BBB Industries N313-0315 Rack and Pinion Assembly

Overview of BBB Industries New Rack and Pinion Assembly

The BBB Industries New Rack and Pinion Assembly (Part Number N313-0315) is designed specifically for Subaru Impreza, WRX, and WRX STI models. This hydraulic rack and pinion unit includes essential components to restore precise steering control and responsiveness.

• Includes bushings and inner tie rods for a complete steering solution
• Hydraulic type rack and pinion assembly for Subaru models
• Input shaft diameter: 0.676 inches (17.158 mm) and length: 3 inches (76.2 mm)
• Rack length measures 49.188 inches (1249.363 mm)
• Pressure port thread size M14x1.50 and return port thread size 16mmx1.5
• Turns lock to lock: 2.75 for responsive steering feel
• New, not remanufactured, ensuring fresh components and reliability

Details on the New Rack and Pinion Product Line

The New Rack and Pinion product line from BBB Industries focuses on delivering brand-new steering assemblies that meet or exceed OEM specifications. This line is engineered to provide consistent hydraulic steering performance and includes necessary bushings and inner tie rods to simplify installation. The N313-0315 part is a direct replacement designed to maintain factory steering geometry and feel for Subaru Impreza, WRX, and WRX STI vehicles.

Technical Description and Features

This rack and pinion assembly features a hydraulic design compatible with the power steering system of Subaru Impreza, WRX, and WRX STI models. The input shaft diameter of 0.676 inches (17.158 mm) and length of 3 inches (76.2 mm) ensure proper fitment and connection to the steering column. The rack length of 49.188 inches (1249.363 mm) matches OEM specifications for accurate steering response. Thread sizes for pressure and return ports are M14x1.50 and 16mmx1.5 respectively, facilitating proper hydraulic line connections. The assembly includes bushings and inner tie rods but does not include outer tie rods, allowing for partial reuse of existing components if desired. The 2.75 turns lock to lock ratio provides a balance between steering precision and ease of control.

Common Applications and Problem Resolution

• Restores steering precision and eliminates excessive play in Subaru Impreza, WRX, and WRX STI
• Replaces worn or leaking hydraulic rack and pinion assemblies
• Addresses uneven steering effort or stiffness due to damaged internal components
• Corrects fluid leaks from pressure or return ports
• Improves overall steering response and vehicle handling

Installation Notes and Tips

• Verify compatibility with Subaru Impreza, WRX, or WRX STI model year before installation
• Ensure hydraulic lines match M14x1.50 pressure and 16mmx1.5 return port threads
• Replace inner tie rods included with the assembly; inspect outer tie rods for wear
• Check input shaft dimensions (0.676" diameter, 3" length) for proper steering column fit
• Bleed the power steering system thoroughly after installation to remove air

Quality Assurance and Warranty

BBB Industries provides this New Rack and Pinion Assembly as a new, not remanufactured, component to ensure reliability and performance. The assembly is manufactured to meet OEM standards for fit and function. While specific warranty details are not provided here, BBB Industries typically offers limited warranties on new steering components to cover defects in materials and workmanship.