BBB Industries 310-0228 Rack and Pinion Assembly

BBB Industries Reman Rack and Pinion for Infiniti

BBB Industries 310-0228 is a hydraulic rack and pinion assembly for select Infiniti steering systems. It is built as a new unit and supplied without the EVO component, with inner tie rods included and OE-style port and shaft dimensions for direct replacement use.

This BBB Industries Reman Rack and Pinion line focuses on steering gear replacement for vehicles that need precise hydraulic steering response and correct factory-style fitment. For Infiniti Q70, Q70L, M37, and M56 applications, 310-0228 is specified for power steering setups with the listed steering configuration notes.

Key Features

• Part number: 310-0228
• Hydraulic rack and pinion assembly
• New unit construction
• Inner tie rods included; outer tie rods not included
• Pressure port thread size: M14x1.50
• Return port thread size: M16x1.50
• Rack length: 44 in. (1117.6 mm)
• Turns lock to lock: 3.063
• Input shaft diameter: 0.682 in. (17.33 mm)
• Distance between mounting holes: 14.125 in.
• Two mounting holes

Detailed Description

BBB Industries 310-0228 is a hydraulic rack and pinion assembly engineered for Infiniti steering applications that require the listed OE-style dimensions and port thread sizes. It measures 44 inches in rack length, uses a 17.33 mm input shaft diameter, and has a 3.063 turns lock-to-lock specification for steering feel that matches the vehicle’s original hydraulic setup. This part number 310-0228 is listed for Infiniti Q70, Q70L, M37, and M56 models with the steering configurations shown in the fitment data.

Cross-reference part numbers include 49001-1MA2A and 49001-1MA2B for the same application.

What This Part Helps Address

• Steering play or looseness in the rack and pinion assembly
• Hydraulic steering fluid leakage at the rack assembly
• Binding, rough steering, or inconsistent steering effort
• Wear in the original steering gear on Infiniti Q70, Q70L, M37, or M56 models
• Replacement needs for a rack and pinion with correct factory-style port and shaft dimensions

Installation Notes and Tips

• Verify vehicle configuration before ordering: Fits 2014-2016 Infiniti Q70, N/A; power steering; part supplied without EVO component; reman rack and pinion.
• Fits 2015-2016 Infiniti Q70L, N/A; power steering; part supplied without EVO component; reman rack and pinion.
• Fits 2013 Infiniti M37, N/A; power steering; without 4 wheel steering; part supplied without EVO component; reman rack and pinion.
• Fits 2011-2013 Infiniti M56, N/A; power steering; 2 wheel steering; part supplied without EVO component; reman rack and pinion.
• Fits 2012 Infiniti M37, N/A; power steering; 2 wheel steering; part supplied without EVO component; reman rack and pinion.
• Fits 2011 Infiniti M37, N/A; power steering; part supplied without EVO component; reman rack and pinion.
• Confirm pressure and return port thread sizes, mounting hole spacing, and input shaft dimensions before installation.
• Professional alignment is recommended after steering gear replacement.

Quality Assurance

BBB Industries remanufactured steering components are built to match the listed application requirements and dimensional specifications for proper vehicle fitment. Part number 310-0228 is cataloged for select Infiniti steering systems, including Infiniti Q70 and Infiniti M37 applications.