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1997-2001 Lexus ES300 Air Suspension Conversion - American Air Suspension

1997-2001 Lexus ES300 Air Suspension Conversion

$789.00 In Stock Sold out
Categories: LEXUS




  • Description
  • Shipping and Refund
  • Warranty

1997-2001 Lexus ES300 Air Suspension Conversion

If you're having air suspension problems on a Lexus ES300, don't spend another dime on that 14+-year-old system before you consider a better option. No matter what the dealer claims, you do NOT have to continue pouring money into the air suspension to keep your ES300 going. We have a better, lower cost and permanent solution to that expensive and unreliable air system that takes the Lexus parts guy out of the equation. We offer an affordable air suspension conversion kit that quickly and safely converts your Lexus to a conventional coil spring system. No more threat of suspension breakdowns and no more specially trained Lexus techs needed to diagnose your car, just a good old-fashioned suspension any mechanic can work on. Our kit comes with everything you need to do the Lexus ES300 Air Suspension Conversion all with a Lifetime Warranty. Kit requires no drilling, cutting or welding.

This Lexus ES300 Air Suspension Conversion Kit Includes:

  • Front and rear name brand strut and spring assemblies.
  • Easy to follow instructions clearly show technicians how to install the new conversion kit.
  • Instructions are included to cancel out the suspension message on your ES300.
  • These high-quality Lexus parts are proudly made in the United States.
  • The Lexus ES300 Air Suspension Conversion Kit is equipped with a lifetime warranty to provide added security and comfort for an extended period.

Why Buy Lexus Suspension Parts From American Air Suspension?

Expert Experience You Can Trust

Nobody knows these systems better! The owner of American Air Suspension(AAS) was a Ford/Lincoln Certified Air Suspension Expert for over 20 years. During this time, he quickly learned what the best parts were and which parts to leave for "the other guys." You can trust AAS to bring you only the best parts available for your Lexus ES300 Suspension. Learn More About Us »

Backed by the Automotive Community

Need a reference? How about thousands of references? The one's that know us the best are the ones on the Ford & Lincoln Forums. Learn how we impact the auto world by visiting:, Lincoln VS Cadillac,, Lincolnsonline & many, many more.

Lexus ES300 Air Suspension Help and Common Problems

What about the computer? Won't the suspension light come on?

No. The instructions provided will have clear explanation how to disarm the suspension warning message.

Why is your kit better than any others?

Our Lexus ES300 Air Suspension Conversion is comprised of the absolute best struts and Coil Springs available! For more in-depth information or product questions, don't hesitate to contact us at 1-866-211-7531 or email us.

Does my mechanic have to cut or weld anything?

No, never. These kits are designed to be a bolt-on installation. Installation instructions are included.

How is the vehicle ride after the conversion?

The ride is comparable; some say better than the vehicle when it had air. You no longer have the barge feeling driving down the road. Most people describe it as being "more controlled".

How many hours does it take for the Lexus ES300 Air Suspension Conversion?

You should figure between 4-5 hours times the shops labor rate, but this can vary greatly depending on the shop.

Will the car sit lower than it did with the air?

No, our kits will bring the car to normal ride height . (middle setting)

Lexus ES300 Air Suspension Conversion Install:

Lexus ES300 Air Suspension Conversion
When installing a Lexus ES300 Air Suspension Conversion on ANY vehicle be sure to follow all safety procedures. Make sure that when you lift your vehicle, that you're using a sturdy and dependable jack and jack stands and that the car is parked on a flat and level surface. Failure to do so can result in the vehicle sliding off it's supports and onto you! Make sure you have or can obtain all the tools required beforehand. A list of the tools needed is below, but gloves and especially eye protection should be standard equipment on any job.
Be sure to follow the instructions in the specified order, as they are laid out in particular order for a reason. Improper installation and even installation in the incorrect order can cause damage to these parts that are NOT covered under your warranty! Always take precaution not to exceed the gross vehicle weight rating recommended by the manufacturer.

These instructions are furnished only to give you an idea of the task at hand. When installing your kit, please use the instructions provided with the kit, as they will include pictures to aid with the install as well as air suspension warning light disarming instructions.

Tools Needed for Lexus ES300 Air Suspension Conversion:
Metric Socket Set
Floor Jack
Jack stands
Metric Wrenches
Screwdrivers(Phillips-head & Flat-head)
Wire Cutters/stripper/crimping tool
Level Work area
Allen Wrenches

Spring Compressor

We recommend this installation in 5 general categories:
Read general service precaution
Support the vehicle in a level area
Remove air suspension air struts
Install conversion struts
Disable ride control

* Lift and safely put on jack stands.
* Remove all four wheels.
* Remove the flexible hose and ABS speed sensor wire harness and clamp from the shock absorber. Remove the bolt, flexible hose, and ABS wire harness clamp.
* Disconnect the shock absorber from the steering knuckle by removing the two nuts and bolts on the lower side of the shock absorber.
* Remove the shock absorber from the steering knuckle.
Without Modulated Suspension:
* Remove the shock absorber with the coil spring. Remove the three nut, suspension support no.2 and the shock absorber with the coil spring.
With Modulated Suspension:
* Remove the shock absorber with the coil spring, by disconnecting the absorber control actuator sub-wire harness connector.
* Remove the three nuts and shock absorber cap.
* Slide the grommet and remove the clip.
* Disconnect the absorber control actuator connector.

* Installation is in the reverse of removal

* Remove these parts: Rear seat cushion and seatback. Package tray trim. High mount stop light. Belt hole cover and rear seat belt.
* Remove the flexible hose and ABS speed sensor wire clamp from the shock absorber. Remove the two bolts, flexible hose and ABS wire harness clamp.
* Disconnect the stabilizer bar link from the shock absorber.
* While supporting the rear axle with jack, loosen the two nuts on the lower side of the shock absorber
Without Modulated Suspension:
* Remove the shock absorber with the coil spring, by removing the cap, LOOSENING ONLY the nut in the middle of the suspension support.
* Remove the three nuts of the suspension support.
* Lower the rear axle carrier and remove the coil spring.
With Modulated Suspension:
* Remove the clip and clamp and disconnect the absorber control actuator connector

* Installation is in the reverse of removal
Front, and Rear Lexus ES300 Air Suspension Conversion is now complete.

We highly recommend having a four wheel alignment done after a week or so
(after the springs settle)
Nobody Has a Better

Lexus ES300 Air Suspension Conversion

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Damages and Issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / Non-Returnable Items

Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item. Unfortunately, we cannot accept returns on sale items or gift cards.


The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.


We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too. offers a Limited Lifetime Warranty for United States on all Air Springs, Air Struts, Coil Spring Conversion Kits and other Suspension Kits. offers a 30-Day Return Policy on unused and uninstalled products. offers a 30-Day Warranty on parts used in commercial vehicles. Improper use or installation is not a manufacturer's defect and is not covered by the warranty. The Warranty is non-transferable.

For complete Warranty details and limitations, please click here.