Peterbilt 389 Wiper Blade Size: A Comprehensive Guide

Serial Number: 20230608

Introduction

The Peterbilt 389 is a legendary semi-truck known for its ruggedness, dependability, and iconic styling. Maintaining this workhorse requires attention to every detail, including the seemingly mundane but essential component of wiper blades. This article provides a comprehensive guide to the Peterbilt 389 wiper blade size, ensuring optimal visibility and driving safety in all weather conditions.

Understanding Wiper Blade Types

There are two main types of wiper blades:

Conventional Wiper Blades: Consisting of a rubber blade attached to a metal frame, conventional blades are the most common and affordable option.

Beam Wiper Blades: Designed with a flexible, rubber-covered metal beam that conforms to the windshield, beam blades provide superior wiping performance and longevity.

Determining the Correct Wiper Blade Size for a Peterbilt 389

The Peterbilt 389 typically requires two wiper blades with the following sizes:

Driver's Side: 28 inches

Passenger Side: 26 inches

Factors to Consider

When selecting wiper blades for your Peterbilt 389, consider the following factors:

Blade Type: Conventional or beam blade, based on performance and budget preferences.

Blade Length: Ensure the blades are the correct size for your year and model of truck.

Blade Material: Choose rubber blades with a high-quality rubber compound for durability and wiping efficiency.

Attachment Mechanism: Verify the attachment mechanism (hook, pinch-tab, or side-mount) on your wiper arms.

Recommended Wiper Blades

Here are some recommended wiper blades for a Peterbilt 389:

Conventional Blades:

Bosch ICON Conventional Wiper Blades

Rain-X Latitude Conventional Wiper Blades

Beam Blades:

Michelin Stealth Ultra Beam Wiper Blades

PIAA Silicone Super Sportsman Wiper Blades

Step-by-Step Guide to Replacing Wiper Blades

1. Safety First: Park the truck on a level surface and engage the parking brake.

2. Lift Wiper Arms: Carefully lift the wiper arms away from the windshield to a 45-degree angle.

3. Remove Old Blades: Locate the attachment mechanism on the wiper arm and release the old blade by pressing the release tab or pinching the sides.

4. Install New Blades: Slide the new blade onto the attachment mechanism and hear a "click" to indicate it's secure.

5. Lower Wiper Arms: Gently lower the wiper arms back onto the windshield.

6. Check Performance: Test the wipers by activating the washer fluid and wipers.

Maintenance Tips

Replace wiper blades every 6-12 months for optimal performance.

Clean wiper blades regularly with a damp cloth to remove dirt and debris.

Inspect wiper arms for any damage or corrosion.

Use a washer fluid with a winterizing formula during cold weather to prevent freezing.

Conclusion

Ensuring the correct Peterbilt 389 wiper blade size is crucial for maintaining clear visibility during adverse weather conditions. By understanding the different types of blades, considering the factors listed above, and following the recommended replacement steps, you can keep your truck performing at its best and ensure a safe and comfortable driving experience.