Product Description
The MOOG K400020 Idler Arm Pivot Assembly restores tight steering control and front-end stability on heavy-duty GM trucks. Designed for 2011-2017 Chevy Silverado and GMC Sierra 2500HD/3500HD, this MOOG Problem Solver component provides improved durability and steering response compared to worn OE components.
Loose steering, wandering, and uneven tire wear are often caused by worn idler arm pivots. The MOOG K400020 features a greasable socket design that allows fresh lubricant to flush out contaminants, reducing corrosion and extending service life. Built with engineered steel components and precision tolerances, this assembly helps restore OEM-level steering stability and alignment accuracy.
Key Features
- MOOG Problem Solver engineering for improved durability
- Greasable pivot socket flushes contaminants and reduces wear
- Heavy-duty steel construction designed for HD truck steering loads
- Bolt-on replacement design simplifies installation
- Restores steering linkage stability and reduces front-end play
Fitment
- 2011 Chevy Silverado 2500HD
- 2012 Chevy Silverado 2500HD
- 2013 Chevy Silverado 2500HD
- 2014 Chevy Silverado 2500HD
- 2015 Chevy Silverado 2500HD
- 2016 Chevy Silverado 2500HD
- 2017 Chevy Silverado 2500HD
- 2011 Chevy Silverado 3500HD
- 2012 Chevy Silverado 3500HD
- 2013 Chevy Silverado 3500HD
- 2014 Chevy Silverado 3500HD
- 2015 Chevy Silverado 3500HD
- 2016 Chevy Silverado 3500HD
- 2017 Chevy Silverado 3500HD
- 2011 GMC Sierra 2500HD
- 2012 GMC Sierra 2500HD
- 2013 GMC Sierra 2500HD
- 2014 GMC Sierra 2500HD
- 2015 GMC Sierra 2500HD
- 2016 GMC Sierra 2500HD
- 2017 GMC Sierra 2500HD
- 2011 GMC Sierra 3500HD
- 2012 GMC Sierra 3500HD
- 2013 GMC Sierra 3500HD
- 2014 GMC Sierra 3500HD
- 2015 GMC Sierra 3500HD
- 2016 GMC Sierra 3500HD
- 2017 GMC Sierra 3500HD
This component supports the steering center link opposite the steering gear and plays a critical role in maintaining proper steering geometry and front-end stability.
Specifications for MOOG K400020
| Specifications for MOOG K400020 | |
|---|---|
| UPC | 080066052779 |
| GTIN | 0080066052779 |
| Shipping Info | Estimated Shipping Weight: 6.1 lbs Package Dimensions: 9 in x 7 in x 6 in |
| Prop 65 | WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information visit www.P65Warnings.ca.gov. |
FAQ
What does an idler arm pivot assembly do?The idler arm pivot supports the center link in the steering system. It keeps the steering linkage aligned and stable while allowing smooth steering movement.
What symptoms indicate a worn idler arm pivot?
Common signs include loose steering, wandering on the highway, uneven tire wear, and excessive play in the steering linkage.
Is the MOOG K400020 greasable?
Yes. The assembly includes a greasable socket design that allows contaminants to be flushed out during maintenance, improving durability and service life.
Will this fit Duramax diesel trucks?
Yes. This part fits 2011-2017 Duramax-equipped Silverado and Sierra 2500HD/3500HD trucks along with gas engine variants in the same chassis.
Is this a direct bolt-on replacement?
Yes. The MOOG K400020 is designed as a direct OE replacement and installs using factory mounting points.
