HomeSteering > Steering, Gear and Related ComponentsBBB Industries N503-0111 Steering Gear
Part #: N503-0111

BBB Industries N503-0111 Steering Gear

New Steering Gear
49 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$533.00Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*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, Pontiac, Buick, GMC, and Oldsmobile, Camaro, Firebird, Monte Carlo, Regal, El Camino, Caballero, Cutlass Supreme, Grand Prix, and Cutlass Cruiser
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 N503-0111

The BBB Industries New Steering Gear N503-0111 is designed for precise steering control in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This electric steering gear is engineered to meet the specifications required by models such as the Camaro, Cutlass Cruiser, Cutlass Supreme, El Camino, Firebird, Grand Prix, Monte Carlo, and Regal.

  • 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
  • Number of mounting holes: 3
  • Turns lock to lock: 2.75
  • Installation kit included
  • Electric steering gear, new condition

Details on the New Steering Gear Product Line

The BBB Industries New Steering Gear line focuses on delivering brand-new steering components that meet or exceed OEM specifications. This product line emphasizes quality and fitment accuracy, ensuring compatibility with specific vehicle makes and models. The N503-0111 steering gear is part of this line, providing a reliable replacement option for electric steering systems in classic and performance vehicles.

Technical Description and Compatibility

This steering gear unit features an electric design suitable for power steering applications in various GM vehicles. The precise spline counts on both input (26 splines) and output shafts (32 splines) ensure proper engagement and smooth steering response. The 1.25-inch output shaft diameter and 0.72-inch input shaft diameter correspond to the original equipment dimensions, facilitating direct replacement without modification. Thread sizes for inlet, outlet, pressure, and return ports follow metric standards (M18x1.50 and M16x1.50), supporting proper hydraulic connections. The 3 mounting holes and 2.75 turns lock to lock ratio provide the correct mechanical fit and steering feel for models like the Chevrolet Camaro and Pontiac Firebird.

Common Applications and Problem Resolution

  • Replacement for worn or leaking steering gear units in Buick Regal and Oldsmobile Cutlass Supreme
  • Restores proper steering response and reduces play in Chevrolet El Camino and Monte Carlo
  • Addresses steering fluid leaks due to damaged seals or ports
  • Corrects excessive steering effort or inconsistent steering feedback in Pontiac Grand Prix
  • Upgrades electric steering components for improved reliability in classic muscle cars

Installation Notes and Tips

The N503-0111 steering gear comes with an installation kit to facilitate proper mounting and connection. Ensure all hydraulic lines match the specified thread sizes (M18x1.50 for pressure and inlet ports, M16x1.50 for return and outlet ports) to avoid leaks. Verify spline counts and shaft diameters before installation to confirm compatibility. Follow vehicle-specific service manuals for torque specifications and alignment procedures. Bleed the power steering system thoroughly after installation to remove air and ensure smooth operation.

Quality Assurance and Warranty

BBB Industries provides this New Steering Gear as a brand-new component manufactured to meet OEM standards. The product includes an installation kit to support proper fitment and function. While specific warranty details are not provided here, BBB Industries typically offers limited warranties covering defects in materials and workmanship. Refer to BBB Industries documentation for exact warranty terms applicable to part number N503-0111.

BrandBBB Industries
Part NumberN503-0111
PositionNew 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 RemanufacturedNew
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 Lock2.75

This part fits 49 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1992ChevroletCamaroN/APower Steering; w/o Soft Ride Suspension (FE1); New Steering Gear
1992PontiacFirebirdN/APower Steering; w/o Soft Ride Suspension (FE1); New Steering Gear
1991ChevroletCamaroN/APower Steering; w/o Soft Ride Suspension (FE1); New Steering Gear
1991PontiacFirebirdN/APower Steering; w/o Soft Ride Suspension (FE1); New Steering Gear
1990ChevroletCamaroN/APower Steering; w/o Soft Ride Suspension (FE1); New Steering Gear
1990PontiacFirebirdN/APower Steering; w/o Soft Ride Suspension (FE1); New Steering Gear
1989ChevroletCamaroN/APower Steering; w/o Soft Ride Suspension (FE1); New Steering Gear
1989PontiacFirebirdN/APower Steering; w/o Soft Ride Suspension (FE1); New Steering Gear
1988ChevroletCamaroN/APower Steering; w/ Touring Suspension (FE2); New Steering Gear
1988ChevroletMonte CarloN/APower Steering; w/ Sport Package (Z65); New Steering Gear
1988PontiacFirebirdN/APower Steering; w/ Touring Suspension (FE2); New Steering Gear
1987BuickRegalN/APower Steering; w/ Touring (FE2) or Sport Suspension (FE3); New Steering Gear
1987ChevroletCamaroN/APower Steering; w/ Touring (FE2) or Heavy Duty Suspension (F41); New Steering Gear
1987ChevroletEl CaminoN/APower Steering; w/ Sport Package (Z65); New Steering Gear
1987ChevroletMonte CarloN/APower Steering; w/ Sport Package (Z65); New Steering Gear
1987OldsmobileCutlass Supreme5.0LV8N/ACompatible with vehicles equipped with power steering.; New Steering Gear
1987PontiacFirebirdN/APower Steering; w/ Touring (FE2) or Heavy Duty Suspension (FE3); New Steering Gear
1987PontiacGrand PrixN/APower Steering; w/ Touring (FE2) or Heavy Duty Suspension (F41); New Steering Gear
1986BuickRegalN/APower Steering; w/ Touring (FE2) or Sport Suspension (FE3); New Steering Gear
1986ChevroletCamaroSportN/APower Steering; w/ Ride & Handling Suspension (FE3); New Steering Gear
1986ChevroletCamaroBerlinettaN/APower Steering; w/ Ride & Handling Suspension (FE3); New Steering Gear
1986ChevroletCamaroZ28N/ACompatible with vehicles equipped with power steering.; New Steering Gear
1986ChevroletEl CaminoN/APower Steering; w/ Sport Package (Z65); New Steering Gear
1986ChevroletMonte CarloN/APower Steering; w/ Sport Package (Z65); New Steering Gear
1986PontiacFirebirdTrans AmN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1986PontiacGrand PrixN/APower Steering; w/ Touring (FE2) or Heavy Duty Suspension (F41); New Steering Gear
1985BuickRegalN/APower Steering; w/ Touring (FE2) or Sport Suspension (FE3); New Steering Gear
1985ChevroletCamaroSportN/APower Steering; w/ Ride & Handling Suspension (FE3); New Steering Gear
1985ChevroletCamaroBerlinettaN/APower Steering; w/ Ride & Handling Suspension (FE3); New Steering Gear
1985ChevroletCamaroZ28N/ACompatible with vehicles equipped with power steering.; New Steering Gear
1985ChevroletMonte CarloBaseN/APower Steering; w/ Heavy Duty Suspension (F41); New Steering Gear
1985ChevroletMonte CarloSSN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1985PontiacFirebirdTrans AmN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1984BuickRegalN/APower Steering; w/ Heavy Duty (F41) or Touring Suspension (FE2); New Steering Gear
1984ChevroletCamaroZ28N/ACompatible with vehicles equipped with power steering.; New Steering Gear
1984ChevroletMonte CarloBaseN/APower Steering; w/ Heavy Duty Suspension (F41); New Steering Gear
1984ChevroletMonte CarloSSN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1984OldsmobileCutlass SupremeN/APower Steering; Hurst/Olds; New Steering Gear
1984PontiacFirebirdTrans AmN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1983ChevroletCamaroZ28N/APower Steering with Square (4 Bolt) Housing Cover; New Steering Gear
1983ChevroletMonte CarloBaseN/APower Steering; w/ Heavy Duty Suspension (F41); New Steering Gear
1983ChevroletMonte CarloCLN/APower Steering; w/ Heavy Duty Suspension (F41); New Steering Gear
1983ChevroletMonte CarloSSN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1983OldsmobileCutlass CruiserN/APower Steering; Hurst/Olds; New Steering Gear
1983OldsmobileCutlass SupremeN/APower Steering; Hurst/Olds; New Steering Gear
1983PontiacFirebirdTrans AmN/ACompatible with vehicles equipped with power steering.; New Steering Gear
1982ChevroletCamaroZ28N/APower Steering with Square (4 Bolt) Housing Cover; New Steering Gear
1982ChevroletCamaroZ28 Indianapolis 500 Pace CarN/APower Steering with Square (4 Bolt) Housing Cover; New Steering Gear
1982PontiacFirebirdTrans AmN/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:

19321359

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