Dorman 42577 Windshield Wiper Arm - Front Right

Overview of Dorman 42577 Wiper Arm for Cadillac Models

The Dorman 42577 wiper arm is designed specifically for Cadillac DeVille, Eldorado, and Seville models. This replacement wiper arm combines durable materials and precise fitment to ensure reliable windshield wiping performance.

• Constructed with steel, plastic, and rubber components for strength and flexibility
• Measures 22.75 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
• Pin-type wiper end for compatibility with specific Cadillac wiper blades
• Designed for specific fitment on Cadillac DeVille, Eldorado, and Seville models

Detailed Product Description

The Dorman 42577 wiper arm is engineered to meet the exact specifications required by Cadillac DeVille, Eldorado, and Seville vehicles. Its steel construction provides the necessary rigidity and durability to withstand daily use and harsh weather conditions. The plastic and rubber components contribute to smooth operation and help reduce noise during wiping. At 22.75 inches in length, this wiper arm matches the original equipment dimensions, ensuring proper windshield coverage and performance. The black color maintains the vehicle’s aesthetic, blending seamlessly with the existing trim. The included spray nozzle enhances windshield cleaning efficiency by delivering washer fluid directly in front of the blade.

Common Applications and Problem Resolution

• Replacement for bent or damaged wiper arms causing uneven wiping
• Fixes wiper arms that no longer hold blades securely due to worn attachment points
• Resolves issues with poor spray coverage from missing or faulty spray nozzles
• Addresses corrosion or rust on original wiper arms affecting performance
• Improves wiping consistency on Cadillac DeVille, Eldorado, and Seville windshields

Installation Notes and Tips

Installation of the Dorman 42577 wiper arm requires removal of the old arm by loosening the flange nut and detaching the spine attachment. Align the new wiper arm’s pin end with the corresponding blade and secure it using the spine and flange nut method. No instruction manual is included, so consulting the vehicle’s service manual or professional guidance is recommended for proper installation. Ensure the spray nozzle is connected to the washer fluid line to maintain full functionality.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 42577 wiper arm undergoes quality checks to ensure durability and reliable performance on Cadillac DeVille, Eldorado, and Seville models. While no specific warranty details are provided here, Dorman typically offers limited warranties on their replacement parts. Verify warranty terms with the product documentation or supplier.