Dorman 42545 Windshield Wiper Arm - Front Left

Overview of Dorman 42545 Wiper Arm for Chevrolet and GMC Vans

The Dorman 42545 wiper arm is designed specifically for Chevrolet Express and GMC Savana vans, including 1500, 2500, and 3500 models. This replacement wiper arm ensures proper windshield coverage and reliable performance in various weather conditions.

• Constructed with durable steel, plastic, and rubber materials for strength and flexibility
• Measures 23.67 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 a spray nozzle integrated into the wiper arm
• Attachment method uses spine and flange nut for a precise fit
• Designed for specific fitment on Chevrolet Express and GMC Savana vans

Detailed Product Description

The Dorman 42545 wiper arm combines steel, plastic, and rubber components to provide a durable and functional replacement part for your Chevrolet Express 1500, 2500, 3500 or GMC Savana 1500, 2500, 3500. Its 23.67-inch length matches OEM specifications, ensuring proper windshield coverage and wiping performance. The black finish maintains the original look of your vehicle’s wiper system. The hook-type wiper end allows for easy installation of compatible wiper blades, while the integrated spray nozzle helps maintain clear visibility by delivering washer fluid directly onto the windshield. The attachment method using spine and flange nut ensures a secure and stable connection to the vehicle’s wiper motor assembly.

Common Applications and Issues Addressed

• Replacement of worn or damaged wiper arms on Chevrolet Express and GMC Savana vans
• Restores proper windshield wiping coverage and blade alignment
• Fixes loose or bent wiper arms that cause streaking or incomplete wiping
• Improves washer fluid delivery with integrated spray nozzle
• Eliminates corrosion or breakage issues from original wiper arm components

Installation Notes and Tips

• Ensure vehicle compatibility with Chevrolet Express 1500, 2500, 3500 and GMC Savana 1500, 2500, 3500 models before installation
• Use appropriate tools to remove the flange nut and detach the old wiper arm
• Align the new wiper arm properly on the wiper motor spindle before tightening
• Check the hook-type wiper end for secure blade attachment after installation
• Test washer fluid spray function to confirm nozzle operation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 42545 wiper arm undergoes quality inspections to ensure durability and reliable performance. While no specific instruction manual is included, installation follows standard procedures for wiper arm replacement. Warranty coverage details can be obtained from the product packaging or Dorman’s official resources.