The front wiper blades are typically 26 inches on the driver’s side and 18 inches on the passenger’s side, while the rear blade is usually around 11 inches (some later models use 12 inches). Sizes can vary by year and market, so always verify for your specific RX 350 by checking the owner’s manual or the blade you’re replacing.
Typical front-wiper blade sizes
Front wipers handle the bulk of clearing rain on the windshield. The RX 350 has commonly used sizes that fit a wide range of model years.
- Driver's-side front blade: 26 inches
- Passenger-side front blade: 18 inches
These dimensions suit most RX 350 models from the mid-2000s through recent years. To be certain, confirm against your specific model year and trim, or replace by matching the size of the blade you’re removing.
Rear wiper blade size
The RX 350 uses a single rear wiper blade. The most common replacement size is around 11 inches, though some later or regional variants may use 12 inches.
- Rear wiper blade: typically 11 inches; some years/models use 12 inches
Because rear blade lengths can differ by year and market, always verify the exact size for your vehicle before purchasing a replacement.
How to confirm the correct size
When in doubt, these steps help ensure you buy the right blades for your RX 350.
- Check the owner's manual for recommended blade sizes by year.
- Inspect the label on your current blades for length information.
- Measure the blade length on each side with a tape measure if replacing manually.
- Enter your exact year, model, and trim into an auto-parts retailer’s site to confirm compatible sizes.
Accurate sizing ensures proper fit, full windshield coverage, and secure attachment to the wiper arms.
Summary
For most Lexus RX 350 models, plan for 26-inch driver-side and 18-inch passenger-side front blades, plus an 11-inch rear blade (12 inches on some later years). Always verify by model year and market, using the manual, the blade packaging, or retailer guidance to ensure a perfect fit.


