Dorman 42584 Windshield Wiper Arm - Front Left

Reliable Wiper Arm Replacement for Oldsmobile and Pontiac Vehicles

The Dorman 42584 wiper arm is designed specifically for select Oldsmobile and Pontiac models, including the Montana, Silhouette, and Trans Sport. This replacement wiper arm ensures proper fit and function for your vehicle's windshield wiper system.

• Constructed with durable steel, plastic, and rubber materials for long-lasting performance
• Measures 33.25 inches in length to match original equipment specifications
• Features a black finish for a clean, factory appearance
• Equipped with a hook-type wiper end for secure blade attachment
• Includes an integrated spray nozzle for windshield washer fluid delivery
• Attachment method uses spine and flange nut for stable installation
• Designed for specific fitment on Oldsmobile Montana, Pontiac Silhouette, and Pontiac Trans Sport models

Detailed Product Description

The Dorman 42584 wiper arm combines steel strength with plastic and rubber components to provide a reliable and weather-resistant solution for your vehicle's wiper system. Its 33.25-inch length matches the original equipment, ensuring proper coverage and wiping performance. The black color maintains the aesthetic integrity of your Oldsmobile Montana or Pontiac Silhouette and Trans Sport. The hook-type wiper end allows for easy blade replacement, while the included spray nozzle integrates washer fluid delivery directly through the arm. This wiper arm uses a spine and flange nut attachment method, providing a secure and stable connection to the vehicle's wiper motor assembly.

Common Applications and Problem Resolution

• Replacement for bent or damaged wiper arms on Oldsmobile Montana and Pontiac Silhouette
• Restores proper windshield contact and wiping efficiency
• Fixes issues with loose or unstable wiper blade attachment
• Resolves washer fluid delivery problems due to faulty spray nozzles
• Improves visibility during adverse weather conditions by ensuring effective wiping

Installation Notes and Tips

• Designed for specific fitment; verify compatibility with your Oldsmobile Montana, Pontiac Silhouette, or Pontiac Trans Sport before installation
• Use appropriate tools to remove the spine and flange nut securely
• Ensure the wiper arm is properly aligned to avoid uneven wiping or damage
• Check the spray nozzle for proper fluid flow after installation
• Consult vehicle service manual for torque specifications and detailed installation procedures

Quality Assurance and Warranty Information

Dorman manufactures the 42584 wiper arm to meet or exceed OEM standards for fit, form, and function. The combination of steel, plastic, and rubber materials is selected for durability and resistance to environmental factors. While no instruction manual is included, the part is engineered for straightforward installation on compatible Oldsmobile and Pontiac models. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.