TRQ Front Upper Left Control Arm with Ball Joint Included - Direct Fit

In this review of the TRQ Front Upper Left Control Arm with Ball Joint Included, the bottom line is simple: this is a practical direct-fit replacement for owners of 1990-1994 Lexus LS400 who need a durable, ready-to-install upper driver side control arm. The reviewer found it best for DIYers who value compatibility and a pre-assembled unit that eliminates guesswork during installation. It addresses common wear points with included bushings and a machined ball joint mounting, making it the fastest route back to safe steering and suspension feel.

Key Features

• Direct fit replacement: Pre-assembled to match the original mounting points so no modifications are required during installation.
• Included bushings and ball joint mounting: Comes with bushings installed and a machined ball joint mounting for straightforward alignment and function.
• Steel construction: Durable steel arm construction provides long-term resistance to road stresses for improved longevity.
• Compatibility guidance: Multiple reference numbers are supplied so owners can confirm fitment against factory or aftermarket catalogs with confidence.
• DIY video support: The brand provides online DIY resources to help with removal and installation, reducing install time and uncertainty.
• Ease of installation: Designed as a direct replacement to reduce shop time and make it accessible for competent home mechanics.

Who It's For

This part is primarily for owners or mechanics servicing a 1990-1994 Lexus LS400 front driver side upper control arm. It suits DIYers who want a direct-fit replacement with included bushings and a machined ball joint mounting so they can complete the job without sourcing additional components.

Those who should look elsewhere include owners who need a different model year, side, or a part with a greasable ball joint or adjustable features; the unit reviewed is non-greasable and non-adjustable, so applications requiring those options will need alternate parts.

Pros & Cons

Pros

• Direct-fit design simplifies installation and reduces the chance of fitment errors.
• Included bushings and machined ball joint mounting make the assembly ready to install.
• Steel construction and multiple reference numbers help ensure compatibility and durability.

Cons

• Some customers reported ball joint issues, so inspection before installation is prudent.

Specifications

Application	1990-1994 Lexus LS400 front driver side upper
Material	Steel
Ball joint mounting type	Machined
Adjustable	No
Greaseable	No
Bushings included	Yes
Reference numbers	Multiple including RK620813, 4863050020, 102-7188

Our Verdict

The TRQ front upper left control arm is a sensible, cost-effective replacement for 1990-1994 Lexus LS400 drivers seeking a direct-fit, pre-assembled unit. It delivers practical value through included bushings, machined mounting, and steel construction, making it a good choice for DIY installers and independent shops, provided buyers inspect the ball joint on arrival.

Frequently Asked Questions

Will this part fit my 1993 LS400?
Yes, it is listed as compatible with 1990-1994 Lexus LS400 front driver side upper applications; confirm fitment against your vehicle references.

Does the ball joint come greasable?
No, the control arm is non-greasable and the ball joint mounting is machined but not greaseable.

Are bushings included with the arm?
Yes, bushings are included and the unit is supplied pre-assembled to simplify installation.