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Description
KYB 03-09 Toyota 4Runner (Exc. X-Reas, Adj Susp.) Gas-A-Just Shock - RearThe KYB Gas A Just shocks and struts are designed to provide enhanced handling and ride comfort for your vehicle. Specifically engineered for the 2003 to 2009 Toyota 4Runner models (excluding those with X Reas or adjustable suspension), this rear shock absorber delivers reliable performance and improved road control. KYB's Gas A Just technology uses pressurized nitrogen gas to reduce aeration and foaming inside the shock, resulting in consistent
The KYB Gas-A-Just shocks and struts are designed to provide enhanced handling and ride comfort for your vehicle. Specifically engineered for the 2003 to 2009 Toyota 4Runner models (excluding those with X-Reas or adjustable suspension), this rear shock absorber delivers reliable performance and improved road control.KYB's Gas-A-Just technology uses pressurized nitrogen gas to reduce aeration and foaming inside the shock, resulting in consistent damping and better overall stability on various road surfaces. These shocks help maintain the vehicle's original ride height and suspension geometry while offering a firm yet smooth ride.
Built to rigorous OE quality standards, the KYB 5540041 shock ensures durability and long-lasting performance. Whether you are restoring your Toyota 4Runner or aiming to improve its suspension dynamics for spirited driving or off-road adventures, this rear shock is a trusted choice.
Installation is straightforward and compatible with the stated vehicle models, making it suitable for enthusiasts and professional workshops alike. Choose KYB for dependable, high-quality suspension components that meet or exceed original equipment specifications.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Just as excellent as all other K&N products I've used
Size: 1 Count (Pack of 1)
Great fit, and lot more more robust in build than the OEM filter it replaces. I've replaced the factory cabin air filters in at least 3 vehicles with these, when the time came to replace. Side note: This one went into a 2020 Lincoln Aviator and --consistent with my experience with previous Lincoln models -- the retaining tabs on the filter housing door snapped off when I was trying to remove it. Nothing to do with the K&N filter, but I just don't understand why Lincoln can't design a better housing door mechanism.
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Reviewed in the United States on September 16, 2025
★★★★★ 5
Great fit, great replacement for standard filter.
Size: 1 Count (Pack of 1)
Very tight fit, but fit it does. I put this in my 2.5L Ford Escape Hybrid 2020. Fits tight, but well, so no wiggling.
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Reviewed in the United States on September 8, 2025
★★★★★ 5
Consistently high quality products
Size: 1 Count (Pack of 1)
Have used both their cabin and engine filters for all of my vehicles and will continue with each new vehicle I get. I like that they last a LONG time, are reusable (washable), and help the vehicle run better.
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Reviewed in the United States on July 7, 2025
★★★★★ 4
A very tight fit
Size: 1 Count (Pack of 1)
I purchased this for my 2022 Escape, It is the same part listed on the KN website, I watched a video on You-tube on how to replace it. The process seemed simple enough, but I'm not as talented as the poster. I finally got the damper unhooked on the right of the door and the two clips that hold the glove box in were easy to push in. This let the glove box fall forward, Now to remove the two phillips screws that secure door of the filter assembly closed. They weren't too bad, but make sure you have a magnet to get them out, or if they drop to retrieve them. Now the door clips need to be spread apart, I broke the left one, but the right one was ok. Swap the filter and then try to close the door. The new filter was a little too thick front to back and made the door very hard to close. I used the screws to hold the door in place. Close the glove box and try to get the damper back on the peg. Search for this video 2020 - 2022 Ford Escape How to Replace Cabin Air Filter
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Reviewed in the United States on June 9, 2024
★★★★★ 5
Honest review
Size: 1 Count (Pack of 1)
Easy installation quality performance great replacement better cooling but price should be a little better
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Reviewed in the United States on May 24, 2026