Here's the quick answer: the ES350 uses a 24-inch driver-side blade and a 19-inch passenger-side blade. Replace them by lifting the wiper arms, releasing the old blades from their J-hook attachments, snapping on the new blades, and returning the arms to the windshield. The whole job typically takes about 10–15 minutes.
Know your blade sizes and attachment
Before you begin, confirm you have the correct sizes and the right attachment type for your ES350. The most common setup for this model is a 24-inch driver-side blade and a 19-inch passenger-side blade, both with a standard J-hook connection. Note that there is no dedicated rear wiper on most 2007 ES350 versions; if your car happens to have one, it will use its own blade size and attachment method.
Gather these items to complete the replacement smoothly.
- Driver-side blade: 24 inches
- Passenger-side blade: 19 inches
- Replacement blades with a compatible J-hook or adapter system
- Alcohol wipe or clean cloth for the blade arms
- Optional: winter-rated blades if you experience cold conditions
Having the right sizes and attachment type helps ensure a secure fit and a clean wipe across the windshield.
Step-by-step replacement
Follow these steps to replace both blades safely and effectively.
- Park on a level surface, turn off the engine, and lift the wiper arms away from the windshield so they stay in an upright position.
- Locate the blade’s release mechanism at the connection to the wiper arm. Press the release tab and slide the blade off the arm.
- Remove the old blade completely and inspect the wiper arm for any damage or corrosion. Wipe the arm’s connector with a clean cloth.
- Take the new blade and align it with the wiper arm’s attachment point. Insert or slide the blade into place until you hear or feel a click indicating a secure fit.
- Repeat the process for the passenger-side blade using the 19-inch blade.
- Carefully lower the wiper arms back onto the windshield and test the blades at a low speed to ensure proper contact. If you notice streaking, reseat or replace the blades as needed.
Using the correct blades and ensuring a proper lock-in are essential for reliable performance at highway speeds and in varying weather conditions.
Tips, safety and maintenance
Keep these practical tips in mind to extend blade life and maintain visibility in all conditions.
- Replace blades in pairs when possible to ensure even wear and performance.
- Avoid having the wiper arms snap back onto the windshield; let them settle slowly to prevent glass damage.
- Clean the blade connectors and the wiper arm attachment points with an alcohol wipe to remove grease or grime.
- Consider winter-rated blades if you encounter freezing conditions; they perform better in cold weather and on snow/ice.
- Test the blades briefly in light rain after installation to confirm smooth operation and streak-free performance.
Regular checks and proper blade selection help maintain clear visibility and extend the life of your wiper system on the ES350.
Summary
In summary, replace the ES350’s windshield blades by confirming sizes (24" driver, 19" passenger), removing the old blades from the J-hook attachments, and snapping on the new blades until they click. Lower the arms, test the setup, and replace as needed. Replacing blades in pairs and keeping the attachments clean ensures optimal visibility and safer driving.


