PSL900 Posi-Lok Axle Shaft Disconnect Conversion For Jeep Wrangler YJ XJ MJ 4x4

PSL900 Posi-Lok Axle Shaft Disconnect Conversion for Jeep Wrangler YJ, XJ, MJ 4x4

This Posi-Lok cable actuator kit converts the factory vacuum-operated front axle disconnect to a reliable manual engagement system for the Dana 30 front axle, referencing PSL900.

Overview

The PSL900 Posi-Lok axle shaft disconnect conversion eliminates the failure-prone vacuum motor and shifts the front axle disconnect with a dash-mounted cable control. Designed for off-road enthusiasts and daily drivers, this conversion kit provides instant 2WD-to-4WD engagement and improved reliability on Jeep Wrangler YJ, Cherokee XJ, and Comanche MJ 4x4 vehicles. The Posi-Lok axle shaft disconnect conversion restores full control over the front axle disconnect system, even under water or mud conditions where factory vacuum systems fail.

Built For Performance

• Replaces the vacuum disconnect motor with a durable push-pull cable actuator
• Manual engagement lever provides positive mechanical control of the axle disconnect collar
• Allows 2WD low-range operation for improved maneuverability on tight trails
• Cable housing resists corrosion, dirt, and moisture for consistent performance
• All required brackets, hardware, and detailed installation instructions included
• Eliminates reliance on engine vacuum, ensuring engagement at any altitude or engine load

Fits These Machines

• for Jeep Wrangler YJ (1987-1995) with Dana 30 vacuum disconnect axle
• for Jeep Cherokee XJ (1984-1996) with Dana 30 vacuum disconnect axle
• for Jeep Comanche MJ (1986-1992) with Dana 30 vacuum disconnect axle

On-The-Job Use

• Trail and rock crawling where reliable 4WD engagement is critical
• Mud, snow, and water crossings where vacuum systems fail
• Street-driven Jeeps that need dependable axle disconnect for 2WD fuel savings
• Farm or ranch work requiring low-speed 2WD maneuvering

Specs At A Glance

Good To Know

Q: Does this kit include the Posi-Lok cable and handle? A: Yes, the PSL900 kit includes the complete cable assembly, dash-mounted handle, bracket hardware, and axle shift fork components needed for installation.

Q: Will this conversion work with aftermarket axle shafts? A: The Posi-Lok conversion is designed for the factory Dana 30 vacuum disconnect system and will function with most stock-length axle shafts, but confirm shaft diameter and spline count before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.