Mevotech Supreme CMS30103 rear left upper control arm with ball joint for the 2003-2008 Infiniti FX35 and other vehicles connects the rear left wheel to the body and lets it move with the road. The ball joint is built into the arm, so this control arm and ball joint assembly replaces both.
- Mevotech Supreme design engineered in-house with application-specific upgrades for durability and performance
- Labor Saver™ designs, tools and hardware made to speed up installation
- Protective surface treatment to prevent rust build-up
- Extensive in-house and third-party durability testing
- Pre-greased assembly
Quick facts
- Part: Mevotech Supreme CMS30103 control arm with ball joint
- Also called: control arm and ball joint assembly
- Fits: 2003-2008 Infiniti FX35 and other vehicles
- Position: Rear left upper
- Condition: New
A clunk over bumps or uneven rear tire wear can mean this arm or its ball joint is worn, though a tired shock or a loose sway bar link can be behind the same signs, so find the source before ordering. The left and right rear upper arms are normally replaced together, and this listing is one rear left upper arm.
Fits
It is a control arm for the 2003-2008 Infiniti FX35 and the 2003-2008 Infiniti FX45, and either one takes a single arm at the rear left upper position; the rear right upper arm is a separate part.
Specifications
Fit and size
- Position: rear left upper
- Quantity per vehicle: 1
- Maximum length: 15.5 in
- Maximum width: 11.0 in
Build and materials
- Type: control arm with ball joint
- Adjustable: No
- Pre-greased: Yes
- Surface: protective surface treatment
- Condition: New
- Country of origin: China
In the box
One control arm with ball joint and the essential mounting hardware.
Interchange: 101-6140 · 102-6140 · 521-427
19292124 · CB61507 · CB61507PR · CA10288 · 55502CG000 · 4CB30038 · CAK621688 · RK621688 · GS30103 · 2606289 · 30030373 · 5021306 · CP1490 · TK621688 · CB95046
This part cross-references / interchanges with the following part numbers:
19292124, 101-6140, 102-6140, 521-427, CB61507, CB61507PR, CA10288, 55502CG000, 4CB30038, CAK621688, RK621688, GS30103, CMS30103, 2606289, 30030373, 5021306, CP1490, TK621688, CB95046
Frequently Asked Questions
Is this control arm right for the 2003-2008 Infiniti FX45?
Yes. Mevotech Supreme CMS30103 fits the 2003-2008 Infiniti FX45 at the rear left upper position, the same as the 2003-2008 Infiniti FX35.
Does the Mevotech Supreme control arm come with mounting hardware?
Yes. Mevotech Supreme CMS30103 comes with all the essential mounting hardware.
What are the dimensions of this rear left upper control arm?
Maximum length is 15.5 in and maximum width is 11.0 in. The arm is not adjustable.
How do I know if a rear control arm ball joint is worn?
A clunk over bumps or uneven tire wear can point to a worn joint. A shop can check play in the joint safely, and worn suspension parts should be looked at promptly rather than driven on.
Does the Mevotech Supreme CMS30103 replace part number 521-427?
Yes. 521-427 is on the interchange list for Mevotech Supreme CMS30103, so it is a listed cross-reference for this arm.
