Dorman 42550 Windshield Wiper Arm - Rear

Reliable Wiper Arm Replacement for Chevrolet, GMC, and Oldsmobile

The Dorman 42550 wiper arm is designed specifically for select Chevrolet Blazer, GMC Jimmy, and Oldsmobile Bravada models. Engineered with durable materials and a precise fit, this wiper arm ensures consistent windshield clearing performance.

• Constructed from steel, plastic, and rubber for strength and flexibility
• Measures 15.46 inches in length for proper windshield coverage
• Black finish complements vehicle aesthetics
• Features a hook-type wiper end for secure blade attachment
• Includes a spray nozzle for integrated washer fluid delivery
• Attachment via spine and flange nut for stable installation
• Specific fitment for Chevrolet Blazer, GMC Jimmy, and Oldsmobile Bravada

Durable Materials and Precise Design

The Dorman 42550 wiper arm combines steel for structural integrity with plastic and rubber components that provide flexibility and weather resistance. Its 15.46-inch length is tailored to match the windshield dimensions of compatible vehicles, ensuring effective wiping coverage. The black color finish offers a clean, unobtrusive look that blends with the vehicle's exterior. The hook-type wiper end allows for easy blade replacement while maintaining a secure connection during operation. Additionally, the included spray nozzle integrates washer fluid delivery directly through the arm, enhancing windshield cleaning efficiency.

Compatible Vehicles and Applications

This wiper arm is specifically designed for use on Chevrolet Blazer, GMC Jimmy, and Oldsmobile Bravada models. It addresses common issues such as:

• Worn or bent wiper arms causing uneven windshield contact
• Loose or damaged attachment points leading to blade instability
• Malfunctioning spray nozzles reducing washer fluid coverage
• Corrosion or material degradation from exposure to weather elements
• Incompatibility with replacement blades due to incorrect wiper end type

Installation Notes and Tips

Installation of the Dorman 42550 wiper arm requires removal of the existing arm by loosening the flange nut and detaching from the spine attachment point. Align the new arm carefully to ensure the hook end properly secures the wiper blade. The integrated spray nozzle should be connected to the washer fluid line to restore full functionality. No instruction manual is included, so consulting a vehicle-specific repair guide or professional assistance is recommended for proper installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 42550 wiper arm undergoes quality checks to ensure durability and reliable performance on Chevrolet Blazer, GMC Jimmy, and Oldsmobile Bravada vehicles. Warranty coverage details can be obtained from the product documentation or Dorman directly.