Dorman 42668 Windshield Wiper Arm - Front Left

Overview of Dorman 42668 Wiper Arm for Chevrolet and GMC

The Dorman 42668 wiper arm is designed specifically for select Chevrolet and GMC trucks and SUVs, including the Silverado, Sierra, Suburban, Tahoe, and Yukon models. This replacement wiper arm features a durable construction with a gloss black finish to maintain the vehicle's appearance while providing reliable performance.

• Constructed from steel, plastic, and rubber materials for strength and flexibility
• Measures 23 inches in length to match original equipment specifications
• Gloss black finish resists corrosion and complements vehicle styling
• Specific fitment for Chevrolet and GMC models including Silverado 1500, Sierra 2500 HD, and Yukon XL 2500
• Attachment via spine and flange nut with bolt-on wiper end type for secure installation
• Includes wiper arm and integrated spray nozzle; wiper blade sold separately

Detailed Product Description

The Dorman 42668 wiper arm is engineered to meet the exact fitment requirements of Chevrolet and GMC full-size trucks and SUVs. Its steel core provides the necessary rigidity to hold the wiper blade firmly against the windshield, while the plastic and rubber components help reduce noise and vibration during operation. The 23-inch length corresponds to factory specifications for models such as the Silverado 1500 and Sierra 3500 HD, ensuring proper coverage and wiping performance. The gloss black finish offers resistance to environmental elements, helping to prevent rust and maintain a clean appearance over time. This wiper arm uses a bolt-on attachment method with a spine and flange nut, allowing for a secure and straightforward installation process. The included spray nozzle integrates windshield washer functionality directly into the arm, although the wiper blade itself is not included and must be purchased separately.

Compatible Vehicles and Applications

• Chevrolet Silverado 1500, 2500 HD, 3500 HD
• Chevrolet Suburban 1500, 2500
• Chevrolet Tahoe
• GMC Sierra 1500, 2500 HD, 3500 HD
• GMC Yukon, Yukon XL 1500, Yukon XL 2500

Common Issues Addressed by This Wiper Arm

• Wiper arm bending or breaking due to wear or impact
• Poor windshield contact causing streaks or missed areas
• Corrosion or rust compromising arm integrity
• Damaged or clogged spray nozzle affecting washer fluid delivery
• Loose or faulty attachment leading to wiper arm movement or detachment

Installation Notes and Tips

• Ensure the vehicle is parked with the ignition off before beginning installation
• Remove the old wiper arm by loosening the flange nut and detaching the bolt-on connection
• Align the new Dorman 42668 wiper arm carefully to the mounting point to avoid misalignment
• Tighten the flange nut securely to prevent arm movement during operation
• Test the spray nozzle function and wiper movement after installation

Quality Assurance and Warranty

Dorman manufactures the 42668 wiper arm to meet or exceed OEM standards for fit, form, and function. The combination of steel, plastic, and rubber materials ensures durability and reliable performance under typical driving conditions. While no instruction manual is included, the straightforward bolt-on installation method is consistent with factory procedures. Warranty coverage details should be confirmed with the point of purchase or Dorman directly.