HomeSteering > Steering, Gear and Related ComponentsBBB Industries 503-0150 Steering Gear
Part #: 503-0150

BBB Industries 503-0150 Steering Gear

Reman Steering Gear
44 vehicles fit this part
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Reman Steering Gear
Fitment: Cadillac, Chevrolet, and GMC, Escalade, Tahoe, Yukon, C1500, C1500 Suburban, C2500 Suburban, K1500, K1500 Suburban, K2500 Suburban, C2500, and K2500
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Overview of BBB Industries Reman Steering Gear 503-0150

The BBB Industries Reman Steering Gear 503-0150 is designed for power steering systems in select GM trucks and SUVs. Engineered to meet OEM specifications, this steering gear provides reliable performance for vehicles such as the Chevrolet C1500, GMC Yukon, and Cadillac Escalade.

  • Power steering gear with precise input and output shaft dimensions
  • Compatible with Cadillac, Chevrolet, and GMC models including C1500, K1500, C2500, Tahoe, and Yukon
  • Includes installation kit for streamlined replacement
  • Features 3 mounting holes and O-ring sealed pressure and return ports
  • Remanufactured under BBB Industries Reman Steering Gear line for quality assurance

Detailed Specifications and Features

This steering gear features a 1.25 inch (31.98 mm) output shaft diameter and a 0.72 inch (18.35 mm) input shaft diameter, ensuring compatibility with the specified GM vehicles. The input shaft length measures 1.01 inches (25.78 mm) with 26 splines, while the output shaft has 32 splines and a thread size of 7/8x14. The unit includes M18x1.50 inlet and pressure ports and M16x1.50 outlet and return ports, all sealed with O-rings to prevent leaks. The steering gear offers 3.187 turns lock to lock, providing responsive steering control.

About the Reman Steering Gear Product Line

The Reman Steering Gear line by BBB Industries focuses on remanufactured steering components that meet or exceed original equipment standards. Each unit undergoes rigorous testing and quality checks to ensure durability and performance. The 503-0150 part number is part of this line, offering a cost-effective solution for restoring steering function in compatible GM trucks and SUVs.

Applications and Common Issues Addressed

  • Restores steering precision in Chevrolet C1500 and Suburban models
  • Replaces worn or leaking steering gear in GMC K1500 and Yukon vehicles
  • Eliminates excessive play or steering wheel vibration in Cadillac Escalade
  • Fixes power steering fluid leaks due to faulty pressure or return ports
  • Resolves difficulty in steering or uneven steering response

Installation Notes and Tips

The 503-0150 steering gear comes with an installation kit to facilitate proper mounting and connection. Ensure all O-ring seals are correctly positioned on pressure and return ports to prevent leaks. Verify spline counts and shaft diameters match the vehicle’s specifications before installation. It is recommended to align the steering gear carefully to maintain correct steering geometry and avoid premature wear.

Quality Assurance and Warranty

BBB Industries remanufactured steering gears are tested to meet OEM standards for fit, form, and function. The 503-0150 part includes a comprehensive installation kit and is backed by BBB Industries’ quality control processes. Warranty coverage details should be confirmed with the distributor or installer, ensuring confidence in product reliability for Cadillac, Chevrolet, and GMC applications.

BrandBBB Industries
Part Number503-0150
PositionReman Steering Gear
Inlet SizeM18X1.50
Input Shaft Diameter0.72
Input Shaft Diameter18.35
Input Shaft Length (In)1.01
Input Shaft Length (mm)25.78
Input Shaft Spline Count26
Installation Kit IncludedYes
Manual or PowerPower
New or RemanufacturedNew
Number of Mounting Holes3
Outlet SizeM16X1.50
Output Shaft Diameter1.25
Output Shaft Diameter31.98
Output Shaft Spline Count32
Output Shaft Thread Size7/8X14
Pressure Port Attachment TypeO-Ring
Pressure Port SizeM18X1.5
Pressure Port Thread SizeM18X1.50
Return Port Attachment TypeO-Ring
Return Port SizeM16X1.50
Return Port Thread SizeM16X1.50
Turns Lock To Lock3.187

This part fits 44 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000CadillacEscaladeN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
2000ChevroletTahoe5.7LV8N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
2000GMCYukon5.7LV8N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1999CadillacEscaladeN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1999ChevroletC1500N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1999ChevroletC1500 SuburbanN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1999ChevroletC2500 SuburbanN/APower Steering; 7200lb. GVW; Reman Steering Gear
1999ChevroletK1500N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1999ChevroletK1500 SuburbanN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1999ChevroletK2500 SuburbanN/APower Steering; 7200lb. GVW; Reman Steering Gear
1999ChevroletTahoe5.7LV8N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1999GMCC1500N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1999GMCC1500 SuburbanN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1999GMCC2500 SuburbanN/APower Steering; 7200lb. GVW; Reman Steering Gear
1999GMCK1500N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1999GMCK1500 SuburbanN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1999GMCK2500 SuburbanN/APower Steering; 7200lb. GVW; Reman Steering Gear
1999GMCYukon5.7LV8N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1998ChevroletC1500N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1998ChevroletC1500 SuburbanN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1998ChevroletC2500N/APower Steering; w/ 7200lb. GVW (C5Z); Reman Steering Gear
1998ChevroletC2500 SuburbanN/APower Steering; 7200lb. GVW; Reman Steering Gear
1998ChevroletK1500N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1998ChevroletK1500 SuburbanN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1998ChevroletK2500N/APower Steering; w/ 7200lb. GVW (C5Z); Reman Steering Gear
1998ChevroletK2500 SuburbanN/APower Steering; 7200lb. GVW; Reman Steering Gear
1998ChevroletTahoe5.7LV8N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1998GMCC1500N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1998GMCC1500 SuburbanN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1998GMCC2500N/APower Steering; w/ 7200lb. GVW (C5Z); Reman Steering Gear
1998GMCC2500 SuburbanN/APower Steering; 7200lb. GVW; Reman Steering Gear
1998GMCK1500N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1998GMCK1500 SuburbanN/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1998GMCK2500N/APower Steering; w/ 7200lb. GVW (C5Z); Reman Steering Gear
1998GMCK2500 SuburbanN/APower Steering; 7200lb. GVW; Reman Steering Gear
1998GMCYukon5.7LV8N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1997ChevroletC1500N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1997ChevroletC2500N/APower Steering; w/ 7200lb. GVW (C5Z); Reman Steering Gear
1997ChevroletK1500N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1997ChevroletK2500N/APower Steering; w/ 7200lb. GVW (C5Z); Reman Steering Gear
1997GMCC1500N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1997GMCC2500N/APower Steering; w/ 7200lb. GVW (C5Z); Reman Steering Gear
1997GMCK1500N/ACompatible with vehicles equipped with power steering.; Reman Steering Gear
1997GMCK2500N/APower Steering; w/ 7200lb. GVW (C5Z); 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:

19321396

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