Dorman 42891 Windshield Wiper Arm - Rear

Reliable Wiper Arm Replacement for Ford Escape and Mercury Mariner

The Dorman 42891 wiper arm is designed specifically for Ford Escape and Mercury Mariner models, providing a precise fit and dependable performance. Constructed with durable materials, this wiper arm ensures consistent windshield clearing in various weather conditions.

Key Features of the Dorman 42891 Wiper Arm

• Material composition includes plastic, rubber, and steel for strength and flexibility
• Matte black finish for a low-profile, corrosion-resistant appearance
• Length of 10.5 inches tailored for specific vehicle fitment
• Snap-in wiper end type for secure blade attachment
• Attachment method uses spine and flange nut for stable installation
• Compatible specifically with Ford Escape and Mercury Mariner models
• Package includes one wiper arm without the blade

Detailed Description of the Dorman 42891 Wiper Arm

This Dorman wiper arm (part number 42891) is engineered to replace worn or damaged wiper arms on select Ford Escape and Mercury Mariner vehicles. The combination of plastic, rubber, and steel materials provides a balance of durability and flexibility, ensuring the arm maintains proper pressure against the windshield for effective wiping. The matte black finish helps resist corrosion and blends seamlessly with the vehicle’s exterior. The 10.5-inch length and snap-in wiper end type are designed for a precise fit, while the spine and flange nut attachment method offers secure mounting. Note that this product includes the wiper arm only; a compatible wiper blade must be purchased separately.

Common Issues Addressed by This Wiper Arm

• Wiper arm bending or warping causing uneven windshield contact
• Corrosion or rust weakening the arm’s structural integrity
• Loose or damaged attachment points leading to blade misalignment
• Wiper arm failure resulting in streaking or incomplete wiping
• Replacement for broken or missing wiper arms on Ford Escape and Mercury Mariner

Installation Notes and Tips

• Ensure vehicle compatibility with Ford Escape or Mercury Mariner before installation
• Use appropriate tools to remove the spine and flange nut attachment securely
• Align the wiper arm properly to avoid windshield damage or poor wiping performance
• Install a compatible wiper blade separately using the snap-in end type
• Check wiper arm tension and adjust if necessary for optimal contact

Quality Assurance and Warranty Information

Dorman manufactures the 42891 wiper arm to meet or exceed OEM standards for fit and function on Ford Escape and Mercury Mariner vehicles. While no instruction manual is included, the product is engineered for straightforward installation. Warranty coverage details should be confirmed through the original purchase source or Dorman’s official channels.