Metrix Premium Front Left Lower Control Arm w Ball Joint - Fits Lexus

Our review of the Metrix Premium Front Left Lower Control Arm concludes it is a practical replacement for owners who need a durable, direct-fit suspension part. Built from steel and supplied with a cotter pin, this control arm is aimed at drivers of 2018-2021 Lexus NX300, 2015-2017 NX200t, 2015-2021 NX300h and 2006-2018 Toyota RAV4 models who want a component that exceeds OEM standards and arrives backed by a clear warranty. The single biggest reason to buy is reliability: Metrix manufactures to IATF 16949 and ISO 9001 standards and includes a 3 year / 36,000 mile limited warranty that provides confidence after installation.

Key Features

• Direct fit compatibility: Designed to replace the factory left lower control arm on specified Lexus and Toyota models so installation is straightforward for a proper match.
• Steel construction: The steel material offers strength and durability that helps the arm resist wear from road stresses over time.
• Complete with cotter pin: Supplied with a cotter pin to secure the ball joint, reducing the need to source small hardware separately during installation.
• Exceeds OEM standards: Manufactured under IATF 16949 and ISO 9001 processes to provide reliability that aims to surpass original equipment quality.
• Warranty backed: Comes with a 3 Year / 36,000 mile limited warranty from date of installation for post-installation peace of mind.
• OE interchange numbers: Cross-references like RK620586 and 4806942060 make it easier to confirm fit for the affected vehicles.

Who It's For

This control arm is best for DIY mechanics, independent shops and owners of compatible Lexus NX or Toyota RAV4 vehicles who need a reliable suspension replacement without paying dealership prices. It suits those who prefer parts manufactured to recognized quality systems and who value a warranty that covers workmanship and materials.

It is less suitable for vehicles outside the listed model years or for customers who require an adjustable aftermarket performance arm; this is a direct replacement designed to match OEM geometry rather than provide alignment adjustability or race-focused features.

Pros & Cons

Pros

• Good fitment for listed Lexus and Toyota models, matching OEM interchange numbers for easy verification.
• Solid steel construction and manufacturing under IATF 16949 and ISO 9001 standards support long-term reliability.
• Includes necessary cotter pin and arrives with a 3 year / 36,000 mile limited warranty for confidence after installation.
• Customers report easy installation and satisfactory functionality, representing good value for money.

Cons

• Not intended as a performance-tuned or adjustable arm; buyers seeking alignment cams or motorsport features should look elsewhere.
• Only one arm is supplied per box, so owners replacing both sides must order two units.

Specifications

Compatible Vehicles	2018-2021 Lexus NX300; 2015-2017 NX200t; 2015-2021 NX300h; 2006-2018 Toyota RAV4
Material	Steel
Included Hardware	Cotter pin included
Quantity in Box	1
OE / Interchange Numbers	RK620586, CMS86197, 524-477, 4806942060
Quality Standards	IATF 16949 and ISO 9001 certified
Warranty	3 Year / 36,000 miles Limited Warranty

Our Verdict

The Metrix Premium Front Left Lower Control Arm is a sensible, value-focused replacement for owners of the specified Lexus NX and Toyota RAV4 models. It delivers a reliable steel construction, correct OEM interchangeability and a reassuring manufacturer warranty, making it a smart choice for routine suspension repairs where a direct-fit, warranty-backed part is needed.

Frequently Asked Questions

Will this control arm fit my NX300 from 2019?
Yes, the part is listed as compatible with 2018-2021 Lexus NX300 models and is designed as a direct replacement for those years.

Is additional hardware required for installation?
The arm comes with a cotter pin included, but shops may reuse vehicle-specific bolts or use new OE-specified fasteners depending on shop practice.

Does the warranty start on purchase or installation?
The 3 Year / 36,000 mile limited warranty begins from the date of installation, as specified by the manufacturer.