Strut & Spring Assembly Pair TRQ SCA57089 - 1ASSP00637

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How-To & Tools
Product Reviews
Vehicle Fit

Part Details

  • Quantity:   Pair

In the past, replacing struts required specialized tools to compress, remove and transfer the old spring and mount.  Pre-assembled with all new parts, our complete strut and spring assemblies make this job much quicker and easier for the do-it-yourself mechanic.

Each complete strut & spring assembly contains:

  • Upper Strut Mount
  • Strut Bearing
  • Coil Spring
  • Boot & Bumper Kit
  • Gas-charged Strut 

Loaded strut & spring assemblies allow for a quicker, safer install than bare struts.  No spring compressor required! 

Trouble-Free Install

Includes the matched parts needed. New components over reused parts provide a better ride and save you from having to repair again.

Matched Parts

Not all shocks and struts are manufactured the same.  Mixing and matching can result in ride quality issues and decrease the life of the parts.

Saves Time & Money

Over buying the parts individually, or having to search different parts that are correct for your vehicle (because we did it for you!)

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Chromium (Hexavalent Compounds), which is known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Removing the Wheel (2:20)
    • Pry off the center cap with a flat blade screwdriver
    • Loosen the 21mm lug nuts with the vehicle on the ground
    • Raise the vehicle with a floor jack
    • Secure the vehicle on jack stands
    • Remove the lug nuts
    • Pull off the wheel
  2. step : Removing the Strut (3:50)
    • Remove the bolt(s) from the bottom of the strut
    • Disconnect any sensors or hoses
    • Turn the wheel
    • Remove any nuts from the sway bar link attached to the strut
    • Removing the nuts on top of the strut
  3. step : Reinstalling the Strut (7:08)
    • Insert the strut into place
    • Insert the nuts to the strut to hold it in place
    • Knock the bottom of the control arm to knock it into the strut or work the strut into place
    • Tighten the two lower bolts to the strut
    • Torque the bottom strut bolts
    • Reinstall the sway bar link
    • Reinstall any harnesses or hoses attached to the strut
  4. step : Reattaching the Wheel (9:03)
    • Slide the wheel into place
    • Start the lug nuts by hand
    • Tighten the lug nuts preliminarily
    • Lower the vehicle to the ground
    • Torque the lug nuts in a crossing or star pattern
    • Reattach the center cap

Tools needed for replacement:

    General Tools

  • Jack Stands
  • Hammer
  • Assistant
  • Floor Jack

  • Pliers, Cutters & misc Wrenches

  • Vise Grip Pliers

  • Ratchets & Related

  • Ratchet
  • Torque Wrench
  • Socket Extensions

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • Complete Metric Socket Set

  • Wrenches - Metric

  • Complete Metric Wrench Set

5.00/ 5.0
5 reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
quick delivery, great assistance on the phone from the rep
very good service. Quality of the parts to be determined over time, but there is a lifetime guarantee, so...
October 13, 2017
This is the first time lve used this company,it was no trouble at all. Just gave them a call told them what I needed,and it was on its way.l will surely do it again. Thanks for the fast service.
June 11, 2018
Awesome Struts and Springs
Very easy to install they look like the same ones that were replaced. I would order these again or recommend to other people to order from 1A
November 14, 2018
Struts & Springs Front Pair
At 1st I had a little bit of a problem receiving the product. But after i did receive the right auto part for my vehicle, the part is working very well. I have used your company for years and that was the 1st. time I had a problem.I will continue to use a1auto and refer your company to others.
December 2, 2018
Great Prices, and service
So happy with my purchase. Looking forward to using them again.
December 31, 2018
Will this fit my car? Add a vehicle to make sure
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
The boot was make by rubber ?
Hai N April 14, 2016
Mark G April 14, 2016
The dirt/dust shield may be rubber or soft plastic in some cases
Brian F April 14, 2016
It is rubber-like, similar to the original boot.
Wayne X April 15, 2016
My rx330 2004 has a height adjustment button which lowers and increases the heights which means it has something like air suspension or hydraulic so is this part going to support my car please let me know?
Zohaib S May 4, 2016
No, these are not electronic and not designed to replace the electronic models. The spring rates and valving are all incorrect
Brian F May 4, 2016
Who is the manufacturer of these struts?
Alec B May 14, 2016
I returned these after looking at the item. They are not made in US and do not get favorable ratings.
Charles F May 14, 2016
I dont know who made them. But they fit perfectly and seem ever bit as good as oem.
Matt P May 14, 2016
We have a few different aftermarket companies build these parts specifically for us, as our 1A Auto house brand. They are manufactured to the same OEM specifications as the original part that came with your vehicle. If you have any further questions, please dont hesitate to ask.
Brian F May 16, 2016
WilI need a wheel alignment once I put the new struts in?
Leon B March 19, 2018
I would STRONGLY recommend it.!
Chris R March 19, 2018
I suggest having your wheel alignment adjusted, especially if you plan to keep the vehicle. After installing the strut assembly on my Highlander, my alignment was a bit off. I use Firestone Auto Care which provides a lifetime wheel alignment. Firestone does a good job and they usually do not push me to buy anything else unless I ask.
Patrick D March 19, 2018
I had the alignment checked, it needed adjusted a little.
Charles W March 20, 2018
Year Make Model Description
2004-2006Lexus RX330 Lexus RX330 without Air Suspension Front Strut & Spring Assembly Pair TRQ SCA57089
2007-2009Lexus RX350 Lexus RX350 without Air Suspension Front Strut & Spring Assembly Pair TRQ SCA57089
2006-2008Lexus RX400h Lexus RX400h Front Strut & Spring Assembly Pair TRQ SCA57089
2004-2005Toyota Highlander Toyota Highlander Front Strut & Spring Assembly Pair TRQ SCA57089
2006-2007Toyota Highlander Toyota Highlander (excluding Hybrid Models) Front Strut & Spring Assembly Pair TRQ SCA57089
Part #: 1ASSP00637

Order must be placed by 4pm ET
Delivery options for:

Estimated Arrival Cost

Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Brand #: SCA57089

How-to Video:

(09:51 min)