Delphi TC9399 front right upper control arm with ball joint for the 2015-2025 Lexus RC350 and other vehicles connects the wheel to the chassis and lets it pivot. This Delphi control arm, also called a control arm and ball joint assembly, comes as one piece.
- Tested to withstand temperatures below -40 degrees C and over 120 degrees C, and 720 hours of salt spray
- 100% crack detection and ultrasonic flaw detection on every control arm
- Ball studs machined to micron tolerances for durability and smooth joint operation
- Robot welding for consistent performance and quality
- Anti-corrosion protection applied to each part
Quick facts
- Part: Delphi TC9399 control arm with ball joint
- Also called: control arm and ball joint assembly
- Fits: 2015-2025 Lexus RC350 and other vehicles
- Position: Front right upper
- Condition: New
A clunk over bumps, uneven tire wear or steering that wanders can mean this arm or its ball joint is worn, though a worn tie rod end or strut mount can produce similar signs.
Fits
This front right upper control arm fits the 2015-2025 Lexus RC350, the 2018-2025 Lexus RC300 and the 2021-2025 Lexus IS300, with one arm per car on this side. This listing is a single arm; the left upper arm on the same axle is a separate part and is normally replaced at the same time. If your Lexus is not named here, look up your year and model in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: front right upper
- Quantity per vehicle: 1
Build and materials
- Type: control arm with ball joint
- Finish: anti-corrosion protection
- Condition: new
Interchange: 526-540 · 48610-39185
1028146 · RK623970 · CMS861275 · X30CJ0988
This part cross-references / interchanges with the following part numbers:
1028146, 526-540, RK623970, CMS861275, X30CJ0988, 48610-39185
Frequently Asked Questions
Does the Delphi TC9399 fit a 2015-2025 Lexus RC350?
Yes. Delphi TC9399 is the front right upper control arm for the 2015-2025 Lexus RC350. Other vehicles are covered in the "Vehicles it fits" section.
Which side of the car does this control arm go on?
This control arm is for the front right upper position, and the car takes one on that side. The front left upper arm is a separate part.
How are the ball studs on this control arm made?
The ball studs are machined to micron tolerances for durability and smooth joint operation. The arms also go through 100% crack detection and ultrasonic flaw detection.
Does Delphi TC9399 replace number 48610-39185?
Yes. Delphi TC9399 is cross-referenced to 48610-39185. The other numbers it replaces are on the Interchange line.
How is this control arm tested for heat, cold and salt?
Delphi tests these parts below -40 degrees C and over 120 degrees C, and exposes them to 720 hours of salt spray. Anti-corrosion protection is applied to each part.
