Dorman 42909 Wiper Arm - Front Left

Durable Wiper Arm for Jeep Grand Cherokee

The Dorman 42909 wiper arm is designed specifically for Jeep Grand Cherokee models, providing a reliable and precise fit. Constructed from steel with a matte black finish, this arc-type wiper arm ensures consistent performance and durability in various weather conditions.

• Material: High-quality steel for strength and longevity
• Length: 20 inches for optimal windshield coverage
• Finish: Matte black to resist corrosion and blend with vehicle aesthetics
• Type: Arc design for effective windshield contact
• Attachment Method: Bolt-on for secure installation
• Wiper End Type: Hook style compatible with standard blades
• Pressure Rating: 28.8 for consistent blade pressure
• Head Angle: 167 degrees for proper blade alignment
• Articulated design to maintain contact on curved windshields
• Specific fitment for Jeep Grand Cherokee models

Product Details and Specifications

The Dorman 42909 wiper arm is engineered with a steel construction that offers durability and resistance to wear. Its matte black finish provides a non-reflective surface that complements the Jeep Grand Cherokee’s exterior while protecting against rust and environmental damage. The 20-inch length and arc shape are designed to maintain consistent pressure across the windshield, improving visibility during rain or snow. The bolt-on attachment method ensures a secure fit, while the hook-style wiper end allows compatibility with a wide range of wiper blades. The articulated design helps the arm conform to the windshield’s curvature, enhancing wiping efficiency.

Compatible Vehicles and Applications

• Designed specifically for Jeep Grand Cherokee models
• Ideal replacement for worn or damaged left-side wiper arms
• Restores proper windshield wiping performance
• Helps eliminate streaking and uneven wiping
• Prevents wiper blade skipping and chatter

Installation Notes and Tips

Installation of the Dorman 42909 wiper arm requires a bolt-on attachment, which typically involves removing the old arm by loosening the mounting bolt and securing the new arm in place. Ensure the wiper arm is properly aligned with the windshield and the wiper blade before tightening the bolt. No adapters or instruction manual are included, so referring to the Jeep Grand Cherokee service manual or professional guidance is recommended for proper installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and fitment. While specific warranty details for part number 42909 are not provided, Dorman generally offers limited warranties on their replacement components. This wiper arm is built to provide consistent pressure and durability, supporting safe driving visibility in various weather conditions.