600-490 4WD Actuator for Chevy GMC Blazer Yukon Tahoe K1500 K2500 K3500 1988-96

Product Overview

This aftermarket replacement 4WD actuator is intended for the listed Chevy and GMC Blazer, Yukon, Tahoe, K1500, K2500, and K3500 applications and cross-references part number 600-490. A 4WD actuator engages or disengages the front axle disconnect so the four-wheel-drive system can operate as designed. It is supplied as a replacement for the corresponding original component on the applications named in the title.

Key Features & Performance

• Engages and disengages the front axle disconnect to support normal four-wheel-drive operation
• Cross-references part number 600-490 for comparison with the existing component
• Intended for the listed Chevy and GMC Blazer, Yukon, Tahoe, K1500, K2500, and K3500 applications
• Serves as the replacement component when the original actuator is worn, damaged, or no longer functioning

Fitment & Compatibility

• for Chevy Blazer applications
• for GMC Yukon applications
• for Chevy Tahoe applications
• for Chevy K1500 applications
• for Chevy K2500 applications
• for Chevy K3500 applications
• for GMC K1500 applications
• for GMC K2500 applications
• for GMC K3500 applications

Common Uses

• Replacing a worn, damaged, or malfunctioning front axle disconnect actuator
• Servicing the four-wheel-drive engagement system during routine maintenance
• Restoring normal four-wheel-drive function after the original actuator has failed

Technical Specifications

• Product Type: 4WD actuator
• Part Number: 600-490
• Model Application(s): Chevy Blazer, GMC Yukon, Chevy Tahoe, Chevy K1500, Chevy K2500, Chevy K3500, GMC K1500, GMC K2500, GMC K3500
• General Application: 1988-96 models as listed

Frequently Asked Questions

Q: What does a 4WD actuator do? A: A 4WD actuator engages or disengages the front axle disconnect so the vehicle can switch between two-wheel drive and four-wheel drive.

Q: How should fitment be verified? A: Compare the complete existing part number and the full vehicle model designation, including year and drivetrain details, against the information in this listing before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.