition: New
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WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov