Front wipers for most Toyota Sienna models are 26 inches on the driver’s side and 18 inches on the passenger’s side, with a 12-inch rear blade. Exact sizes can vary by year and trim, so verify before buying.
Wiper blade sizes can change across generations. This guide outlines the typical sizes and how to confirm the exact lengths for your specific Sienna, whether you own an older model or a newer one, to help you avoid incorrect purchases.
Common front wiper sizes for recent Sienna models
Use these sizes as a starting point, but always confirm for your exact year and trim before purchasing new blades.
- Front driver-side blade: 26 inches
- Front passenger-side blade: 18 inches
- Rear hatch blade: 12 inches
Note that some older Sienna generations or special editions may have different front blade lengths (for example, 26/17 inches). Always verify against your specific model year and trim to ensure a correct fit.
How to confirm the exact sizes for your Sienna
To be certain you buy the right wipers, use one of these verification methods:
- Check the owner's manual or the information placard under the hood or near the wiper arms for blade length specifications.
- Inspect the currently installed blades: measure their length or check the packaging for the exact size.
- Input your vehicle’s year, make, and model (and sometimes VIN) into an auto parts retailer’s fitment tool or ask a parts counter to look up the exact blade size for your Sienna.
- If unsure, purchase a 26" driver-side and 18" passenger-side blade set and keep the receipt—many retailers offer easy exchanges if the sizes differ for your model year.
With a quick verification, you can ensure you have the correct blade lengths and avoid returns or fit issues.
Rear wiper size and considerations
In addition to the front blades, Sienna rear wipers are typically smaller. The common rear blade length for many Sienna models is around 12 inches, but some years may vary. Check the rear wiper blade or the vehicle manual to confirm the exact size for your model year.
When replacing wipers, also consider blade type (beam vs. conventional), climate conditions, and driving environment. Some retailers offer all-season or winter blades that can improve performance in snow and freezing temperatures.
Summary
For most Toyota Sienna models, plan on front blades of 26 inches (driver) and 18 inches (passenger), plus a 12-inch rear blade. Always verify with your specific year and trim by checking the owner’s manual, the current blade packaging, or a trusted retailer’s online fitment tool. Accurate sizing ensures optimal visibility and safer driving in all weather.


