Key Features and Benefits
- Complete 2-Piece Kit (Left & Right)
Replaces both front lower control arms for balanced suspension performance. - Pre-Installed Bushings
Addresses common wear points and reduces install time—no pressing required. - Restores Ride Comfort & Stability
Eliminates vibration, improves steering feel, and tightens overall handling. - Heavy-Duty Construction
Built to handle daily driving, road impacts, and long-term wear. - Direct OEM Replacement Fitment
Designed for easy bolt-on installation with factory mounting points. - Reduces Noise & Vibration
Fixes clunks, braking shimmy, and uneven tire wear caused by worn bushings.
Why Replace These Control Arms?
On Lexus IS and GS platforms, worn lower control arm bushings are a known issue. When they fail, you’ll notice:
- Steering wheel vibration (especially under braking)
- Clunking or knocking noises
- Loose or unstable handling
- Uneven tire wear and alignment issues
Replacing both sides restores smooth, quiet operation and proper suspension geometry—aka that Lexus driving feel you paid for.
[Vehicle Fitment]: Compatible with Lexus GS300 2006-2006 (RWD), GS350 2007-2011 (RWD), GS430 2006-2007, GS450h 2007-2011, GS460 2008-2011, IS F 2008-2014, IS250 2006-2013 (Base Model and RWD Only), IS250 2010-2013 (C Model and RWD Only; without Sport Package), IS250 2014-2015 (C Model), IS250/IS350 2014-2015 (C F Sport), IS350 2006-2010 (Base Model), IS350 2011-2013 (Base Model and RWD Only), IS350 2010-2012 (C Model and RWD Only; without Sport Package), IS350 2013-2015 (C Model)
[One-Step Solution]: This Regulate arm assembly consists of 1pc front lower driver side Regulate arm and 1pc front lower passenger side Regulate arm, either one of which contain premium rubber bushings which can effectively absorb vibration and noise. After installing the product, the following issues could also be improved: ① crash sound ② unstable steering ③ uneven tire wear ④ over the top vibration!!!!
Common Applications
- Suspension refresh on high-mileage Lexus models
- Fixing braking vibration and front-end noise
- Alignment correction and tire wear prevention
- Daily driver ride quality restoration
[Exact Matching]: The size of the A-Premium Regulate arm (the diameter of the bushing, the length of the body arm) is strictly manufactured in keeping with the original specifications, which can make certain that you’ll be able to smoothly align the quite a lot of parts and installation points all the way through the installation process.
[Specification]: Position: Front Lower Left and Right Side; Condition: Brand New; Material: Steel; Regulate Arm Bushing Included: Yes; Ball Joint Included: No; Pre-Greased: Yes; Accessories Included: As Picture; Part Number: RK641920, RK642162, 522-200, 522-199, 48620-30290, 48640-30290
[Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted Regulate arm. We offer all kinds of automotive accessory categories, ensuring that you’ll be able to hit the road with peace of mind.
Technical Highlights
- Position: Front lower (left & right)
- Includes: 2 control arms with bushings
- Fitment: Direct replacement (RWD only)
- Construction: Heavy-duty steel
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