Dorman IA6447RD Steering Idler Arm

Dorman RD Steering Idler Arm for Heavy-Duty Use

Dorman RD IA6447RD is a steering idler arm built for severe-duty service on full-size GM trucks and SUVs. It is engineered for demanding use on Chevrolet and GMC applications where steering reliability matters under towing, hauling, off-road work, and emergency service conditions.

The RD, or Rugged Duty, line is Dorman’s chassis-focused product range for vehicles that see harder-than-normal service. This steering idler arm uses a steel construction with a coated black finish, a tapered arm attachment, and premium-grade hardware details to support long service life in high-load steering systems.

Key Features

• Steel steering idler arm with coated black finish
• Designed for severe-duty steering service
• Tapered arm attachment type
• Arm stud thread diameter: 9/16 in
• Grease fitting included for serviceable maintenance
• Castle nut and mounting hardware included
• Premium grade construction for demanding truck and SUV use

Detailed Description

Dorman RD IA6447RD is a direct replacement steering idler arm for select Chevrolet C/K trucks, Tahoe, Silverado, Blazer, Suburban, GMC C/K trucks, Yukon, and Cadillac Escalade applications. It is built for vehicles that need dependable steering response in heavy hauling, towing, and off-road conditions. The rugged-duty design focuses on durability and service life, making it a practical choice when replacing a worn or failed original idler arm on GM steering systems. This part cross-references MOOG Chassis Products K6447 and Mevotech Supreme MK6447 for the same application. For shoppers searching for a Chevrolet Silverado idler arm replacement, GMC Yukon steering idler arm, or Dorman IA6447RD for 1993-2000 GM trucks, this part matches the specified applications listed below.

Common Problems This Part Can Help Address

• Loose or wandering steering feel
• Excessive play in the steering linkage
• Clunking or knocking from worn steering components
• Uneven steering response during load changes
• Failure of the original idler arm from heavy-duty use

Installation Notes and Tips

Verify vehicle application by year, make, model, and notes before installation. This idler arm is listed for vehicles with no frame bracket where noted, and some applications are marked RD - Rugged Duty. Use the included grease fitting and service the joint according to the vehicle maintenance schedule to help maintain lubrication. After installation, inspect steering linkage alignment and confirm proper fastener torque.

Quality Assurance

Dorman RD chassis parts are engineered for severe-duty service applications and are designed to deliver durable performance in demanding steering and suspension use. IA6447RD is built as a replacement for specified GM vehicles where dependable steering operation is required.

Compatible Vehicles

• Fits 1999-2000 Cadillac Escalade, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-2000 Chevrolet C2500, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-2000 Chevrolet C35, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-2000 Chevrolet C3500, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-2000 Chevrolet K2500, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-2000 Chevrolet K3500, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1995-2000 Chevrolet Tahoe, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-2000 GMC C2500, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-2000 GMC C3500, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-2000 GMC K2500, N/A; RD - Rugged Duty
• Fits 1993-2000 GMC K3500, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-2000 GMC Yukon, N/A; RD - Rugged Duty
• Fits 1993-1999 Chevrolet C1500, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-1999 Chevrolet C1500 Suburban, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-1999 Chevrolet C2500 Suburban, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-1999 Chevrolet K1500, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-1999 Chevrolet K1500 Suburban, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-1999 Chevrolet K2500 Suburban, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1995-1999 Chevrolet Silverado, N/A; RD - Rugged Duty
• Fits 1993-1999 GMC C1500, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-1999 GMC C1500 Suburban, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-1999 GMC C2500 Suburban, N/A; wo/Frame Bracket; RD - Rugged Duty
• Fits 1993-1999 GMC K1500, N/A; RD - Rugged Duty
• Fits 1993-1999 GMC K1500 Suburban, N/A; RD - Rugged Duty
• Fits 1993-1999 GMC K2500 Suburban, N/A; RD - Rugged Duty
• Fits 1993-1994 Chevrolet Blazer, N/A; wo/Frame Bracket; RD - Rugged Duty