Mevotech MK6164 Steering Idler Arm - Front

Steering Idler Arm for Classic GM Applications

The Mevotech MK6164 steering idler arm is built for front steering service on select 1977-1978 Cadillac, Buick, Chevrolet, Oldsmobile, and Pontiac models. It features a corrosion-resistant finish, pre-greased construction, and serviceable grease fittings for straightforward maintenance.

Key Features

• Corrosion-resistant finish for added protection in undercar environments
• Pre-greased and greaseable for maintenance access
• Dust boot included to help protect internal components
• Castle nut, cotter pin, and grease fitting included
• Tapered arm attachment type for steering linkage connection
• Length: 7.875 in.; Width: 8.125 in.

Detailed Description

Mevotech MK6164 is a front steering idler arm for select full-size GM vehicles, including 1977-1978 Cadillac DeVille, 1977-1978 Cadillac Fleetwood, 1977-1978 Chevrolet Caprice, 1977-1978 Chevrolet Impala, 1977-1978 Buick LeSabre, 1977-1978 Buick Riviera, 1977-1978 Oldsmobile 98, 1977-1978 Oldsmobile Custom Cruiser, 1977-1978 Oldsmobile Delta 88, and 1977-1978 Pontiac Bonneville and Catalina. This part cross-references Dorman - Premium IA6164PR for the same application. The MK6164 part number is also listed among interchange references for related steering service applications.

What It Helps Address

• Loose or wandering steering feel at the front end
• Excess play in the steering linkage
• Uneven steering response during lane changes or turns
• Wear-related noise from the idler arm assembly
• Service needs on older GM steering systems with 7/16 in. or 11 mm bolt configurations, as listed

Installation Notes and Tips

Verify bolt size and fitment details before installation, especially on 1977-1978 Cadillac Fleetwood and the 1978 Oldsmobile and Pontiac applications that list 11 mm bolts. Confirm the front steering position and compare the original arm attachment style, taper, and dimensions before replacement. Use the included castle nut and cotter pin during installation, and follow the vehicle service procedure for proper steering linkage alignment after replacement.

Quality Assurance

Mevotech supplies this steering idler arm with a corrosion-resistant finish, pre-greased construction, a dust boot, and serviceable grease fitting for routine maintenance. The MK6164 is built for direct replacement use on the listed 1977-1978 Cadillac, Buick, Chevrolet, Oldsmobile, and Pontiac front steering applications.