TRQ Front Left CV Axle Shaft Assembly Compatible with Lexus RX350

In this review of the TRQ Front Left CV Axle Shaft Assembly, the bottom line is simple: this is a practical, direct-fit replacement for owners of compatible Lexus RX350, Toyota Highlander and Toyota Venza models who need a quick OE-style axle swap. The reviewer found it best for DIY mechanics and repair shops that value a unit that matches OE reference numbers and installs without modification. It is recommended when fit and immediate functionality are the priorities, though long-term durability showed mixed reports from some owners.

Key Features

• Direct Fit: Designed as an OE replacement to bolt in without fabrication, saving installation time and alignment checks.
• OE Reference Match: Lists OE reference numbers 434200E030, 434200T010 and 434200T020 so buyers can confirm compatibility with factory parts.
• Vehicle Specific Fitment: Fitment details are provided for Lexus RX350, Toyota Highlander and Toyota Venza front driver side applications to reduce guesswork before purchase.
• Complete Assembly: Supplied as a full CV axle assembly with neoprene boots, simplifying the replacement process versus rebuilding boots or joints separately.
• Aftermarket Equivalents: Includes aftermarket reference numbers such as 665308 for cross-referencing with existing parts lists.

Who It's For

The TRQ front left CV axle is aimed at owners of 2010-22 Lexus RX350 and certain Toyota Highlander and Venza model years who need a straightforward front driver side axle replacement. It is a sensible choice for home mechanics comfortable with front-end work and for independent shops that prefer ready-to-install assemblies that match OE reference numbers.

It may not be the best option for vehicles outside the listed fitment or for buyers whose first priority is maximum long-term endurance; some customers reported early bearing failures. If long-term heavy-duty reliability is the primary concern, consider factory-reman or premium-brand alternatives with documented longevity.

Pros & Cons

Pros

• Good fit and correct splines for the listed applications, reducing installation hassle.
• Complete assembly with neoprene boots arrives ready to install, saving time over rebuilds.
• Offers clear OE and aftermarket reference numbers for easy verification.

Cons

• Some buyers reported early bearing failures, so long-term durability is mixed.

Specifications

Brand	TRQ
Fitment	Front left / driver side for listed Lexus RX350, Toyota Highlander and Venza models
OE Reference Number(s)	434200E030, 434200T010, 434200T020
Aftermarket Reference	665308 (and others listed)
Inboard Spline Quantity	24
Axle Nut Socket Size	1.18 in

Our Verdict

The TRQ front left CV axle assembly is a practical, cost-effective OE-style replacement for compatible Lexus RX350, Toyota Highlander and Venza models. It is a good value for buyers who need a direct-fit, ready-to-install unit that matches OEM reference numbers, but those who prioritize proven long-term durability should weigh reports of early failures and consider higher-end remanufactured options.

Frequently Asked Questions

Will this axle fit my vehicle?
Check the listed fitment for model years and the OE reference numbers 434200E030 / 434200T010 / 434200T020 to confirm compatibility with your front driver side application.

Is this sold as a complete assembly?
Yes, this unit is supplied as a full CV axle assembly with neoprene boots ready for installation.

Are there known longevity concerns?
Some customers reported bearing failures within a month, so while fit and function are generally good, durability appears mixed across owners.