PWR 42-1941 Rack and Pinion Assembly

Hydraulic Rack and Pinion Assembly for Lexus 4Runner and Toyota GX470

The PWR 42-1941 hydraulic rack and pinion assembly is designed specifically for Lexus 4Runner and Toyota GX470 models. Engineered to restore precise steering control, this rack and pinion unit includes inner tie rods and seals to ensure reliable performance.

• Hydraulic type rack and pinion assembly
• Includes inner tie rods and gasket/seal
• End to end length: 1246 mm
• Two mounting holes for secure installation
• Steering input shaft with 36 splines and 19 mm diameter
• Female inlet and outlet line fittings (16 mm and 17 mm respectively)
• Total steering turns lock to lock: 3.1

Detailed Product Description

This PWR rack and pinion assembly (part number 42-1941) is a hydraulic steering component designed for use in Lexus 4Runner and Toyota GX470 vehicles. It features a regular grade type construction with two mounting holes for proper fitment. The assembly includes inner tie rods and a gasket or seal to maintain hydraulic integrity and prevent leaks. The steering input shaft is engineered with 36 splines and a 19 mm diameter to match OEM specifications, ensuring smooth steering response. Both inlet and outlet line fittings are female, measuring 16 mm and 17 mm respectively, facilitating proper hydraulic fluid flow. The total turns from lock to lock is 3.1, providing balanced steering effort and control.

Common Applications and Issues Addressed

• Restores steering precision in Lexus 4Runner and Toyota GX470 models
• Replaces worn or leaking hydraulic rack and pinion assemblies
• Eliminates excessive play or steering wheel vibration
• Resolves hydraulic fluid leaks from seals or fittings
• Improves steering response and handling stability

Installation Notes and Tips

• Mounting hardware and brackets are not included; reuse existing components or source separately
• Verify compatibility with vehicle year and model before installation
• Ensure hydraulic lines are properly connected to female inlet and outlet fittings
• Check steering input shaft spline count and diameter for correct fit
• Bleed the hydraulic steering system after installation to remove air

Quality Assurance and Warranty

The PWR 42-1941 rack and pinion assembly is manufactured to meet OEM specifications for Lexus 4Runner and Toyota GX470 vehicles. It includes a gasket or seal to maintain hydraulic system integrity. While mounting hardware and outer tie rods are not included, the assembly is designed for straightforward replacement of the original component. Warranty details should be confirmed with the supplier or manufacturer to ensure coverage.