Dorman 42840 Wiper Arm - Front Left

Durable Wiper Arm for Ram 1500 and 2500 Series

The Dorman 42840 wiper arm is engineered specifically for Ram trucks, including the 1500, 1500 Classic, 2500, 3500, and 4000 models. Constructed from steel with a semi-gloss black finish, this wiper arm offers reliable performance and a precise fit for your vehicle's windshield wiper system.

• Material: High-quality steel for strength and durability
• Length: 22.4 inches for optimal windshield coverage
• Finish: Semi-gloss black for corrosion resistance and aesthetic match
• Type: Arc design with a 175-degree head angle for effective wiping
• Attachment: Bolt-on installation with hook-style wiper end
• Articulated arm design for consistent blade contact
• Specific fitment for Ram 1500, 1500 Classic, 2500, 3500, and 4000 models

Product Details and Specifications

The Dorman 42840 wiper arm is designed as a direct replacement part tailored to fit Ram trucks, ensuring compatibility and ease of installation. Its steel construction provides the necessary rigidity and resistance to wear, while the semi-gloss black finish helps protect against rust and environmental damage. The arc-shaped arm with a 175-degree head angle allows the wiper blade to maintain optimal contact with the windshield, improving visibility during adverse weather conditions. This wiper arm features a hook-type end for secure blade attachment and uses a bolt-on method for mounting, which aligns with factory specifications.

Common Applications and Problem Solving

• Replacement for bent or damaged wiper arms on Ram 1500 and 2500 series trucks
• Restores proper blade alignment and wiping performance
• Eliminates streaking or skipping caused by worn or loose arms
• Prevents corrosion-related failures with durable steel and protective finish
• Ensures secure blade attachment with hook-end design

Installation Notes and Tips

Installation of the Dorman 42840 wiper arm requires removing the old arm by loosening the bolt attachment. Align the new arm carefully to match the original position on the windshield. The hook-style wiper end allows for straightforward blade installation. No adapters or instruction manual are included, so referring to the vehicle’s service manual is recommended for proper torque specifications and alignment procedures.

Quality Assurance and Warranty

Dorman manufactures the 42840 wiper arm to meet or exceed OEM standards for fit, form, and function. While no specific warranty information is provided, Dorman parts typically undergo rigorous quality control to ensure durability and reliable performance on Ram trucks. This part is engineered to provide consistent operation under typical driving conditions.