BBB Industries 312-0112 Rack and Pinion Assembly

Overview of BBB Industries Reman Rack and Pinion Assembly

The BBB Industries Reman Rack and Pinion Assembly 312-0112 is designed for precise steering control in select Audi and Volkswagen models. This remanufactured hydraulic rack and pinion unit is engineered to meet OEM specifications, ensuring reliable performance for your Audi A4, A4 Quattro, or Volkswagen Passat.

• Remanufactured hydraulic rack and pinion assembly
• Compatible with Audi A4, A4 Quattro, and Volkswagen Passat
• Includes inner tie rods; outer tie rods not included
• Distance between mounting holes: 20.13 inches (511.3 mm)
• Input shaft diameter: 0.75 inches (19.05 mm), length: 1.5 inches (38.1 mm)
• Rack length: 40.625 inches (1031.9 mm)
• Pressure port thread size: M14x1.50; return port thread size: M16x1.50
• Turns lock to lock: 2.813
• Three mounting holes for secure installation

Reman Rack and Pinion Product Line Details

The Reman Rack and Pinion line from BBB Industries focuses on providing remanufactured steering components that meet strict quality standards. This product line offers a cost-effective alternative to new parts while maintaining the durability and fitment required for proper steering function. The 312-0112 assembly is part of this line, delivering a hydraulic rack and pinion solution compatible with specific Audi and Volkswagen vehicles.

Technical Description and Specifications

This rack and pinion assembly features a hydraulic design suitable for power steering systems in the Audi A4, A4 Quattro, and Volkswagen Passat. The unit includes inner tie rods but does not come with bushings or outer tie rods. The input shaft measures 0.75 inches in diameter and 1.5 inches in length, designed to fit the steering column precisely. The rack length is 40.625 inches, with a mounting hole spacing of 20.13 inches, ensuring proper alignment during installation. Thread sizes for the pressure and return ports are M14x1.50 and M16x1.50 respectively, matching OEM specifications. The steering ratio is reflected in the 2.813 turns lock to lock, providing responsive steering feel.

Common Applications and Problem Resolution

• Restores steering precision in Audi A4, A4 Quattro, and Volkswagen Passat models
• Replaces worn or leaking hydraulic rack and pinion assemblies
• Addresses excessive play or looseness in steering
• Eliminates steering noise caused by damaged internal components
• Corrects uneven or difficult steering response

Installation Notes and Tips

• Verify compatibility with vehicle make and model before installation
• Ensure all mounting holes align properly with chassis points
• Check input shaft dimensions to confirm fit with steering column
• Bleed the hydraulic power steering system thoroughly after installation
• Inspect inner tie rods and replace outer tie rods if necessary

Quality Assurance and Warranty

BBB Industries remanufactured rack and pinion assemblies undergo rigorous testing to meet OEM standards for fit, form, and function. The 312-0112 part number is backed by BBB Industries' quality control processes, ensuring reliable performance. Warranty coverage details should be confirmed with the point of purchase or BBB Industries directly.