Dorman 42543 Windshield Wiper Arm - Front

Overview of Dorman 42543 Wiper Arm for Chevrolet and GMC

The Dorman 42543 wiper arm is designed specifically for Chevrolet Astro and GMC Safari models. This replacement wiper arm combines durable materials and a precise attachment method to ensure reliable windshield wiping performance.

• Constructed with steel, plastic, and rubber components for durability and flexibility
• Measures 19.17 inches in length to match original equipment specifications
• Features a black finish for a clean, factory appearance
• Includes a spray nozzle integrated into the wiper arm
• Attachment method uses spine and flange nut for secure installation
• Wiper end type is hook style, compatible with specific blade designs
• Designed for specific fitment on Chevrolet Astro and GMC Safari vehicles

Detailed Product Description

The Dorman 42543 wiper arm is engineered to meet the exact fitment requirements of Chevrolet Astro and GMC Safari models. Its steel construction provides strength and resistance to corrosion, while the plastic and rubber components contribute to smooth operation and effective wiping. The 19.17-inch length ensures proper coverage of the windshield, maintaining clear visibility during adverse weather conditions. The black color matches the original equipment look, preserving the vehicle's aesthetic. This wiper arm also includes an integrated spray nozzle, allowing for efficient windshield cleaning without additional parts.

Common Applications and Problem Solving

• Replacement for worn or bent wiper arms causing streaking or poor contact
• Fixes issues with loose or improperly secured wiper arms due to attachment failure
• Restores proper spray function when the original nozzle is damaged or clogged
• Addresses compatibility problems with hook-type wiper blades on Chevrolet Astro and GMC Safari
• Improves windshield visibility by ensuring consistent blade pressure and movement

Installation Notes and Tips

Installation of the Dorman 42543 wiper arm requires removal of the old arm by loosening the flange nut and detaching the spine attachment. Align the new wiper arm carefully to the mounting point, ensuring the hook end is positioned correctly for blade attachment. Tighten the flange nut securely to prevent movement during operation. 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 42543 wiper arm undergoes quality checks to ensure durability and reliable performance on Chevrolet Astro and GMC Safari vehicles. While no specific warranty information is provided with this part, Dorman typically offers limited warranties on their replacement components. Verify warranty details through official Dorman documentation or authorized distributors.