BBB Industries 503-0190 Steering Gear

Reman Steering Gear for Heavy-Duty GM Trucks

BBB Industries Reman Steering Gear 503-0190 is a remanufactured electric steering gear built for select Chevrolet Silverado HD and GMC Sierra HD trucks. It is specified for vehicles without Variable Assisted Steering, including applications with RPO code NV8 excluded, and it includes an installation kit.

Key Features

• Brand: BBB Industries Reman Steering Gear
• Part number: 503-0190
• Remanufactured electric steering gear
• Fits power steering applications on select Silverado HD and Sierra HD models
• Installation kit included
• 3 mounting holes
• Turns lock to lock: 3.62 or 3.5
• Pressure port thread size: M18x1.50
• Return port thread size: M16x1.50
• Output shaft spline count: 40

Product Details

BBB Industries Reman Steering Gear 503-0190 is a reman steering gear assembly for heavy-duty GM trucks that use electric steering and do not have Variable Assisted Steering. It is built around the listed OE-style dimensions, including a 1.65 in. output shaft diameter, 0.65 in. input shaft diameter, M18x1.50 inlet, and M16x1.50 outlet. This part cross-references OE numbers such as 19153560 and 19256662 for the same application. The BBB Industries Reman Steering Gear line focuses on remanufactured steering components for direct replacement service on GM truck platforms.

Vehicle Fitment

• Fits 2021 Chevrolet Silverado 2500 HD, w/o Variable Assisted Steering (Exc. RPO Code NV8); Reman Steering Gear
• Fits 2021 Chevrolet Silverado 3500 HD, w/o Variable Assisted Steering (Exc. RPO Code NV8); Reman Steering Gear
• Fits 2021 GMC Sierra 2500 HD, w/o Variable Assisted Steering (Exc. RPO Code NV8); Reman Steering Gear
• Fits 2021 GMC Sierra 3500 HD, w/o Variable Assisted Steering (Exc. RPO Code NV8); Reman Steering Gear
• Fits 2016-2020 Chevrolet Silverado 2500 HD, Power Steering; w/o Variable Assisted Steering (Exc. RPO Code NV8); Reman Steering Gear
• Fits 2016-2020 Chevrolet Silverado 3500 HD, Power Steering; w/o Variable Assisted Steering (Exc. RPO Code NV8); Reman Steering Gear
• Fits 2016-2020 GMC Sierra 2500 HD, Power Steering; w/o Variable Assisted Steering (Exc. RPO Code NV8); Reman Steering Gear
• Fits 2016-2020 GMC Sierra 3500 HD, Power Steering; w/o Variable Assisted Steering (Exc. RPO Code NV8); Reman Steering Gear
• Fits 2011-2015 Chevrolet Silverado 2500 HD, Compatible with vehicles equipped with power steering.; Reman Steering Gear
• Fits 2011-2015 Chevrolet Silverado 3500 HD, Compatible with vehicles equipped with power steering.; Reman Steering Gear
• Fits 2011-2015 GMC Sierra 2500 HD, Compatible with vehicles equipped with power steering.; Reman Steering Gear
• Fits 2011-2015 GMC Sierra 3500 HD, Compatible with vehicles equipped with power steering.; Reman Steering Gear

Common Repair Uses

• Steering play or looseness in the wheel
• Uneven or delayed steering response
• Fluid leakage at the steering gear
• Excessive steering effort in power steering systems
• Wear-related steering gear noise or binding

Installation Notes

Verify the vehicle is equipped with power steering and does not use Variable Assisted Steering before ordering. Confirm the OE number, port thread sizes, mounting hole count, and shaft dimensions against the original unit. The included installation kit supports replacement service, and the steering system should be inspected for contamination, hose condition, and alignment after installation. Part number 503-0190 is listed for select Chevrolet Silverado HD and GMC Sierra HD trucks, so matching the exact model year and steering configuration is essential.

Quality Assurance

BBB Industries reman steering components are rebuilt for replacement service using application-specific specifications and dimensional checks for the listed GM truck fitments. Part number 503-0190 is a remanufactured steering gear for direct service use on the confirmed applications above.