PSC PK4 High Performance Electric Power Steering Pump Kit, Jeep Wrangler JL 4XE (21-25)

PSC has got something new for your Jeep 4XE customers: PSC’s High-Performance Electric Power Steering Pump KIT. This isn’t just an upgrade—it’s a serious step up. PSC has bumped pressure up to 1800 PSI (factory is only 1450 PSI), so it’s ready for Cylinder Assist® systems. PSC’s exclusive Cylinder Assist® software mapping keeps steering smooth and predictable at any speed—whether you’re crawling rocks or cruising the highway. And the best part? It’s a direct bolt-in, plug-and-play install. Key Highlights:

Replaces:

Features

• Hybrid-Ready: Designed specifically for the JL 4XE platform. Cool Under Pressure: Cooler kit keeps temps in check during heavy use. Premium Fluid: Includes PSC TRU BLUE® for a fresh start.
• 1800 PSI for serious steering power
• Optimized for big tires and off-road setups
• Direct bolt-in design—no headaches
• Designed for PSC Cylinder Assist®
• MOPAR 68529426AB
• MOPAR 68529426AC

Specifications

• Part Number: PK4
• Pump: ESP5203 Electric Power Steering Pump (4XE-specific) Cooler: CK226 Cooler Kit for JL/JT E-Torque Engines Fluid: PSC TRU BLUE® Ultra High-Performance Power Steering Fluid (3 quarts) Flush: PSC 729 Premium Flushing Fluid (2 quarts)
• OEM cross reference: MOPAR 68529426AB; MOPAR 68529426AC

Installation Notes

• This isn’t a quick swap—plan for proper routing and flushing. The kit includes PSC 729 flushing fluid to prep your system before filling with TRU BLUE®.

Fitment

• 2021-2025 Jeep Wrangler JL 4XE

What’s Included

• (1) CK226: Cooler Kit for JL/JT E-Torque Engines (1) ESP5203: Jeep 4XE EHPS Pump (3) FL-PSC8061: PSC TRU BLUE® Ultra High-Performance Power Steering Fluid (32 oz each)