BBB Industries N103-0259 Rack and Pinion Assembly

New Rack and Pinion for GM Trucks and SUVs

BBB Industries New Rack and Pinion N103-0259 is a hydraulic steering gear assembly for select Cadillac, Chevrolet, and GMC applications. It is built as a new unit with inner tie rods included, bushings included, and a 4-bolt mounting layout for direct replacement service.

Compatible with power steering vehicles across the 2007-2014 model years, this rack and pinion assembly supports precise steering response for full-size SUVs and light-duty trucks such as the Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon. Part number N103-0259 is also a fitment-based search match for Silverado 1500 and Sierra 1500 models equipped with the Z60 package.

Key Features

• Brand: BBB Industries New Rack and Pinion line
• Part number: N103-0259
• New hydraulic rack and pinion assembly
• Inner tie rods included
• Bushings included
• 4 mounting holes with 4.38 in. mounting-hole spacing
• Input shaft diameter: 0.75 in. (19.05 mm)
• Input shaft length: 2.25 in. (57.15 mm)
• Rack length: 54.75 in. (1390.65 mm)
• Pressure and return port thread size: 12 mm
• Turns lock to lock: 3.25

Product Details

The BBB Industries New Rack and Pinion product line focuses on replacement steering components built for direct-fit service. This hydraulic rack assembly is specified with a 54.75-inch rack length, 12 mm pressure and return ports, and a 3.25-turn lock-to-lock ratio. It is a new rack and pinion assembly, not remanufactured, and it includes inner tie rods and bushings for a more complete steering gear replacement.

This part cross-references OE numbers 19153072 and 19178560 for the same application. Search terms such as 2007-2014 Cadillac Escalade rack and pinion, 2007-2014 Chevrolet Tahoe steering gear, and 2007-2014 GMC Yukon hydraulic rack assembly align with this application. N103-0259 is also referenced for 2007-2013 Chevrolet Silverado 1500 and GMC Sierra 1500 models with power steering and the Z60 package.

What This Part Helps Address

• Excessive steering play or loose steering feel
• Fluid leakage from the steering gear assembly
• Uneven or inconsistent steering response
• Internal wear in the rack and pinion mechanism
• Noise or binding during steering input

Installation Notes and Tips

• Confirm hydraulic steering system configuration before ordering.
• Verify mounting-hole spacing, input shaft dimensions, and port thread size against the original unit.
• Inspect power steering lines, fluid condition, and related front-end components during replacement.
• Perform a professional wheel alignment after installation.
• Bleed the hydraulic system thoroughly to remove air from the steering circuit.

Quality Assurance

BBB Industries supplies this as a new steering assembly for direct replacement use. Confirm vehicle-specific fitment by year, make, model, and steering configuration before installation.