BBB Industries N503-0129 Steering Gear

New Steering Gear for GM Trucks and SUVs

BBB Industries N503-0129 is a new electric steering gear built for select Chevrolet and GMC trucks and SUVs from the late 1980s through 1995. It is specified for power steering applications and includes an installation kit, making it a direct replacement option for common steering wear concerns on C1500, K1500, C2500, and related platforms.

Key Features

• Brand: BBB Industries New Steering Gear
• Part number: N503-0129
• Electric steering gear for power steering systems
• New, not remanufactured
• 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
• Three mounting holes
• Turns lock to lock: 3.063
• Installation kit included

Product Details

BBB Industries N503-0129 is part of the New Steering Gear line, a product line focused on replacement steering components for vehicles that need precise steering response and correct hydraulic port and shaft specifications. This unit is built for select Chevrolet and GMC applications, including 1990-1995 Chevrolet C1500, 1988-1995 Chevrolet C2500, 1988-1995 GMC K1500, and 1992-1995 GMC Yukon models equipped with power steering. It also covers related Suburban, Blazer, and K-series applications listed in the fitment data. This part cross-references OE numbers such as 19321377 and 26003874 for the same application.

Common Problems This Part Can Address

• Excessive steering play or loose steering feel
• Hard steering or inconsistent steering effort in power steering systems
• Fluid leakage at steering gear ports or seals
• Worn internal gear components causing poor road feel
• Steering response issues on high-mileage Chevrolet and GMC trucks

Installation Notes and Fitment

Fits 1990-1995 Chevrolet C1500, N/A, Power Steering; w/o Sport Package (ZQ8); New Steering Gear. Fits 1988-1989 Chevrolet C1500, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1992-1995 Chevrolet C1500 Suburban, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1988-1995 Chevrolet C2500, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1988-1995 Chevrolet C2500, N/A, Power Steering; w/ 7200lb. GVW (C5Z); New Steering Gear. Fits 1992-1995 Chevrolet C2500 Suburban, N/A, Power Steering; w/ 7200 lb. GVW; New Steering Gear. Fits 1988-1995 Chevrolet K1500, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1992-1995 Chevrolet K1500 Suburban, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1988-1991 Chevrolet K2500, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1994-1995 Chevrolet K2500, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1988-1995 Chevrolet K2500, N/A, Power Steering; w/ 7200lb. GVW (C5Z); New Steering Gear. Fits 1992-1995 Chevrolet K2500 Suburban, N/A, Power Steering; w/ 7200 lb. GVW; New Steering Gear. Fits 1995 Chevrolet Tahoe, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1990-1995 GMC C1500, N/A, Power Steering; w/o Sport Package (ZQ8); New Steering Gear. Fits 1988-1989 GMC C1500, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1992-1995 GMC C1500 Suburban, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1988-1995 GMC C2500, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1988-1995 GMC C2500, N/A, Power Steering; w/ 7200lb. GVW (C5Z); New Steering Gear. Fits 1992-1995 GMC C2500 Suburban, N/A, Power Steering; w/ 7200 lb. GVW; New Steering Gear. Fits 1988-1995 GMC K1500, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1992-1995 GMC K1500 Suburban, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1988-1991 GMC K2500, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1994-1995 GMC K2500, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1988-1995 GMC K2500, N/A, Power Steering; w/ 7200lb. GVW (C5Z); New Steering Gear. Fits 1992-1995 GMC K2500 Suburban, N/A, Power Steering; w/ 7200 lb. GVW; New Steering Gear. Fits 1992-1995 GMC Yukon, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear. Fits 1992-1994 Chevrolet Blazer, N/A, Compatible with vehicles equipped with power steering.; New Steering Gear.

Quality Assurance

BBB Industries supplies replacement steering components with application-specific dimensions, port sizing, and mounting points to support correct installation on the listed Chevrolet and GMC platforms. Verify shaft spline count, port thread size, and vehicle configuration before installation to confirm match with the original steering gear.