HomeSuspension > Suspension, Springs and Related ComponentsSuspensia X30CJ0989 Suspension Control Arm and Ball Joint Assembly - Front Left Upper
Part #: X30CJ0989

Suspensia X30CJ0989 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Front Left Upper
⚙️ 58 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Lexus, GS200t, GS300, GS350, GS450h, IS300, IS350, IS500, RC F, RC200t, RC300, and RC350
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Suspensia Suspension Control Arm and Ball Joint Assembly Overview

The Suspensia X30CJ0989 suspension control arm and ball joint assembly is engineered for precision and durability. Designed specifically for Lexus models including GS200t, GS300, GS350, GS450h, IS300, IS350, IS500, RC200t, RC300, RC350, and RC F, this component ensures reliable suspension performance and improved handling.

  • Constructed from forged aluminum for strength and reduced weight
  • Includes black rubber bushings and dust boots for enhanced durability
  • Pre-greased ball joint for immediate use and reduced maintenance
  • Equipped with M12 x 1.25 stud thread size and castle nut for secure fitment
  • Comes with cotter pin and black rubber dust boot to protect joint integrity
  • Compatible with multiple Lexus GS, IS, and RC series models

Durable Materials and Design Features

This control arm and ball joint assembly is crafted from forged aluminum, providing a balance of strength and lightweight performance. The black rubber bushings and dust boots help absorb vibrations and protect the joint from contaminants, extending the lifespan of the suspension components. The ball joint comes pre-greased, eliminating the need for immediate lubrication after installation. The assembly includes a castle nut and cotter pin to ensure a secure and safe connection to the vehicle’s suspension system.

Compatible Lexus Models and Part Number Details

The Suspensia X30CJ0989 is compatible with a range of Lexus vehicles, including the GS200t, GS300, GS350, GS450h, IS300, IS350, IS500, RC200t, RC300, RC350, and RC F models. This part number is specifically designed to meet the suspension requirements of these vehicles, ensuring proper fit and function.

Common Suspension Issues Addressed

  • Worn or damaged control arms causing poor handling or alignment issues
  • Ball joint wear leading to suspension noise or looseness
  • Vibration and harshness due to deteriorated bushings
  • Contaminant ingress causing premature joint failure
  • Loose or unsafe suspension connections affecting vehicle stability

Installation Notes and Tips

Installation requires a 17mm wrench size for proper torque application. The assembly comes pre-greased and includes a castle nut and cotter pin for secure installation. Although grease fittings are not included, the pre-lubricated ball joint reduces maintenance needs. Ensure all components are properly seated and secured to maintain suspension integrity and vehicle safety.

Quality Assurance and Warranty

Suspensia suspension components are manufactured to meet regular grade standards, ensuring consistent performance and reliability. The use of forged aluminum and quality rubber materials supports long-term durability. Warranty information should be confirmed with the point of purchase or manufacturer documentation.

BrandSuspensia
Part NumberX30CJ0989
MaterialForged aluminum
Bushing ColorBlack
Stud Thread SizeM12 x 1.25
Pre-GreasedYes
Castle Nut IncludedYes
Grease Fitting IncludedNo
Bushings IncludedYes
Dust Boot IncludedYes
Cotter Pin IncludedYes
Grade TypeRegular
Boot MaterialRubber
GreaseableNo
Boot ColorBlack
Bushing MaterialRubber
Wrench Size17
Dust Boot MaterialRubber
9906No
Lock Nut IncludedNo

This part fits 58 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2024LexusIS300RWDFront Left Upper
2024LexusIS350RWDFront Left Upper
2024LexusIS500RWDFront Left Upper
2024LexusRC FRWDFront Left Upper
2024LexusRC300RWDFront Left Upper
2024LexusRC350RWDFront Left Upper
2023LexusIS300RWDFront Left Upper
2023LexusIS350RWDFront Left Upper
2023LexusIS500RWDFront Left Upper
2023LexusRC FRWDFront Left Upper
2023LexusRC300RWDFront Left Upper
2023LexusRC350RWDFront Left Upper
2022LexusIS300RWDFront Left Upper
2022LexusIS350RWDFront Left Upper
2022LexusIS500RWDFront Left Upper
2022LexusRC FRWDFront Left Upper
2022LexusRC300RWDFront Left Upper
2022LexusRC350RWDFront Left Upper
2021LexusIS300RWDFront Left Upper
2021LexusIS350RWDFront Left Upper
2021LexusRC FRWDFront Left Upper
2021LexusRC300RWDFront Left Upper
2021LexusRC350RWDFront Left Upper
2020LexusGS350RWDFront Left Upper
2020LexusRC FRWDFront Left Upper
2020LexusRC300RWDFront Left Upper
2020LexusRC350RWDFront Left Upper
2019LexusGS300RWDFront Left Upper
2019LexusGS350RWDFront Left Upper
2019LexusRC FRWDFront Left Upper
2019LexusRC300RWDFront Left Upper
2019LexusRC350RWDFront Left Upper
2018LexusGS300RWDFront Left Upper
2018LexusGS350RWDFront Left Upper
2018LexusGS450hFront Left Upper
2018LexusRC FRWDFront Left Upper
2018LexusRC300RWDFront Left Upper
2018LexusRC350RWDFront Left Upper
2017LexusGS200tRWDFront Left Upper
2017LexusGS350RWDFront Left Upper
2017LexusGS450hFront Left Upper
2017LexusRC FRWDFront Left Upper
2017LexusRC200tRWDFront Left Upper
2017LexusRC350RWDFront Left Upper
2016LexusGS200tRWDFront Left Upper
2016LexusGS350RWDFront Left Upper
2016LexusGS450hFront Left Upper
2016LexusRC FRWDFront Left Upper
2016LexusRC200tRWDFront Left Upper
2016LexusRC350RWDFront Left Upper
2015LexusGS350RWDFront Left Upper
2015LexusGS450hFront Left Upper
2015LexusRC FRWDFront Left Upper
2015LexusRC350RWDFront Left Upper
2014LexusGS350RWDFront Left Upper
2014LexusGS450hFront Left Upper
2013LexusGS350RWDFront Left Upper
2013LexusGS450hFront Left Upper

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

4863039115

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.