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BBB Industries 503-0142 Steering Gear
| Brand | BBB Industries 503-0142 |
|---|---|
| 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 | Remanufactured |
| Number of Mounting Holes | 3 |
| Outlet Size | M16X1.50 |
| Output Shaft Diameter | 1.25 |
| Output Shaft Diameter | 31.75 |
| Output Shaft Spline Count | 32 |
| Pressure Port Thread Size | M18X1.50 |
| Return Port Thread Size | M16X1.50 |
| Turns Lock To Lock | 3.375 |
| Product line | Reman Steering Gear |
| Fits | Buick and Chevrolet · 10 vehicles |
Remanufactured unit. A reman steering gear built for direct replacement use.
Electric steering gear. Matches electric assist systems for precise steering response.
Installation kit included. Everything needed for a smoother install is in the box.
Cross-references 19321389 for the same application. See all 1.
Reman Steering Gear for GM B-Body Applications
The BBB Industries Reman Steering Gear, part number 503-0142, is a remanufactured electric steering gear built for select 1995-1996 Buick Roadmaster, Chevrolet Caprice, and Chevrolet Impala applications. It is specified for vehicles with power steering and the listed suspension or fleet configurations, making it a direct-match option for targeted steering service.
Key Features
- BBB Industries Reman Steering Gear, part number 503-0142
- Remanufactured electric steering gear
- Includes installation kit
- Input shaft diameter: 0.72 in. / 18.29 mm
- Output shaft diameter: 1.25 in. / 31.75 mm
- Input shaft spline count: 26
- Output shaft spline count: 32
- Pressure port thread size: M18x1.50
- Return port thread size: M16x1.50
- Turns lock to lock: 3.375
- Three mounting holes
Product Details
BBB Industries 503-0142 is a reman steering gear for GM full-size rear-wheel-drive platforms with electric steering assist. The unit uses an M18x1.50 inlet and pressure port thread, an M16x1.50 outlet and return port thread, and the listed shaft dimensions and spline counts for proper mechanical and hydraulic interface. This part cross-references OE number 19321389 for the same application. It is a practical replacement choice for Buick Roadmaster and Chevrolet Caprice or Impala steering service where the original gear has excessive play, leakage, or inconsistent steering response.
What This Steering Gear Helps Address
- Steering looseness or excessive free play
- Fluid leakage at the steering gear housing or ports
- Hard steering or inconsistent steering effort
- Noise or binding during steering input
- Wear-related steering response issues on high-mileage GM B-body vehicles
Installation Notes and Tips
Verify the vehicle’s steering configuration before installation, especially the listed power steering and suspension codes for Buick Roadmaster, Chevrolet Caprice, and Chevrolet Impala applications. Confirm port thread sizes, shaft spline counts, and mounting-hole layout against the original gear before removal. After installation, bleed the steering system thoroughly and perform a front-end alignment to restore proper steering feel and tire wear characteristics.
Quality Assurance
BBB Industries reman steering components are rebuilt to restore function for service replacement use. Part number 503-0142 is remanufactured and supplied with an installation kit for the listed applications.
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 1996 | Buick | Roadmaster | Sedan | N/A | Power Steering; w/ Variable Effort Steering (NV7); Reman Steering Gear |
| 1996 | Chevrolet | Caprice | Sedan | N/A | Power Steering; Police & Taxi (7B3); Reman Steering Gear |
| 1996 | Chevrolet | Caprice | Sedan | N/A | Power Steering; w/ Sport (FE3) or Special Suspension (FE4, 7B3); Reman Steering Gear |
| 1996 | Chevrolet | Impala | Sedan | N/A | Power Steering; Police & Taxi (7B3); Reman Steering Gear |
| 1996 | Chevrolet | Impala | Sedan | N/A | Power Steering; w/ Sport (FE3) or Special Suspension (FE4, 7B3); Reman Steering Gear |
| 1995 | Buick | Roadmaster | Sedan | N/A | Power Steering; w/ Variable Effort Steering (NV7); Reman Steering Gear |
| 1995 | Chevrolet | Caprice | Sedan | N/A | Power Steering; Police & Taxi (7B3); Reman Steering Gear |
| 1995 | Chevrolet | Caprice | Sedan | N/A | Power Steering; w/ Sport (FE3) or Special Suspension (FE4, 7B3); Reman Steering Gear |
| 1995 | Chevrolet | Impala | Sedan | N/A | Power Steering; Police & Taxi (7B3); Reman Steering Gear |
| 1995 | Chevrolet | Impala | Sedan | N/A | Power Steering; w/ Sport (FE3) or Special Suspension (FE4, 7B3); Reman Steering Gear |
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