HomeSteering > Steering, Gear and Related ComponentsBBB Industries N503-0114 Steering Gear
Part #: N503-0114

BBB Industries N503-0114 Steering Gear

New Steering Gear
50 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
New Steering Gear
Fitment: Chevrolet and GMC, K10, K10 Suburban, K20, K20 Suburban, K5 Blazer, Jimmy, K15, K15 Suburban, K25, K25 Suburban, Blazer, K10 Pickup, K20 Pickup, K30 Pickup, K15/K1500 Pickup, K15/K1500 Suburban, K25/K2500 Pickup, K25/K2500 Suburban, and K35/K3500 Pickup
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 New Steering Gear N503-0114

The BBB Industries New Steering Gear N503-0114 is designed for precise steering control in Chevrolet and GMC trucks and SUVs. This electric steering gear is engineered to meet the specifications required for models like the Chevrolet Blazer, GMC Jimmy, and K-Series trucks.

  • Output shaft diameter: 1.25 inches (31.75 mm)
  • Input shaft diameter: 0.8 inches (20.32 mm)
  • Input shaft spline count: 32 splines
  • Output shaft spline count: 9 splines
  • Inlet size: 11/16x18 thread
  • Outlet size: 5/8x18 thread
  • Pressure port thread size: 11/16x18
  • Return port thread size: 5/8x18
  • Number of mounting holes: 4
  • Turns lock to lock: 3.375
  • Installation kit included
  • Electric power steering type
  • New, not remanufactured

Details on the New Steering Gear Product Line

The BBB Industries New Steering Gear line offers brand-new steering components designed to provide reliable performance and fitment for specific vehicle applications. This product line focuses on delivering steering gears that meet OEM specifications, ensuring compatibility and durability for Chevrolet and GMC models. The N503-0114 part is part of this line, providing a direct replacement solution with included installation hardware for ease of service.

Product Description and Specifications

This steering gear unit features an electric power steering design, suitable for Chevrolet Blazer, GMC Jimmy, K5 Blazer, K10, K10 Suburban, K20, and K20 Suburban models. The input shaft diameter measures 0.8 inches (20.32 mm) with 32 splines, while the output shaft diameter is 1.25 inches (31.75 mm) with 9 splines, ensuring proper engagement with the steering linkage. The unit includes four mounting holes for secure installation and has a lock-to-lock turn ratio of 3.375, providing responsive steering feel. Thread sizes for inlet, outlet, pressure, and return ports are standardized to 11/16x18 and 5/8x18, facilitating fluid connections. The included installation kit simplifies the replacement process.

Common Applications and Problem Resolution

  • Restores precise steering response in Chevrolet and GMC trucks and SUVs
  • Replaces worn or leaking steering gears causing steering play or fluid leaks
  • Addresses hard or inconsistent steering effort in electric power steering systems
  • Eliminates excessive steering wheel free play or noise
  • Resolves mounting or fitment issues with previous steering gear units

Installation Notes and Tips

Installation of the BBB Industries New Steering Gear N503-0114 requires proper alignment of the input and output shafts to avoid premature wear. The included installation kit contains necessary hardware to ensure a secure fit. It is recommended to verify thread compatibility for inlet and outlet ports before connecting hydraulic lines. After installation, check for proper steering wheel centering and smooth operation through the full lock-to-lock range of 3.375 turns. Professional installation is advised for optimal results.

Quality Assurance and Warranty

This steering gear is a brand-new component manufactured to meet or exceed OEM standards. BBB Industries provides quality assurance through rigorous testing and inspection. The product includes a warranty covering defects in materials and workmanship, supporting reliability and long-term performance for Chevrolet and GMC steering systems.

BrandBBB Industries
Part NumberN503-0114
PositionNew Steering Gear
Inlet Size11/16X18
Input Shaft Diameter0.8
Input Shaft Diameter20.32
Input Shaft Spline Count32
Installation Kit IncludedYes
Manual or PowerElectric
New or RemanufacturedNew
Number of Mounting Holes4
Outlet Size5/8X18
Output Shaft Diameter1.25
Output Shaft Diameter31.75
Output Shaft Spline Count9
Pressure Port Thread Size11/16X18
Return Port Thread Size5/8X18
Turns Lock To Lock3.375

This part fits 50 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
1976ChevroletK10N/ACompatible with vehicles equipped with power steering.; New Steering Gear
1976ChevroletK10 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1976ChevroletK20N/ACompatible with vehicles equipped with power steering.; New Steering Gear
1976ChevroletK20 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1976ChevroletK5 Blazer4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1976GMCJimmy4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1975ChevroletK10N/ACompatible with vehicles equipped with power steering.; New Steering Gear
1975ChevroletK10 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1975ChevroletK20N/ACompatible with vehicles equipped with power steering.; New Steering Gear
1975ChevroletK20 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1975ChevroletK5 Blazer4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1975GMCJimmy4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1974ChevroletBlazer4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1974ChevroletK10 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1974ChevroletK10 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1974ChevroletK20 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1974ChevroletK20 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1974GMCJimmy4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1973ChevroletBlazer4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1973ChevroletK10 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1973ChevroletK10 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1973ChevroletK20 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1973ChevroletK20 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1973GMCJimmy4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1972ChevroletBlazer4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1972ChevroletK10 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1972ChevroletK10 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1972ChevroletK20 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1972ChevroletK20 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1972GMCJimmy4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1971ChevroletBlazer4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1971ChevroletK10 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1971ChevroletK10 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1971ChevroletK20 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1971ChevroletK20 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1971GMCJimmy4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1970ChevroletBlazer4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1970ChevroletK10 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1970ChevroletK10 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1970ChevroletK20 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1970ChevroletK20 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1970GMCJimmy4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1969ChevroletK10 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1969ChevroletK10 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1969ChevroletK20 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1969ChevroletK20 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1968ChevroletK10 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1968ChevroletK10 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1968ChevroletK20 Suburban4WDN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1968ChevroletK20 SuburbanAWDN/ACompatible with vehicles equipped with power steering.; New 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:

19321362

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