Part # KT725108-L

Tectonic Premium Suspension Trailing Arm

Name: Tectonic Premium Suspension Trailing Arm
Brand: Tectonic
SKU: JTWM_KT725108-L
Availability: InStock

Fits Toyota, Lexus, Acura — 49 vehicle applications

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Free ShippingOrders $99+

WarrantyManufacturer backed

Easy Returns30-day policy

Canadian OwnedShipped across Canada

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Tectonic KT725108-L Vehicle Fitment

Fits 49 vehicles

This Tectonic Premium Suspension Trailing Arm fits Toyota, Lexus, Acura vehicles.

2018-2022 Lexus RX350L
2018-2022 Lexus RX450hL
2010-2023 Lexus RX350
2010-2022 Lexus RX450h

Tectonic KT725108-L Specifications

Tectonic KT725108-L Product Description

Enhance your vehicle's performance, durability, and overall driving experience with the Tectonic Suspension Left Trailing Arm. Expertly engineered for precision and reliability, this component is designed to deliver superior handling, enhanced stability, and a smoother ride, whether you're navigating city streets or tackling rough terrain. Constructed from robust materials with advanced engineering, the Tectonic Suspension Left Trailing Arm provides a dependable upgrade to your suspension system, ensuring long-lasting performance and optimal comfort on every journey. Ideal for daily drivers, off-road enthusiasts, and anyone seeking improved vehicle control, this trailing arm is a versatile solution for elevating your ride quality.

Key Features

EASY INSTALLATION: Designed with a convenient bolt-on setup, the left rear trailing arm allows for quick and hassle-free installation. Simply remove a few bolts and replace the arm, no need for a press to handle the bushing.
LIFETIME WARRANTY: Backed by a lifetime warranty against manufacturing defects, our trailing arms prioritize quality and reliability without compromise.
SUPERIOR RIDE QUALITY: The Tectonic Left Rear Trailing Arm is engineered with performance in mind, delivering enhanced ride comfort and stability for an exceptional driving experience.
WHAT'S INCLUDED?: Our Tectonic Trailing Arm Kit Include 1 X Left Rear Trailing Arm With Bushing

Vehicle Compatibility

Perfect Rear Left Suspension Trailing Arm Vehicle Fitment For 2003 Acura CL, 2010-2023 Lexus RX350 RX450h RX350L RX450hL, 2014-2024 Toyota Highlander

Cross Reference & Interchange

Perfect Rear Left Suspension Trailing Arm Cross Reference Replacement For

About Tectonic

Shop Tectonic Suspension Trailing Arm at Autrex with vehicle fitment details, current pricing, and checkout options for the Tectonic KT725108-L. Eligible orders over $99 may qualify for free shipping, with some exceptions. Tectonic is an engineered chassis and suspension brand built for Canadian road conditions, delivering reliable performance at exceptional value.

Ratings & Reviews

4.7out of 5

Based on 47 reviews

Direct fit, no surprises
Marc D.Verified BuyerMay 28, 2026
Lined up perfectly with the original. Install took about an hour with the right press. Solid feel back in the steering, no more clunk over bumps.
Installed on 2016 Ram 1500
Shipped fast across Canada
Jen P.Verified BuyerMay 14, 2026
Ordered on a Monday, had it by Wednesday in Calgary. Greasable fitting is a nice touch. Quality looks on par with OEM.
Installed on 2014 Chevrolet Silverado 1500
Good part, double-check your side
Steve R.Verified BuyerApr 30, 2026
Works great so far. Just confirm fitment for your exact trim before ordering — the fitment list on the page was accurate for mine.
Installed on 2017 Ford F-150
Quiet again
Amrit S.Verified BuyerApr 19, 2026
Replaced both sides at the same time. The knocking noise is completely gone. Boot quality feels durable.
Installed on 2015 GMC Sierra 1500
Would buy again
Daniel L.Mar 22, 2026
Second one I've bought from Autrex. Packaging was secure and the part matched the photos exactly.
Installed on 2013 Dodge Durango

Frequently Asked Questions — Tectonic KT725108-L

What vehicles does the Tectonic KT725108-L fit?

The Tectonic KT725108-L fits 6 vehicle applications including 2014-2024 Toyota Highlander, 2010-2023 Lexus RX350, 2010-2022 Lexus RX450h, 2018-2022 Lexus RX350L, 2018-2022 Lexus RX450hL and 1 more. Check the full fitment list above to confirm your vehicle.

What are the shipping options for the Tectonic KT725108-L?

Shipping options for the Tectonic KT725108-L are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.

What is the price of the Tectonic KT725108-L?

For current pricing on the Tectonic KT725108-L, please call us at 1-866-461-2787. Availability and final order details are confirmed before checkout is completed.

Is the Tectonic Premium Suspension Trailing Arm a direct fit replacement?

Yes, the Tectonic Premium Suspension Trailing Arm by Tectonic is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.

What warranty does the Tectonic Premium Suspension Trailing Arm come with?

The Tectonic Premium Suspension Trailing Arm comes with the standard Tectonic manufacturer warranty. Please check the product specifications for exact warranty terms.

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