Keep your front steering linkage supported and pivoting smoothly with the Mevotech Supreme idler arm, part number MS50914. It fits many heavy-duty trucks, among them the 2011-2024 Chevrolet Silverado 2500 HD, 2011-2024 Chevrolet Silverado 3500 HD and 2011-2024 GMC Sierra 2500 HD, as a direct-fit replacement for the listed applications. See the Buyer's Guide tab for the full list and engine details.
The idler arm supports one end of the steering center link and pivots as you turn the wheel, helping hold the front linkage in position. Mevotech Supreme uses premium materials across all components of this arm.
Signs this part may need replacing include excess steering play, wandering, clunking when turning, and uneven front tire wear. If a worn idler arm is the cause, this unit replaces it.
Interchange: 620-497334
620497334 · 19422095 · 19256661 · 19258130 · 84068279 · 84467788 · TA5584 · TA5644 · IA90289 · IA90289PR · IA90289XL · GFA400018 · K400018 · FA5055E · 29064035 · RP20631 · X07ID0038 · JIA118 · JIA120
This part cross-references / interchanges with the following part numbers:
Is this the right Chevrolet Silverado 2500 HD idler arm for my truck?
It is listed for the 2011-2024 Chevrolet Silverado 2500 HD. Check the Buyer's Guide tab to confirm your exact year and configuration.
What does a steering idler arm do?
It supports one end of the steering center link and pivots as you turn the wheel. This helps hold the front steering linkage in position so it moves as designed.
Does the MS50914 come with a grease fitting?
Yes. An SAE grease fitting is included, so the idler arm can be lubricated during routine service.
What are signs an idler arm may need replacing?
Common signs include excess steering play, wandering, clunking when turning and uneven front tire wear. Diagnose the cause first, since other steering or suspension parts can produce these symptoms.
Should I get an alignment after installing it?
Yes, having the wheel alignment checked after replacing an idler arm is recommended. Follow the vehicle service information for torque values and the installation procedure.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
