What size are rear wiper blades?



What size are rear wiper blades?

Postview: 77       Date:August 25, 2023

Rear Wiper Blades: Finding the Right Size for Your Vehicle

Rear wiper blades play a pivotal role in ensuring safe driving conditions, especially during inclement weather. However, determining the right size for rear wiper blades can be a perplexing task for many vehicle owners.

Rear wiper blades are an essential component of your vehicle’s safety system, ensuring clear visibility through the rear windshield in adverse weather conditions. To maintain optimal performance, it’s crucial to choose the right size rear wiper blade for your specific vehicle.

Understanding Rear Wiper Blade Sizing

Rear wiper blades come in various sizes, depending on the make and model of your vehicle. To determine the appropriate size, you can follow these steps:

  1. Consult Your Vehicle’s Manual: The vehicle owner’s manual often provides information about the recommended wiper blade sizes for both the front and rear windshields.
  2. Measure the Blade: If your manual doesn’t provide the information you need, you can measure the existing rear wiper blade. Measure from the center of the blade to the tip in inches or centimeters. This measurement will help you find a replacement that matches the original size.
  3. Online Databases: Several online automotive databases offer wiper blade size lookup tools. You can enter your vehicle’s make, model, and year to get accurate size recommendations.

Importance of Choosing the Right Size

Selecting the correct size rear wiper blade is vital for several reasons:

  1. Effective Clearing: A properly sized wiper blade ensures that the entire rear windshield is cleared of rain, snow, or debris, maintaining your rearward visibility.
  2. No Streaks or Smudges: Incorrectly sized wiper blades can lead to streaks and smudges on the windshield, hindering your ability to see clearly.
  3. Optimal Performance: Wiper blades designed for your vehicle’s size provide better contact with the glass, resulting in improved performance and longevity.

Factors Influencing Rear Wiper Blade Sizes
Several factors influence the selection of rear wiper blade sizes:

1. Vehicle Make and Model
Different vehicle makes and models have unique rear windshield dimensions. Consequently, manufacturers design wiper blades in various sizes to accommodate these differences. It’s essential to identify the specific requirements for your vehicle to ensure a proper fit.

2. Climate and Weather Conditions
The climatic conditions of your region play a role in determining the ideal rear wiper blade size. Areas with frequent rainfall or snowfall might require longer blades to effectively clear water or snow from the rear windshield.

3. Driving Habits
Consider your driving habits when choosing rear wiper blade sizes. If you frequently drive in conditions that lead to debris accumulation on the rear windshield, opting for a larger blade might be beneficial.

Consequences of Incorrect Sizing
Selecting an incorrect rear wiper blade size can have several adverse effects:

1. Reduced Visibility
Inadequate coverage due to an improperly sized blade can compromise rearward visibility. This can be particularly hazardous during heavy rain or snowfall.

2. Streaking and Smudging
A wiper blade that doesn’t match the rear windshield’s curvature might result in streaks or smudges. These visual disturbances can further hinder clear vision while driving.

3. Wiper Inefficiency
Incorrectly sized wiper blades might not make proper contact with the windshield, leading to inefficient wiping. This inefficiency can result in uneven clearing and accumulation of water or debris.


In conclusion, selecting the right size for rear wiper blades is a critical aspect of vehicle maintenance that significantly impacts visibility and safety. Referencing the vehicle manual, measuring existing blades, and utilizing online resources are effective strategies for determining the appropriate size.