Dorman 42584 Windshield Wiper Arm - Front Left

Dorman 42584 Front Left Wiper Arm

Dorman 42584 is a specific-fit windshield wiper arm for the front left position on select Pontiac, Oldsmobile, and Pontiac minivans. It is built to match the original arm’s fit and function, with a black finish and durable plastic, rubber, and steel construction for dependable windshield wiping performance.

Key Features

• Specific-fit windshield wiper arm for the front left side
• Black finish for a clean OE-style appearance
• Constructed from plastic, rubber, and steel
• 33.25 in. length
• Hook-style wiper end type
• Spine / flange nut attachment method
• Package includes wiper arm and spray nozzle
• Cross-reference part number: 10293950

Detailed Description

This Dorman wiper arm is engineered for vehicles that need a direct replacement for the original front left arm. It is compatible with 1999-2005 Pontiac Montana, 1997-2004 Oldsmobile Silhouette, and 1997-1998 Pontiac Trans Sport, making it a practical choice when replacing a worn or damaged Pontiac Montana wiper arm or Oldsmobile Silhouette front left wiper arm. The 33.25-inch length, hook-style end, and spine/flange nut attachment are specified to align with the original application. Dorman 42584 is also a useful search match for drivers looking for a Pontiac Trans Sport windshield wiper arm replacement.

What It Helps Address

• Broken or bent front left wiper arm
• Poor windshield contact from a worn arm
• Uneven wiping caused by weakened arm tension
• Corrosion or damage on the original arm assembly
• Loss of proper spray nozzle function at the arm assembly

Installation Notes and Tips

Verify the vehicle’s year, make, model, and front left position before ordering. Confirm the hook-style wiper connection and spine/flange nut attachment match the original setup on the vehicle. Because no instruction manual is included, compare the replacement arm to the removed part before installation and ensure the arm seats correctly on the spindle and aligns properly with the windshield sweep path.

Quality Assurance

Dorman designs this windshield wiper arm to match original fit and function on the listed vehicles, with materials selected for durability and reliable operation. The part number 42584 is built as a direct replacement for the specified applications.