Dorman IB90116RD Steering Idler Arm Bracket

Dorman RD Rugged Duty Steering Bracket

The Dorman RD - Rugged Duty steering idler arm bracket is built for demanding steering systems that need stable load support and long service life. Part number IB90116RD is engineered with a hardened ball stud, polished ball surface, and serviceable integrated bearing for consistent steering performance on compatible Chevrolet and GMC trucks and SUVs.

Designed for applications such as Chevrolet C1500, K1500, Tahoe, and GMC Yukon, this Dorman IB90116RD bracket focuses on durability, corrosion resistance, and dependable steering support in high-load front suspension setups.

• Steel construction with gray phosphate coated finish for corrosion resistance
• Hardened ball stud with highly polished ball for smooth movement
• Serviceable integrated bearing for maintenance-friendly operation
• I.C.E. synthetic grease for internal lubrication
• Bracket hole quantity: 3; mounting hole size: 12.1 mm
• Arm attachment uses a 16 mm tapered connection
• Pre-greased design with dust boot and castle nut included

RD Rugged Duty Line Details

The RD - Rugged Duty line from Dorman is aimed at steering and chassis parts that see heavier loading and harsher operating conditions. For this application, the IB90116RD combines a reinforced steel bracket with premium corrosion protection and serviceable bearing design to support steering geometry in trucks and SUVs that work harder than standard-duty vehicles.

This part cross-references MOOG Chassis Products K6722 and Mevotech Supreme MK6532 for the same application.

Fitment Coverage

• Fits 1999-2000 Cadillac Escalade, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-2000 Chevrolet C2500, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-2000 Chevrolet C3500, N/A, w/Independent Front Suspension; RD - Rugged Duty
• Fits 1993-2000 Chevrolet K2500, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-2000 Chevrolet K3500, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1995-2000 Chevrolet Tahoe, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-2000 GMC C2500, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-2000 GMC C3500, N/A, w/Independent Front Suspension; RD - Rugged Duty
• Fits 1993-2000 GMC K2500, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-2000 GMC K3500, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-2000 GMC Yukon, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1999 Chevrolet C1500, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1999 Chevrolet C1500 Suburban, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1999 Chevrolet C2500 Suburban, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1999 Chevrolet K1500, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1999 Chevrolet K1500 Suburban, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1999 Chevrolet K2500 Suburban, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1995-1999 Chevrolet Silverado, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1999 GMC C1500, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1999 GMC C1500 Suburban, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1999 GMC C2500 Suburban, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1999 GMC K1500, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1999 GMC K1500 Suburban, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1999 GMC K2500 Suburban, N/A, w/Grease Hose Kit; RD - Rugged Duty
• Fits 1993-1994 Chevrolet Blazer, N/A, w/Grease Hose Kit; RD - Rugged Duty

Common Steering Issues It Can Address

• Loose or inconsistent steering feel from a worn idler arm bracket
• Excess play in the steering linkage on Chevrolet and GMC trucks and SUVs
• Noise or binding caused by worn bearing support in the bracket assembly
• Corrosion-related wear in underbody steering components
• Steering geometry problems after replacing related front-end parts

Installation Notes

Verify the vehicle uses the listed grease hose kit or independent front suspension configuration before ordering. Confirm the 16 mm tapered arm attachment, 3-hole bracket layout, and 12.1 mm mounting hole size against the original part. For best results, inspect related steering linkage components, torque fasteners to factory specifications, and align the front end after installation.

Quality Assurance

Dorman RD - Rugged Duty parts are built for higher-load steering applications with serviceable bearing design, pre-greased internal lubrication, and corrosion-resistant coating. Part number IB90116RD is engineered to meet the demands of compatible Chevrolet C1500, K1500, Tahoe, GMC Yukon, and related applications.