Front Left Lower Control Arm with Ball Joint & Bushing for 2011-2020

In this review of the Metrix Premium replacement front left lower control arm assembly, the bottom line is simple: it is a direct-fit, heavy steel component that targets Sienna owners who need a durable, OE-quality suspension fix without paying dealer prices. The reviewer found the assembly notable for its straightforward compatibility with 2011-2020 Toyota Sienna models and appreciated that it arrives with a cotter pin and both ball joint and bushing preassembled, which simplifies installation and reduces installation time for DIYers and independent shops alike.

Key Features

• Direct fit compatibility: The part is designed for 2011-2020 Toyota Sienna models, so buyers can expect a straightforward replacement without major modifications.
• Complete assembly: The control arm ships as a single unit with the ball joint and bushing installed, saving time during replacement and avoiding extra parts sourcing.
• Steel construction: Made from steel for strength and longevity, this control arm resists flex and wear common in suspension components.
• Includes cotter pin: A cotter pin is included in the box so the installer has the required hardware for a correct, safe installation.
• Manufacturing standards: Built to exceed OEM standards with IATF 16949 and ISO 9001 certification, which supports consistent quality control.
• Warranty backed: Comes with a 3 Year / 36,000 mile limited warranty from installation date, providing extra assurance after purchase.

Who It's For

This control arm is best for Toyota Sienna owners, independent mechanics, and competent DIY installers who want an OE-style replacement that emphasizes durability and fit. Because it arrives as a full assembly with hardware, it is particularly useful for those replacing a worn lower control arm and looking to complete the job in a single service session.

It is less appropriate for someone seeking a generic universal arm or experimental aftermarket geometry changes; those customers should look for adjustable or performance-specific arms rather than a factory-style replacement focused on correct fit and reliability.

Pros & Cons

Pros

• Direct fit for 2011-2020 Toyota Sienna models makes installation predictable and fast.
• Preassembled ball joint and bushing reduce parts fuss and save labor time.
• Steel construction and quality certifications indicate strong manufacturing controls and durability.
• Three year / 36,000 mile limited warranty adds ownership confidence.

Cons

• Designed as a like-for-like replacement, it does not offer adjustable geometry or performance upgrades for modified vehicles.

Specifications

Compatible models	2011-2020 Toyota Sienna
Material	Steel
Quantity in box	1 assembly
Includes	Ball joint, bushing, cotter pin
OE/Interchange numbers	RK622036, CMS861130, 522-497, 4806908040
Certifications	IATF 16949 and ISO 9001
Warranty	3 Year / 36,000 miles limited warranty

Our Verdict

The Metrix Premium front left lower control arm assembly is a solid, value-minded replacement for the 2011-2020 Toyota Sienna owner who wants correct fit and factory-style performance. With steel construction, certified manufacturing, and a three year warranty, it represents good value for anyone replacing a worn arm without needing special performance features.

Frequently Asked Questions

Does this part fit my Sienna?
It is listed for 2011-2020 Toyota Sienna models; verify your VIN or existing part number against the OE interchange numbers provided.

Is the ball joint serviceable?
The control arm is sold as a preassembled unit with ball joint and bushing installed for straightforward replacement rather than separate service of the joint.

What warranty is included?
The part includes a 3 Year / 36,000 mile limited warranty from date of installation.