Help keep your front steering linkage supported and pivoting smoothly with the Mevotech Supreme Idler Arm, part number MK6390. It fits many vehicles, among them the 1988-1992 Chevrolet C1500, 1988-1992 Chevrolet K1500 and 1992 GMC Yukon, as a direct-fit replacement for the listed applications. See the Buyer's Guide tab for the full list and engine details.
This steering idler arm holds up one end of the center link and swings with it as the wheel turns. It works alongside the pitman arm to carry steering motion across to the front wheels.
If you are shopping for a 1988-1992 Chevrolet K1500 idler arm, watch for these signs that the part may need replacing: excess play or looseness in the steering, wandering on the road, clunking when turning, or uneven front tire wear. These symptoms can have other causes, so inspect the steering and suspension before replacing parts.
Interchange: 620.66029 · DW-K6390
62066029 · DWK6390 · 19289225 · 26016461 · TA2133 · IA6390 · IA6390PR · FA1680 · IK6390 · K6390 · 29064011 · 20764 · X07ID0004 · JIA211 · TK6390 · XK6390
This part cross-references / interchanges with the following part numbers:
Is this the right 1988-1992 Chevrolet C1500 idler arm?
Yes. It is a direct-fit replacement for the 1988-1992 Chevrolet C1500 and also fits many other vehicles, among them the 1988-1992 Chevrolet K1500 and 1992 GMC Yukon. See the Buyer's Guide tab for the full list.
What does an idler arm do?
It supports one end of the steering center link and pivots as the steering moves. This helps hold the linkage in position so steering input reaches the front wheels.
Can the Mevotech Supreme MK6390 be greased?
Yes. An SAE grease fitting is included, so the idler arm can be lubricated during routine service. Follow your vehicle's service information for the lubrication schedule.
What are signs of a worn idler arm?
Signs it may need replacing include loose or vague steering, wandering, clunking when turning and uneven front tire wear. These can have other causes, so inspect the steering linkage first.
How is this idler arm protected against rust?
Mevotech Supreme applies a protective surface treatment that helps resist rust build-up. Premium materials are used on all of its components.
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.
