Dorman 521-099 Suspension Control Arm and Ball Joint Assembly - Front Left Upper
Dorman 521-099 Front Left Upper Control Arm
Dorman 521-099 is a direct replacement suspension control arm and ball joint assembly for select Lexus applications. It is built for the front left upper position and is engineered to restore smooth ride quality, directional stability, and predictable handling on compatible Lexus IS models.
Key Features
- Direct replacement for the original equipment front left upper control arm assembly
- Pre-greased for immediate service readiness
- Ball joint is included and already installed
- Press-in ball joint design with threaded stud
- Steel stamped control arm with rubber bushings
- Mounting hardware included
- Black finish for a clean OE-style appearance
- Part number: 521-099
Detailed Description
This suspension control arm and ball joint assembly is built with a stamped steel arm, rubber bushings, and a press-in ball joint to match the original layout on specific Lexus front suspension applications. Dorman 521-099 is pre-greased and supplied with the ball joint installed, helping simplify replacement of worn upper control arm components. It is a regular-grade, light-duty suspension component intended for the front left upper position on Lexus IS300, IS350, IS200t, IS250, and IS F models listed below. This part cross-references MOOG Chassis Products RK622662 for the same application.
Vehicle Fitment
- Fits 2018-2020 Lexus IS300, front left upper
- Fits 2006-2020 Lexus IS350, front left upper
- Fits 2016-2017 Lexus IS200t, front left upper
- Fits 2006-2015 Lexus IS250, front left upper
- Fits 2008-2014 Lexus IS F, front left upper
Common Problems This Part Can Address
- Clunking or knocking from the front suspension
- Excessive play from a worn upper control arm ball joint
- Uneven tire wear related to suspension looseness
- Steering wander or reduced directional stability
- Harsh or inconsistent front-end ride behavior
Installation Notes and Tips
Install this assembly in the front left upper position only on the listed Lexus applications. Because the ball joint is press-in and already installed, replacement typically focuses on removing the worn assembly and transferring the mounting points to the vehicle suspension. Verify alignment after installation, since upper control arm replacement can affect camber and caster settings. Confirm fitment by year, model, and position before ordering; Dorman 521-099 is listed for specific Lexus IS300, IS350, IS200t, IS250, and IS F vehicles.
Quality Assurance
Dorman uses an industry-focused evaluation process to verify fit, function, and suspension performance characteristics. That process supports OE-style replacement quality for Lexus front suspension service and helps maintain smooth ride control and predictable dynamics.
Dorman 521-099 Suspension Control Arm and Ball Joint Assembly - Front Left Upper
Dorman 521-099 Front Left Upper Control Arm
Dorman 521-099 is a direct replacement suspension control arm and ball joint assembly for select Lexus applications. It is built for the front left upper position and is engineered to restore smooth ride quality, directional stability, and predictable handling on compatible Lexus IS models.
Key Features
- Direct replacement for the original equipment front left upper control arm assembly
- Pre-greased for immediate service readiness
- Ball joint is included and already installed
- Press-in ball joint design with threaded stud
- Steel stamped control arm with rubber bushings
- Mounting hardware included
- Black finish for a clean OE-style appearance
- Part number: 521-099
Detailed Description
This suspension control arm and ball joint assembly is built with a stamped steel arm, rubber bushings, and a press-in ball joint to match the original layout on specific Lexus front suspension applications. Dorman 521-099 is pre-greased and supplied with the ball joint installed, helping simplify replacement of worn upper control arm components. It is a regular-grade, light-duty suspension component intended for the front left upper position on Lexus IS300, IS350, IS200t, IS250, and IS F models listed below. This part cross-references MOOG Chassis Products RK622662 for the same application.
Vehicle Fitment
- Fits 2018-2020 Lexus IS300, front left upper
- Fits 2006-2020 Lexus IS350, front left upper
- Fits 2016-2017 Lexus IS200t, front left upper
- Fits 2006-2015 Lexus IS250, front left upper
- Fits 2008-2014 Lexus IS F, front left upper
Common Problems This Part Can Address
- Clunking or knocking from the front suspension
- Excessive play from a worn upper control arm ball joint
- Uneven tire wear related to suspension looseness
- Steering wander or reduced directional stability
- Harsh or inconsistent front-end ride behavior
Installation Notes and Tips
Install this assembly in the front left upper position only on the listed Lexus applications. Because the ball joint is press-in and already installed, replacement typically focuses on removing the worn assembly and transferring the mounting points to the vehicle suspension. Verify alignment after installation, since upper control arm replacement can affect camber and caster settings. Confirm fitment by year, model, and position before ordering; Dorman 521-099 is listed for specific Lexus IS300, IS350, IS200t, IS250, and IS F vehicles.
Quality Assurance
Dorman uses an industry-focused evaluation process to verify fit, function, and suspension performance characteristics. That process supports OE-style replacement quality for Lexus front suspension service and helps maintain smooth ride control and predictable dynamics.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Dorman 521-099 Front Left Upper Control Arm
Dorman 521-099 is a direct replacement suspension control arm and ball joint assembly for select Lexus applications. It is built for the front left upper position and is engineered to restore smooth ride quality, directional stability, and predictable handling on compatible Lexus IS models.
Key Features
- Direct replacement for the original equipment front left upper control arm assembly
- Pre-greased for immediate service readiness
- Ball joint is included and already installed
- Press-in ball joint design with threaded stud
- Steel stamped control arm with rubber bushings
- Mounting hardware included
- Black finish for a clean OE-style appearance
- Part number: 521-099
Detailed Description
This suspension control arm and ball joint assembly is built with a stamped steel arm, rubber bushings, and a press-in ball joint to match the original layout on specific Lexus front suspension applications. Dorman 521-099 is pre-greased and supplied with the ball joint installed, helping simplify replacement of worn upper control arm components. It is a regular-grade, light-duty suspension component intended for the front left upper position on Lexus IS300, IS350, IS200t, IS250, and IS F models listed below. This part cross-references MOOG Chassis Products RK622662 for the same application.
Vehicle Fitment
- Fits 2018-2020 Lexus IS300, front left upper
- Fits 2006-2020 Lexus IS350, front left upper
- Fits 2016-2017 Lexus IS200t, front left upper
- Fits 2006-2015 Lexus IS250, front left upper
- Fits 2008-2014 Lexus IS F, front left upper
Common Problems This Part Can Address
- Clunking or knocking from the front suspension
- Excessive play from a worn upper control arm ball joint
- Uneven tire wear related to suspension looseness
- Steering wander or reduced directional stability
- Harsh or inconsistent front-end ride behavior
Installation Notes and Tips
Install this assembly in the front left upper position only on the listed Lexus applications. Because the ball joint is press-in and already installed, replacement typically focuses on removing the worn assembly and transferring the mounting points to the vehicle suspension. Verify alignment after installation, since upper control arm replacement can affect camber and caster settings. Confirm fitment by year, model, and position before ordering; Dorman 521-099 is listed for specific Lexus IS300, IS350, IS200t, IS250, and IS F vehicles.
Quality Assurance
Dorman uses an industry-focused evaluation process to verify fit, function, and suspension performance characteristics. That process supports OE-style replacement quality for Lexus front suspension service and helps maintain smooth ride control and predictable dynamics.
