Dorman 42878 Windshield Wiper Arm - Front Left, Front Right or Rear

Overview of Dorman 42878 Wiper Arm for Jeep Wrangler

The Dorman 42878 wiper arm is a specifically designed replacement part for Jeep Wrangler models. Constructed from durable steel with a matte black finish, this wiper arm ensures reliable performance and a precise fit for your vehicle's windshield wiper system.

• Material: Steel for strength and durability
• Length: 18.75 inches for proper windshield coverage
• Color: Matte black finish for corrosion resistance and aesthetic match
• Attachment Method: Spine with flange nut for secure installation
• Wiper End Type: Pin style for compatibility with specific wiper blades
• Fitment: Designed specifically for Jeep Wrangler models
• Package Contents: Includes one wiper arm (blade not included)

Detailed Product Description

The Dorman 42878 wiper arm is engineered to meet the exact specifications required by Jeep Wrangler vehicles. Made from high-quality steel, it offers the necessary strength to withstand daily use and harsh weather conditions. The matte black finish provides resistance against rust and corrosion, maintaining the arm's integrity and appearance over time. Measuring 18.75 inches in length, this wiper arm ensures optimal windshield coverage for effective water and debris removal. The pin-type wiper end is designed to securely hold compatible wiper blades, although blades are sold separately. Installation is facilitated by a spine and flange nut attachment method, providing a firm and stable connection to the vehicle's wiper motor assembly.

Common Uses and Problem Resolution

• Replacement of bent or damaged wiper arms on Jeep Wrangler models
• Restoring proper windshield wiper function for improved visibility
• Addressing issues with loose or unstable wiper arms
• Upgrading worn or corroded wiper arms to maintain safety standards
• Ensuring compatibility with specific Jeep Wrangler wiper blade designs

Installation Notes and Tips

• Ensure the vehicle is turned off before beginning installation
• Remove the old wiper arm by loosening the flange nut and detaching the pin connection
• Align the new Dorman 42878 wiper arm carefully with the wiper motor spindle
• Secure the arm using the spine and flange nut attachment method
• Test the wiper arm movement to confirm proper installation and clearance

Quality Assurance and Warranty

Dorman manufactures the 42878 wiper arm to meet industry standards for fit and function specific to Jeep Wrangler vehicles. While no instruction manual is included, the part is designed for straightforward installation by professionals or experienced DIYers. Warranty information should be verified through the original purchase source or Dorman's official channels to confirm coverage details.