BBB Industries 311-0179 Rack and Pinion Assembly

Overview of BBB Industries Reman Rack and Pinion 311-0179

The BBB Industries Reman Rack and Pinion Assembly 311-0179 is designed for precise steering control in select Lexus models. This remanufactured hydraulic rack and pinion unit is engineered to restore steering performance and reliability for Lexus GS300, GS400, GS430, and SC430 vehicles.

• Remanufactured hydraulic rack and pinion assembly
• Includes bushings and inner tie rods for comprehensive replacement
• Rack length of 44.375 inches (1127.125 mm) for exact fitment
• Input shaft diameter of 0.75 inches (19.05 mm) and length of 1.688 inches (42.863 mm)
• Distance between mounting holes: 2.56 inches (65.024 mm) with 2 mounting holes
• Pressure port thread size M16x1.50 and return port thread size M17x1.50
• 3.375 turns lock to lock for responsive steering feel

Details on the Reman Rack and Pinion Product Line

The Reman Rack and Pinion line from BBB Industries focuses on providing remanufactured steering components that meet OEM specifications. Each unit undergoes a thorough rebuilding process to ensure hydraulic functionality and durability. This product line is tailored to deliver reliable steering performance while offering a cost-effective alternative to new assemblies.

Technical Description and Specifications

This rack and pinion assembly features a hydraulic design compatible with the power steering system of Lexus GS300, GS400, GS430, and SC430 models. The assembly includes bushings and inner tie rods, but does not include outer tie rods. The input shaft measures 0.75 inches in diameter and 1.688 inches in length, ensuring proper engagement with the steering column. The rack length of 44.375 inches allows for a precise fit within the vehicle’s steering system. Mounting is secured via two holes spaced 2.56 inches apart. Thread sizes for pressure and return ports are M16x1.50 and M17x1.50 respectively, matching factory specifications. The steering ratio provides 3.375 turns lock to lock, maintaining the original steering responsiveness.

Common Applications and Problem Resolution

• Restores steering precision in Lexus GS300, GS400, GS430, and SC430
• Addresses hydraulic steering leaks and pressure loss
• Eliminates excessive play or looseness in steering
• Corrects uneven or difficult steering effort
• Replaces worn or damaged rack and pinion components

Installation Notes and Tips

Ensure compatibility with the specific Lexus model and year before installation. Verify that the mounting hole spacing and input shaft dimensions match the vehicle’s steering system. Since this assembly includes bushings and inner tie rods, inspect outer tie rods separately for wear. Properly torque mounting bolts to manufacturer specifications and bleed the hydraulic system after installation to remove air and ensure optimal steering performance.

Quality Assurance and Warranty

BBB Industries remanufactured rack and pinion assemblies are rebuilt to meet or exceed OEM standards. Each unit undergoes rigorous testing to confirm hydraulic integrity and mechanical function. While specific warranty details are not provided here, BBB Industries typically offers limited warranties on remanufactured steering components. Consult product documentation or the manufacturer for exact warranty terms.