TRQ Front Upper Control Arm with Ball Joint Driver Side - Direct Fit

In this review of the TRQ Front Upper Control Arm with Ball Joint for the 1990-1997 Mazda Miata, the bottom line is simple: this is a practical, cost-effective direct replacement for DIYers and independent shops who need a reliable front driver side upper control arm that matches factory fit and function. The reviewer found the part to be well matched to original equipment, straightforward to install thanks to its pre-assembled design, and a solid value for those who want to restore proper suspension geometry without expensive dealer pricing.

Key Features

• Direct fit design: The control arm is built as a direct replacement to save time and eliminate modifications during installation.
• Pre-assembled components: Bushings and ball joint are fitted to reduce disassembly and simplify the swap for technicians and home mechanics.
• Steel construction: A steel control arm body offers durability and a familiar feel compared with original equipment parts.
• Multiple reference numbers: Compatible with several OE references, making it easier to confirm fitment for 1990-97 Miata driver side upper applications.
• DIY support: TRQ provides video resources and guidance to help users view the repair before attempting removal and replacement.

Who It's For

This control arm is best for owners of 1990-1997 Mazda Miata seeking a direct-fit replacement that mirrors the original part in function and mounting. It suits DIY enthusiasts who appreciate pre-assembled parts and follow video instructions, as well as independent mechanics needing an affordable alternative to dealer-sourced parts.

It is less appropriate for those requiring a greasable or adjustable ball joint, or for restorations where matching exact factory finish or OEM supplier branding is critical; those buyers should confirm requirements against their vehicle and parts list before purchasing.

Pros & Cons

Pros

• Good fit and compatibility with 1990-97 Miata driver side upper suspension mounting points.
• Pre-installed bushings and pressed-in ball joint speed installation and reduce labor time.
• Steel construction gives a robust replacement expected to hold up under normal driving conditions.

Cons

• Ball joint is press-in and non-greasable, and some users have reported ball joint issues on rare occasions.

Specifications

Application	1990-1997 Mazda Miata - Front Driver Side Upper
Material	Steel
Ball Joint Mounting Type	Press In (non-greasable)
Bushings	Included (pre-assembled)
Adjustable	No
Reference Numbers	511-58107L; 522-957; CMS801138; NA2334250; RK622750

Our Verdict

The TRQ front upper control arm is a sensible, value-minded choice for Miata owners who need a reliable direct-fit replacement and prefer parts that arrive ready to install. It delivers solid fit and ease of installation for DIYers and shops, though buyers who need a greasable or adjustable ball joint should consider alternatives. Overall, it offers good value when matched to the specified model years.

Frequently Asked Questions

Will this control arm fit my Miata?
It is designed for 1990-1997 Mazda Miata front driver side upper applications; confirm fitment against your vehicle reference numbers before purchase.

Does the ball joint require greasing?
No, the ball joint is a press-in type and is not greasable; this is standard for this direct-fit configuration.

Are bushings included?
Yes, the control arm is supplied with bushings installed to reduce installation steps.