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BBB Industries
Reman Steering GearBBB Industries 503-0178 Steering Gear
| Brand | BBB Industries 503-0178 |
|---|---|
| Inlet Size | M18X1.50 |
| Input Shaft Diameter | 0.75 |
| Input Shaft Diameter | 19.05 |
| 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 | 3.25 |
| Product line | Reman Steering Gear |
| Fits | Chevrolet and GMC · 99 vehicles |
Remanufactured unit. A reman steering gear built for dependable replacement value.
Electric steering gear. Matches electric steering systems for straightforward service.
Installation kit included. Conveniently supplied to help simplify the job.
Cross-references 15068759, 15748482 and 19321412 for the same application. See all 6.
$398.61Free shipping
In stock · usually ships same day before 1pm CST
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Not what you need? See all Steering Gear options
Reman Steering Gear for Heavy-Duty GM Trucks
BBB Industries Reman Steering Gear 503-0178 is a remanufactured electric steering gear built for select Chevrolet and GMC trucks and vans with power steering. It is specified with a 3.25 turns lock-to-lock ratio, 32-spline output shaft, and OE-style port sizing for direct replacement service.
Key Features
- Remanufactured electric steering gear for power steering applications
- 3.25 turns lock to lock for predictable steering response
- 32-spline output shaft with 1.25 in. diameter
- 0.75 in. input shaft diameter
- M18 x 1.50 pressure port and M16 x 1.50 return port
- Three mounting holes for OE-style installation
- Installation kit included
- Cross-references BBB Industries 503-0178 for the same application
Product Details
This BBB Industries Reman Steering Gear line focuses on remanufactured steering components for service replacement, with attention to OE-style fit and hydraulic connection points. Part number 503-0178 is listed for Chevrolet Avalanche 2500, Silverado HD, Suburban 2500, Express vans, and GMC Sierra HD, Savana, Yukon XL 2500 applications that use power steering and the specified sector shaft configuration. It is also referenced for related GM service part numbers, including 15068759 and 15748482.
Use this steering gear when replacing a worn or leaking unit on 1999-2006 Chevrolet and GMC heavy-duty platforms. The listed dimensions, spline count, and port thread sizes help match the original steering system layout on vehicles such as Chevrolet Silverado 2500 HD and GMC Sierra 3500.
Common Problems This Part Addresses
- Excessive steering play or loose on-center feel
- Fluid leakage from the steering gear housing or ports
- Hard steering or inconsistent steering effort
- Internal wear that causes poor road feel or wandering
- Replacement needs after steering gear damage or high-mileage wear
Installation Notes and Tips
Verify the sector shaft spline count, input shaft style, and port thread sizes before installation. This unit is listed for power steering applications only, and some fitments note specific requirements such as 32 splines on the sector shaft or, on certain vans, no splined input shaft. Always compare the original steering gear to the replacement part number 503-0178 and confirm vehicle-specific notes for Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, and related GM models.
Quality Assurance
BBB Industries reman steering gears are remanufactured service parts built for direct replacement use in listed GM applications. Part number 503-0178 is supplied as a remanufactured steering gear with installation kit included and OE-style connection sizing for the specified vehicles.
This part fits 99 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Chevrolet | Avalanche 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | Chevrolet | Express 2500 | — | — | N/A | Power Steering; 8,500 or 8,600 lb. GVW; Reman Steering Gear |
| 2006 | Chevrolet | Express 3500 | — | — | N/A | Power Steering; w/o Splined Input Shaft; Reman Steering Gear |
| 2006 | Chevrolet | Silverado 1500 HD | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | Chevrolet | Silverado 2500 HD | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | Chevrolet | Silverado 3500 | Cab & Chassis | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | Chevrolet | Silverado 3500 | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | Chevrolet | Silverado 3500 | Extended Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | Chevrolet | Silverado 3500 | Standard Cab Pickup | 4WD | N/A | Power Steering; Dual Rear Wheel, w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | Chevrolet | Suburban 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | GMC | Savana 2500 | — | — | N/A | Power Steering; 8,500 or 8,600 lb. GVW; Reman Steering Gear |
| 2006 | GMC | Savana 3500 | — | — | N/A | Power Steering; w/o Splined Input Shaft; Reman Steering Gear |
| 2006 | GMC | Sierra 1500 HD | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | GMC | Sierra 2500 HD | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | GMC | Sierra 3500 | Cab & Chassis | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | GMC | Sierra 3500 | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | GMC | Sierra 3500 | Extended Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | GMC | Sierra 3500 | Standard Cab Pickup | 4WD | N/A | Power Steering; Dual Rear Wheel, w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2006 | GMC | Yukon XL 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | Chevrolet | Avalanche 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | Chevrolet | Express 2500 | — | — | N/A | Power Steering; 8,500 or 8,600 lb. GVW; Reman Steering Gear |
| 2005 | Chevrolet | Express 3500 | — | — | N/A | Power Steering; w/o Splined Input Shaft; Reman Steering Gear |
| 2005 | Chevrolet | Silverado 1500 HD | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | Chevrolet | Silverado 2500 HD | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | Chevrolet | Silverado 3500 | Cab & Chassis | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | Chevrolet | Silverado 3500 | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | Chevrolet | Silverado 3500 | Extended Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | Chevrolet | Silverado 3500 | Standard Cab Pickup | 4WD | N/A | Power Steering; Dual Rear Wheel, w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | Chevrolet | Suburban 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | GMC | Savana 2500 | — | — | N/A | Power Steering; 8,500 or 8,600 lb. GVW; Reman Steering Gear |
| 2005 | GMC | Savana 3500 | — | — | N/A | Power Steering; w/o Splined Input Shaft; Reman Steering Gear |
| 2005 | GMC | Sierra 1500 HD | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | GMC | Sierra 2500 HD | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | GMC | Sierra 3500 | Cab & Chassis | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | GMC | Sierra 3500 | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | GMC | Sierra 3500 | Extended Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | GMC | Sierra 3500 | Standard Cab Pickup | 4WD | N/A | Power Steering; Dual Rear Wheel, w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2005 | GMC | Yukon XL 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | Chevrolet | Avalanche 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | Chevrolet | Express 2500 | — | — | N/A | Power Steering; 8,500 or 8,600 lb. GVW; Reman Steering Gear |
| 2004 | Chevrolet | Express 3500 | — | — | N/A | Compatible with vehicles equipped with power steering.; Reman Steering Gear |
| 2004 | Chevrolet | Silverado 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | Chevrolet | Silverado 2500 HD | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | Chevrolet | Silverado 3500 | Cab & Chassis | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | Chevrolet | Silverado 3500 | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | Chevrolet | Silverado 3500 | Extended Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | Chevrolet | Silverado 3500 | Standard Cab Pickup | 4WD | N/A | Power Steering; Dual Rear Wheel, w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | Chevrolet | Suburban 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | GMC | Savana 2500 | — | — | N/A | Power Steering; 8,500 or 8,600 lb. GVW; Reman Steering Gear |
| 2004 | GMC | Savana 3500 | — | — | N/A | Compatible with vehicles equipped with power steering.; Reman Steering Gear |
| 2004 | GMC | Sierra 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | GMC | Sierra 2500 HD | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | GMC | Sierra 3500 | Cab & Chassis | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | GMC | Sierra 3500 | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | GMC | Sierra 3500 | Extended Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | GMC | Sierra 3500 | Standard Cab Pickup | 4WD | N/A | Power Steering; Dual Rear Wheel, w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2004 | GMC | Yukon XL 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2003 | Chevrolet | Avalanche 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2003 | Chevrolet | Express 2500 | — | — | N/A | Power Steering; 8,500 or 8,600 lb. GVW; Reman Steering Gear |
| 2003 | Chevrolet | Express 3500 | — | — | N/A | Compatible with vehicles equipped with power steering.; Reman Steering Gear |
| 2003 | Chevrolet | Silverado 1500 HD | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2003 | Chevrolet | Silverado 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2003 | Chevrolet | Silverado 2500 HD | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2003 | Chevrolet | Silverado 3500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2003 | Chevrolet | Suburban 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2003 | GMC | Savana 2500 | — | — | N/A | Power Steering; 8,500 or 8,600 lb. GVW; Reman Steering Gear |
| 2003 | GMC | Savana 3500 | — | — | N/A | Compatible with vehicles equipped with power steering.; Reman Steering Gear |
| 2003 | GMC | Sierra 1500 HD | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2003 | GMC | Sierra 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2003 | GMC | Sierra 2500 HD | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2003 | GMC | Sierra 3500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2003 | GMC | Yukon XL 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2002 | Chevrolet | Avalanche 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2002 | Chevrolet | Silverado 1500 HD | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2002 | Chevrolet | Silverado 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2002 | Chevrolet | Silverado 2500 HD | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2002 | Chevrolet | Silverado 3500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2002 | Chevrolet | Suburban 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2002 | GMC | Sierra 1500 HD | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2002 | GMC | Sierra 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2002 | GMC | Sierra 2500 HD | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2002 | GMC | Sierra 3500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2002 | GMC | Yukon XL 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2001 | Chevrolet | Silverado 1500 HD | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2001 | Chevrolet | Silverado 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2001 | Chevrolet | Silverado 2500 HD | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2001 | Chevrolet | Silverado 3500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2001 | Chevrolet | Suburban 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2001 | GMC | Sierra 1500 HD | Crew Cab Pickup | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2001 | GMC | Sierra 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2001 | GMC | Sierra 2500 HD | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2001 | GMC | Sierra 3500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2001 | GMC | Yukon XL 2500 | — | — | N/A | Power Steering; w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2000 | Chevrolet | Silverado 2500 | — | — | N/A | Power Steering; w/ Production Code HD, w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2000 | Chevrolet | Suburban 2500 | — | — | N/A | Power Steering; w/ Production Code HD, w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2000 | GMC | Sierra 2500 | — | — | N/A | Power Steering; w/ Production Code HD, w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 2000 | GMC | Yukon XL 2500 | — | — | N/A | Power Steering; w/ Production Code HD, w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 1999 | Chevrolet | Silverado 2500 | — | — | N/A | Power Steering; w/ Production Code HD, w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| 1999 | GMC | Sierra 2500 | — | — | N/A | Power Steering; w/ Production Code HD, w/ 32 Splines on Sector Shaft; Reman Steering Gear |
| No rows match your filter. | ||||||
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
150687591574848219321412260798802609987588952530