HomeSteering > Steering, Gear and Related ComponentsBBB Industries 503-0156 Steering Gear
Part #: 503-0156

BBB Industries 503-0156 Steering Gear

Reman Steering Gear
8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Reman Steering Gear
Fitment: Chevrolet and GMC, Astro and Safari
Easy Returns — Return within 60 days for a full refund
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Overview of BBB Industries Reman Steering Gear 503-0156

The BBB Industries Reman Steering Gear 503-0156 is designed specifically for Chevrolet Astro and GMC Safari models. This remanufactured electric steering gear offers precise fitment and reliable performance for your vehicle's steering system.

  • Remanufactured electric steering gear for Chevrolet Astro and GMC Safari
  • Output shaft diameter: 1.25 inches (31.75 mm)
  • Input shaft diameter: 0.72 inches (18.29 mm)
  • Input shaft spline count: 26
  • Output shaft spline count: 32
  • Inlet size: M18x1.50
  • Outlet size: M16x1.50
  • Pressure port thread size: M18x1.50
  • Return port thread size: M16x1.50
  • Three mounting holes for secure installation
  • Installation kit included
  • Turns lock to lock: 2.813

Details on the Reman Steering Gear Product Line

The Reman Steering Gear line from BBB Industries focuses on remanufactured steering components that meet strict quality standards. This product line ensures that each steering gear is rebuilt to original equipment specifications, providing a cost-effective alternative to new parts without compromising on fit or function. The 503-0156 steering gear is part of this line, offering a reliable replacement for electric steering systems in select GM vans.

Technical Description and Specifications

The 503-0156 steering gear features an electric power assist design, suitable for Chevrolet Astro and GMC Safari vehicles. It includes a 1.25-inch (31.75 mm) output shaft diameter and a 0.72-inch (18.29 mm) input shaft diameter, with spline counts of 32 and 26 respectively. The inlet and pressure port thread sizes are M18x1.50, while the outlet and return port thread sizes are M16x1.50, ensuring compatibility with factory hydraulic lines. The unit mounts securely with three mounting holes and includes an installation kit for convenience. The steering gear offers 2.813 turns lock to lock, providing responsive steering control.

Common Applications and Problem Resolution

  • Replacement for worn or leaking steering gear in Chevrolet Astro and GMC Safari
  • Restores proper steering response and reduces play or looseness
  • Addresses hydraulic leaks from pressure or return ports
  • Corrects steering effort issues related to electric power assist failure
  • Resolves mounting or alignment problems due to damaged steering gear

Installation Notes and Tips

Installation of the BBB Industries Reman Steering Gear 503-0156 should be performed by a qualified technician familiar with electric power steering systems. The included installation kit contains necessary hardware to ensure proper fitment. Verify all hydraulic connections match the M18x1.50 and M16x1.50 thread sizes before assembly. After installation, check for leaks and confirm steering wheel turns lock to lock at approximately 2.813 turns. Proper alignment and torque specifications should be followed to maintain vehicle safety and performance.

Quality Assurance and Warranty

BBB Industries remanufactured steering gears undergo rigorous testing to meet OEM standards. Each unit is inspected for dimensional accuracy, hydraulic integrity, and functional performance. The 503-0156 part number is backed by BBB Industries' quality assurance protocols, providing confidence in durability and reliability. Warranty coverage details should be confirmed at the point of purchase.

BrandBBB Industries
Part Number503-0156
PositionReman Steering Gear
Inlet SizeM18X1.50
Input Shaft Diameter0.72
Input Shaft Diameter18.29
Input Shaft Spline Count26
Installation Kit IncludedYes
Manual or PowerElectric
New or RemanufacturedRemanufactured
Number of Mounting Holes3
Outlet SizeM16X1.50
Output Shaft Diameter1.25
Output Shaft Diameter31.75
Output Shaft Spline Count32
Pressure Port Thread SizeM18X1.50
Return Port Thread SizeM16X1.50
Turns Lock To Lock2.813

This part fits 8 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2002ChevroletAstroRWDN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
2002GMCSafariRWDN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
2001ChevroletAstroRWDN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
2001GMCSafariRWDN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
2000ChevroletAstroRWDN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
2000GMCSafariRWDN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1999ChevroletAstroRWDN/APower Steering; w/o Ride & Handling Suspension (FE2) 2nd Design) w/ Production Code BM; Reman Steering Gear
1999GMCSafariRWDN/APower Steering; w/o Ride & Handling Suspension (FE2) 2nd Design) w/ Production Code BM; Reman Steering Gear

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1574957919321401

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.