Moog K6149 Steering Idler Arm

MOOG K6149 Steering Idler Arm

The MOOG K6149 steering idler arm is built for classic GM steering systems that need precise support and smooth linkage movement. It features a pre-greased design with a grease fitting included, helping simplify service while supporting long-term steering performance.

Key Features

• Pre-greased for easier initial service
• Grease fitting included for routine maintenance
• Length: 138.0 mm / 5.433 in.
• Mounting hole diameter: 24.213 mm / 615.0 in.
• MOOG chassis engineering focused on extended product life and easier replacement

Detailed Description

Built for steering linkage applications, the MOOG K6149 is a steering idler arm made for select 1972-1974 Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. It is listed for models such as the Buick Century, Regal, Skylark, Chevrolet El Camino, Malibu, Monte Carlo, Bel Air, Caprice, and Impala, along with Pontiac Grand Prix, LeMans, GTO, and related GM platforms. This part cross-references Mevotech Supreme MK6149 for the same application.

MOOG’s chassis design approach focuses on serviceability and durability, with enhancements intended to support longer part life and easier installation and replacement. The K6149 part number is a direct reference for buyers searching for a steering idler arm for 1973-1974 Buick Century, 1973-1974 Chevrolet Malibu, or 1972-1974 Pontiac Grand Prix steering repair work.

What It Helps Fix

• Steering play or looseness in the linkage
• Uneven steering response during turning
• Excess movement caused by worn idler arm components
• Maintenance issues on grease-service steering systems
• Restoration work on classic GM steering assemblies

Installation Notes and Tips

Verify vehicle fitment by year, make, and model before installation. This part is listed for N/A position applications and includes a grease fitting, so routine lubrication should be part of normal service intervals. Confirm the curved-arm and production-date notes where shown in fitment data, especially for 1972 Buick Skylark and 1972 Pontiac Grand Prix applications.

Quality Assurance

MOOG is known in the chassis category for steering and suspension parts engineered with serviceability in mind. The K6149 reflects that approach with pre-greased construction and a service grease fitting for maintenance access.

• Fits 1973-1974 Buick Century, N/A; with Curved Arm; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces
• Fits 1973-1974 Buick LeSabre, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Buick Regal, N/A; with Curved Arm; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces
• Fits 1973-1974 Buick Riviera, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Chevrolet El Camino, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Chevrolet Malibu, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Chevrolet Monte Carlo, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Oldsmobile 98, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Oldsmobile Custom Cruiser, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Oldsmobile Cutlass, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Oldsmobile Cutlass Supreme, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Oldsmobile Delta 88, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Pontiac Bonneville, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Pontiac Catalina, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Pontiac Grand Am, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Pontiac Grand Prix, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Pontiac LeMans, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973-1974 Pontiac Parisienne, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973 Chevrolet Bel Air, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973 Chevrolet Caprice, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973 Chevrolet Impala, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1973 Pontiac GTO, N/A; Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link.
• Fits 1972 Buick Skylark, N/A; From 10/9/72; with Curved Arm; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces
• Fits 1972 Pontiac Grand Prix, N/A; From 10/9/72; with Curved Arm; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces