Dorman 42573 Windshield Wiper Arm - Front Left

Overview of Dorman 42573 Wiper Arm for Buick, Cadillac, Chevrolet

The Dorman 42573 wiper arm is designed specifically for select Buick, Cadillac, and Chevrolet models, including Caprice, Fleetwood, Impala, and Roadmaster. This replacement wiper arm combines durable materials and precise fitment to restore proper windshield wiper function.

• Constructed with steel, plastic, and rubber components for strength and flexibility
• Measures 22.88 inches in length to match original equipment specifications
• Features a black finish for a clean, factory appearance
• Utilizes a spine and flange nut attachment method for secure installation
• Equipped with a pin-type wiper end for compatibility with specific wiper blades
• Includes an integrated spray nozzle for windshield washer fluid delivery

Detailed Product Description

The Dorman 42573 wiper arm is engineered to meet the exact specifications required by Buick, Cadillac, and Chevrolet vehicles such as the Caprice, Fleetwood, Impala, and Roadmaster. Its steel construction provides the necessary rigidity and durability to maintain consistent pressure on the windshield wiper blade, while the plastic and rubber components help reduce wear and ensure smooth operation. The 22.88-inch length corresponds to the original equipment dimensions, ensuring proper coverage and wiping performance. The black color finish maintains the vehicle's aesthetic integrity. This wiper arm attaches securely using a spine and flange nut method and features a pin-type wiper end, making it compatible with the designated wiper blades. Additionally, the included spray nozzle integrates windshield washer fluid delivery directly through the arm, enhancing cleaning efficiency.

Common Applications and Problem Resolution

• Replacement for bent or damaged wiper arms on Buick Caprice and Chevrolet Impala
• Restores proper windshield contact and wiping performance on Cadillac Fleetwood
• Fixes issues with loose or improperly secured wiper arms due to worn attachment points
• Addresses malfunctioning spray nozzles integrated into the wiper arm assembly
• Improves visibility by ensuring even pressure distribution across the wiper blade

Installation Notes and Tips

• Ensure the vehicle is parked with the ignition off before beginning installation
• Remove the old wiper arm by loosening the flange nut and detaching the spine connection
• Align the new Dorman 42573 wiper arm carefully to the wiper motor shaft
• Secure the arm using the flange nut and verify the pin-type wiper end is properly seated
• Test the spray nozzle function and wiper operation before completing installation

Quality Assurance and Warranty

Dorman manufactures the 42573 wiper arm to meet or exceed OEM standards for fit, form, and function. The combination of steel, plastic, and rubber materials ensures durability and reliable performance under various weather conditions. While no instruction manual is included, the specific fitment for Buick, Cadillac, and Chevrolet models simplifies installation. Warranty coverage details should be confirmed through the product packaging or Dorman's official resources.