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KYB 10-24 Ford Expedition / 11-20 Lincoln Navigator Gas-a-Just Strut - Rear KYB KYB5510001
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KYB 19-21 Lexus ES300h / Lexus ES350 Base/Luxury/Ultra Luxury Gas-a-Just Shock - Rear

KYB
KYB3440190
197244040050
Shocks and Struts
Out of stock
$ 66.83

SKU: 3440190 | UPC: 197244040050

KYB 2019-2021 Lexus ES300h Base Luxury Ultra Luxury / 2019-2025 Lexus ES350 Base F Sport Luxury Ultra Luxury Gas-a-Just Shock - Rear

The KYB Gas-a-Just Rear Shock part number 3440190 delivers firm ride control for 2019-2021 Lexus ES300h Base Luxury Ultra Luxury and 2019-2025 Lexus ES350 Base F Sport Luxury Ultra Luxury models. This monotube shock uses high-pressure nitrogen gas for consistent damping on every corner. It restores original handling precision and reduces body roll for confident driving.

Key Features

  • Monotube High-Pressure Gas Design: Delivers fade-resistant performance with nitrogen gas charge to maintain tire contact and stability at all speeds
  • Application-Specific Valving: Precision-tuned for Lexus ES300h and ES350 suspension dynamics to provide balanced firmness without harshness
  • Seamless Cylinder Construction: Eliminates internal weak points for long-lasting durability under high-stress conditions
  • Heavy Gauge Calibrated Steel Body: Withstands road impacts and corrosion for reliable service life
  • Multi-Lip Oil Seals: Minimize fluid bypass and friction for smoother operation and extended seal life

Product Notes

  • Direct OE replacement with extended length 22.05 inches compressed length 13.58 inches and stroke 8.46 inches
  • Replace shocks in pairs for even ride height and handling balance
  • Shipping box dimensions 21.65 x 3.94 x 3.94 inches product weight 5.07 lbs

Installation Notes

  • Professional installation recommended.
  • Bolt-on design uses existing factory mounting locations eyelet top and bottom bushings S1-509 and S1-323 included
  • Torque mounts to manufacturer specifications no additional hardware required

This Part Fits

Year Make Model Submodel
2019-2021 Lexus ES300h Base
2019-2021 Lexus ES300h Luxury
2019-2021 Lexus ES300h Ultra Luxury
2019-2025 Lexus ES350 Base
2019-2021 Lexus ES350 F Sport
2019-2025 Lexus ES350 Luxury
2019-2025 Lexus ES350 Ultra Luxury

Why Choose KYB?

  • Largest shock absorber manufacturer worldwide with OE supplier status to vehicle makers
  • Over 70 years of engineering expertise in ride control components
  • Every shock rigorously tested for fit form and performance matching OE standards

Frequently Asked Questions

  • Q: Will this fit my 2023 Lexus ES350 Luxury?
    A: Yes part 3440190 fits 2019-2025 Lexus ES350 Base Luxury and Ultra Luxury models rear position only
  • Q: What material is used in construction?
    A: High-strength calibrated steel body with monotube internals and premium synthetic oil for heat resistance
  • Q: What is the warranty coverage?
    A: KYB Gas-a-Just shocks carry a limited lifetime warranty against manufacturing defects when installed properly

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Secure cardboard box 21.65 x 3.94 x 3.94 inches
  • Weight: 5.07 lbs

Request For Information

Have questions about KYB 19-21 Lexus ES300h / Lexus ES350 Base/Luxury/Ultra Luxury Gas-a-Just Shock - Rear? Fill out the form below and we'll get back to you by the next business day.
KYB

KYB

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