Why Choose This Wiper Arm Assembly?
Most worn wiper systems suffer from:
- Weak spring pressure
- Poor windshield contact
- Streaking or inconsistent wiping
Replacing just the blade isn’t always enough.
This complete assembly gives you everything in one solution, restoring proper function with a new arm, blade, and integrated washer components.
Perfect For:
- Replacing worn or damaged wiper arms
- Fixing poor windshield contact
- Restoring washer functionality
- Daily driver and fleet maintenance
Complete Assembly (All-In-One Replacement)
No need to piece together multiple parts:
- Includes wiper arm, blade, washer nozzle, and hose
- Designed as a full replacement assembly
- Saves time during installation
A simple, complete fix for common wiper issues.
Direct OE Replacement Fit
Designed to match factory specifications:
- Direct replacement for OE #GS4911
- Fits driver or passenger side
- Built to match original mounting points
Ensures a straightforward replacement process.
Strong Spring Pressure for Proper Contact
Built for consistent performance:
- High-strength spring design
- Maintains proper blade pressure against windshield
- Helps improve wiping consistency
Supports better visibility in real-world conditions.
Durable Enamel-Coated Finish
Made to handle daily exposure:
- Durable enamel paint finish
- Resists fading, flaking, and peeling
- Designed for long-term exterior use
Keeps your truck looking clean while protecting the assembly.
Vehicle Fitment
Compatible with a wide range of Peterbilt models, including:
- Classic Models: 281, 288, 289, 341, 345, 351, 353, 358, 359
- Popular Highway Trucks: 357, 365, 367, 379, 379X, 389
- Modern Models: 210, 220, 320, 325, 330, 335, 337, 340, 348, 362, 370, 372, 375, 377, 378, 382, 384, 385, 386, 387, 388, 520, 535, 536, 548, 567, 579, 587, 589
⚠️ Fitment may vary depending on configuration—verify before purchase.
What’s Included
- 1 × Wiper Arm Assembly
- 1 × Wiper Blade
- Integrated washer nozzle and hose
Warranty Coverage
- 6-Month Limited Warranty
Frequently Asked Questions
Is this a complete replacement or just the arm?
This is a complete assembly, including the arm, blade, washer nozzle, and hose.
Does this fit both driver and passenger sides?
Yes. It can be used on either side depending on your application.
Will this fix streaking or poor wiping?
If your issue is caused by worn arms or weak spring pressure, replacing the full assembly can help restore proper contact.
Is this a direct replacement for factory parts?
Yes. It is designed as a direct replacement for OE #GS4911.
Does this include the washer function?
Yes. The assembly includes a washer nozzle and hose.
Is installation complicated?
No. It installs in place of your existing wiper arm using factory mounting points.
