HomeSteering > Steering, Gear and Related ComponentsBBB Industries 503-0177 Steering Gear
Part #: 503-0177

BBB Industries 503-0177 Steering Gear

Reman Steering Gear
6 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
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of BBB Industries Reman Steering Gear 503-0177

The BBB Industries Reman Steering Gear 503-0177 is designed specifically for Chevrolet Astro and GMC Safari models. This remanufactured electric steering gear offers precise control and reliable performance, engineered to meet the exact specifications required for these vehicles.

  • 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
  • Includes installation kit for ease of replacement
  • Three mounting holes and 2.5 turns lock to lock for responsive steering

Details on the Reman Steering Gear Product Line

The Reman Steering Gear line from BBB Industries focuses on providing remanufactured steering components that meet OEM standards. Each unit, including part number 503-0177, undergoes a thorough rebuilding process to restore functionality and durability. This line is tailored for electric steering systems, ensuring compatibility and performance for vehicles like the Chevrolet Astro and GMC Safari.

Technical Specifications and Features

This steering gear features a 1.25-inch (31.75 mm) output shaft diameter and a 0.72-inch (18.29 mm) input shaft diameter, designed to fit the steering system requirements of the specified vehicles. The input shaft has 26 splines, while the output shaft has 32 splines, ensuring proper engagement and smooth operation. The unit includes M18x1.50 inlet and pressure port threads and M16x1.50 outlet and return port threads, matching factory hydraulic connections. With three mounting holes and 2.5 turns lock to lock, it provides precise steering response. The included installation kit simplifies the replacement process.

Common Applications and Problem Resolution

  • Replacement for worn or leaking steering gear units on Chevrolet Astro and GMC Safari
  • Restores proper steering response and reduces play in the steering wheel
  • Addresses issues with electric power steering malfunction or failure
  • Eliminates steering noise caused by damaged internal components
  • Prevents fluid leaks from pressure and return ports

Installation Notes and Tips

Installation of the BBB Industries Reman Steering Gear 503-0177 should be performed by a qualified technician familiar with electric steering systems. The included installation kit contains necessary hardware to facilitate proper mounting. Ensure all hydraulic connections use the specified M18x1.50 and M16x1.50 fittings to prevent leaks. After installation, verify steering wheel alignment and check for smooth operation through the full 2.5 turns lock to lock range.

Quality Assurance and Warranty

BBB Industries remanufactured steering gears undergo comprehensive testing to meet OEM performance standards. Part number 503-0177 is backed by BBB Industries' quality assurance processes, ensuring reliability and durability. Installation of this remanufactured steering gear helps maintain the safety and handling characteristics of Chevrolet Astro and GMC Safari vehicles.

BrandBBB Industries
Part Number503-0177
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 Lock2.50

This part fits 6 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2005ChevroletAstroRWDN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
2005GMCSafariRWDN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
2004ChevroletAstroRWDN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
2004GMCSafariRWDN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
2003ChevroletAstroRWDN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
2003GMCSafariRWDN/ACompatible with vehicles equipped with power steering.; 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:

19321411

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