Dorman 42794 Wiper Arm - Front Left

Dorman 42794 Wiper Arm for Select GM Vehicles

Dorman 42794 is a front left windshield wiper arm built to match the fit and function of the original arm on specified vehicles. It is a steel, black, arc-style replacement made for direct, specific-fit applications on the Chevrolet Equinox and GMC Terrain.

Key Features

• Direct replacement windshield wiper arm for the front left position
• Steel construction for durability and dependable operation
• Black finish for a clean OE-style appearance
• Arc-style design with articulated construction
• Bolt-on attachment method with slot-style wiper end
• Specific fit for select Chevrolet Equinox and GMC Terrain models
• Part number 42794 for easy identification

Detailed Description

This Dorman wiper arm is engineered for vehicles that need a precise OE-style replacement at the front left windshield position. It is compatible with 2010-2017 Chevrolet Equinox, front left, and 2010-2017 GMC Terrain, front left. The steel body, 164-degree head angle, and 23-inch length support proper blade positioning and consistent windshield contact. If you are replacing a worn or damaged wiper arm on a Chevrolet Equinox or GMC Terrain, Dorman 42794 provides a direct-fit solution that follows the original application.

This part cross-references GM OE numbers 20866989 and 20903479 for the same application.

Common Problems This Part Can Help Solve

• Loose or weak wiper arm tension
• Poor windshield contact from a bent or worn arm
• Streaking caused by incorrect blade angle or pressure
• Intermittent wiping from a damaged front left arm assembly
• Noise or skipping from an arm that no longer tracks correctly

Installation Notes and Tips

Install on the front left position only. This is a bolt-on, specific-fit wiper arm with no adapters included and no instruction manual included. Verify the vehicle application before installation and confirm the slot-style wiper end matches the existing blade connection. Dorman 42794 is not a universal arm and is not supplied with a wiper blade.

Quality Assurance

Dorman designs this windshield wiper arm to match original fit and function while using durable steel construction for reliable service on the specified Chevrolet Equinox and GMC Terrain applications.