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BBB Industries N503-0121 Steering Gear
Overview of BBB Industries New Steering Gear N503-0121
The BBB Industries New Steering Gear N503-0121 is designed for reliable steering performance in Chevrolet and GMC trucks and SUVs. This electric steering gear is engineered to meet the specifications of various models including the Blazer, K10, K20, K1500, and their Suburban variants.
- Output shaft diameter: 1.25 inches (31.75 mm)
- Input shaft diameter: 0.72 inches (18.29 mm)
- Input shaft spline count: 26 splines
- Output shaft spline count: 9 splines
- Inlet size: M18x1.50
- Outlet size: M16x1.50
- Pressure port thread size: M18x1.50
- Return port thread size: M16x1.50
- Number of mounting holes: 4
- Turns lock to lock: 3.375
- Installation kit included
- Electric steering gear, new condition
About the New Steering Gear Product Line
The BBB Industries New Steering Gear product line focuses on delivering brand-new steering components that meet or exceed OEM specifications. This line is tailored for electric steering systems, providing precise fitment and reliable operation for Chevrolet and GMC vehicles. The N503-0121 part is part of this line, ensuring compatibility and quality for your steering system replacement needs.
Detailed Product Description
This steering gear unit features a 1.25-inch output shaft diameter and a 0.72-inch input shaft diameter, designed to match the original equipment on select Chevrolet and GMC trucks and SUVs. The 26-spline input shaft and 9-spline output shaft ensure secure engagement and smooth steering response. Thread sizes for inlet, outlet, pressure, and return ports are standardized at M18x1.50 and M16x1.50, facilitating proper hydraulic connections. With four mounting holes and a lock-to-lock turn ratio of 3.375, this steering gear provides precise control and durability. The included installation kit simplifies the replacement process.
Common Applications and Issues Addressed
- Restores steering control in Chevrolet Blazer and GMC Jimmy models
- Replaces worn or leaking steering gears in K-series trucks (K10, K20, K1500, K2500, K3500)
- Solves issues related to loose or unresponsive steering
- Addresses hydraulic leaks from pressure or return ports
- Improves steering feel and reduces play in older steering systems
Installation Notes and Tips
- Verify compatibility with your specific Chevrolet or GMC model before installation
- Use the included installation kit for proper mounting and sealing
- Ensure hydraulic lines match the M18x1.50 and M16x1.50 thread sizes
- Check steering linkage alignment after installation
- Follow manufacturer torque specifications for mounting bolts
Quality Assurance and Warranty
BBB Industries provides this New Steering Gear N503-0121 as a brand-new component manufactured to meet OEM standards. The product includes an installation kit to facilitate proper setup. While specific warranty details are not provided here, BBB Industries typically offers coverage against defects in materials and workmanship. For exact warranty terms, consult the product documentation or BBB Industries directly.
| Brand | BBB Industries |
|---|---|
| Part Number | N503-0121 |
| Position | New Steering Gear |
| Inlet Size | M18X1.50 |
| Input Shaft Diameter | 0.72 |
| Input Shaft Diameter | 18.29 |
| Input Shaft Spline Count | 26 |
| Installation Kit Included | Yes |
| Manual or Power | Electric |
| New or Remanufactured | New |
| Number of Mounting Holes | 4 |
| Outlet Size | M16X1.50 |
| Output Shaft Diameter | 1.25 |
| Output Shaft Diameter | 31.75 |
| Output Shaft Spline Count | 9 |
| Pressure Port Thread Size | M18X1.50 |
| Return Port Thread Size | M16X1.50 |
| Turns Lock To Lock | 3.375 |
This part fits 128 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1991 | Chevrolet | Blazer | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1991 | Chevrolet | V1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1991 | Chevrolet | V2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1991 | Chevrolet | V3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1991 | GMC | Jimmy | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1991 | GMC | V1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1991 | GMC | V2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1991 | GMC | V3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1990 | Chevrolet | Blazer | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1990 | Chevrolet | V1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1990 | Chevrolet | V2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1990 | Chevrolet | V3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1990 | GMC | Jimmy | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1990 | GMC | V1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1990 | GMC | V2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1990 | GMC | V3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1989 | Chevrolet | Blazer | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1989 | Chevrolet | V1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1989 | Chevrolet | V2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1989 | Chevrolet | V3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1989 | GMC | Jimmy | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1989 | GMC | V1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1989 | GMC | V2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1989 | GMC | V3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1988 | Chevrolet | Blazer | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1988 | Chevrolet | V10 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1988 | Chevrolet | V20 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1988 | Chevrolet | V30 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1988 | GMC | Jimmy | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1988 | GMC | V1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1988 | GMC | V2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1988 | GMC | V3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1987 | Chevrolet | Blazer | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1987 | Chevrolet | V10 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1987 | Chevrolet | V10 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1987 | Chevrolet | V20 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1987 | Chevrolet | V20 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1987 | Chevrolet | V30 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1987 | GMC | Jimmy | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1987 | GMC | V1500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1987 | GMC | V1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1987 | GMC | V2500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1987 | GMC | V2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1987 | GMC | V3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1986 | Chevrolet | K10 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1986 | Chevrolet | K10 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1986 | Chevrolet | K20 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1986 | Chevrolet | K20 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1986 | Chevrolet | K30 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1986 | Chevrolet | K5 Blazer | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1986 | GMC | Jimmy | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1986 | GMC | K1500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1986 | GMC | K1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1986 | GMC | K2500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1986 | GMC | K2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1986 | GMC | K3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1985 | Chevrolet | K10 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1985 | Chevrolet | K10 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1985 | Chevrolet | K20 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1985 | Chevrolet | K20 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1985 | Chevrolet | K30 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1985 | Chevrolet | K5 Blazer | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1985 | GMC | Jimmy | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1985 | GMC | K1500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1985 | GMC | K1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1985 | GMC | K2500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1985 | GMC | K2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1985 | GMC | K3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1984 | Chevrolet | K10 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1984 | Chevrolet | K10 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1984 | Chevrolet | K20 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1984 | Chevrolet | K20 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1984 | Chevrolet | K30 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1984 | Chevrolet | K5 Blazer | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1984 | GMC | Jimmy | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1984 | GMC | K1500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1984 | GMC | K1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1984 | GMC | K2500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1984 | GMC | K2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1984 | GMC | K3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1983 | Chevrolet | K10 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1983 | Chevrolet | K10 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1983 | Chevrolet | K20 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1983 | Chevrolet | K20 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1983 | Chevrolet | K30 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1983 | Chevrolet | K5 Blazer | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1983 | GMC | Jimmy | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1983 | GMC | K1500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1983 | GMC | K1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1983 | GMC | K2500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1983 | GMC | K2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1983 | GMC | K3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1982 | Chevrolet | K10 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1982 | Chevrolet | K10 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1982 | Chevrolet | K20 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1982 | Chevrolet | K20 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1982 | Chevrolet | K30 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1982 | Chevrolet | K5 Blazer | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1982 | GMC | Jimmy | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1982 | GMC | K1500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1982 | GMC | K1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1982 | GMC | K2500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1982 | GMC | K2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1982 | GMC | K3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1981 | Chevrolet | K10 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1981 | Chevrolet | K10 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1981 | Chevrolet | K20 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1981 | Chevrolet | K20 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1981 | Chevrolet | K30 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1981 | Chevrolet | K5 Blazer | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1981 | GMC | Jimmy | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1981 | GMC | K1500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1981 | GMC | K1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1981 | GMC | K2500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1981 | GMC | K2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1981 | GMC | K3500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1980 | Chevrolet | K10 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1980 | Chevrolet | K10 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1980 | Chevrolet | K20 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1980 | Chevrolet | K20 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1980 | Chevrolet | K30 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1980 | Chevrolet | K5 Blazer | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1980 | GMC | Jimmy | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1980 | GMC | K1500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1980 | GMC | K1500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1980 | GMC | K2500 | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear | |
| 1980 | GMC | K2500 Suburban | 4WD | N/A | Compatible with vehicles equipped with power steering.; New Steering Gear |
| 1980 | GMC | K3500 | N/A | Compatible 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.