FCS 333945L Suspension Strut Assembly - Front Left

Front Left Suspension Strut for Lexus RX

FCS 333945L is a front left suspension strut assembly for select Lexus RX applications. It is specified for the 2016-2022 Lexus RX350, 2018-2022 Lexus RX350L, 2016-2022 Lexus RX450h, and 2018-2022 Lexus RX450hL, giving buyers a direct-fit replacement option for the left front corner.

Key Features

• Part number: 333945L
• Front left suspension strut assembly
• Compressed length: 16.38 in.
• Extended length: 23.23 in.
• Stroke length: 6.85 in.
• Compatible with Lexus RX350, RX350L, RX450h, and RX450hL front left applications

Product Details

FCS 333945L is built around the measured travel range of the assembly, with a 16.38-inch compressed length, 23.23-inch extended length, and 6.85-inch stroke length. Those dimensions are important when replacing a worn front left strut because they help maintain the correct suspension movement and ride height relationship for the vehicle. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. For shoppers searching for a Lexus RX front left strut assembly or a 333945L replacement, this listing covers the confirmed fitment shown below.

FCS is the brand line identified for this suspension strut assembly, and this part is cataloged specifically for the front left position on the listed Lexus RX models. If you are replacing a front left strut on a Lexus RX350 or Lexus RX450h, verify the vehicle year and trim before ordering to match the confirmed application.

What It Helps Address

• Front-end bounce or excessive rebound
• Uneven ride quality at the left front corner
• Noise or instability from a worn strut assembly
• Loss of suspension control over bumps and dips
• Replacement needs for a leaking or fatigued front left strut

Installation Notes

Install on the front left side only. Confirm the vehicle year, model, and position against the fitment list before installation. After replacement, inspect related suspension components and perform a wheel alignment if required by the repair procedure.

Quality Assurance

FCS suspension components are cataloged for direct vehicle-specific applications, and this strut assembly is listed with exact dimensional specifications to support accurate replacement selection.

• Fits 2016-2022 Lexus RX350, Front Left
• Fits 2018-2022 Lexus RX350L, Front Left
• Fits 2016-2022 Lexus RX450h, Front Left
• Fits 2018-2022 Lexus RX450hL, Front Left