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Dorman 42891 Windshield Wiper Arm - Rear
| Brand | Dorman 42891 |
|---|---|
| Position | Rear |
| Attachment Method | Spine / Flange Nut |
| Color | Black |
| Friction Material Thickness | Matte |
| Instruction Manual Included | No |
| Length | 10.5 |
| Material | Plastic |
| Material | Rubber |
| Material | Steel |
| Package Contents | 1 Wiper Arm |
| Universal Or Specific Fit | Specific |
| Wiper Blade Included | No |
| Wiper End Type | Snap In |
| Fits | Ford and Mercury · 11 vehicles |
OE-style fit. Matches the original arm's fit and function for a specific application.
Durable construction. Built with steel, plastic, and rubber for reliable performance.
Snap-in end. Uses a snap-in wiper end with spine/flange nut attachment.
Cross-references 8L8Z17526B for the same application. See all 1.
Rear Wiper Arm for Ford Escape and Mercury Mariner
Dorman 42891 is a rear windshield wiper arm built to match the fit and function of the original equipment arm on specified vehicles. It is engineered for durable, reliable operation and is a direct-fit replacement for rear wiper service on select Ford Escape and Mercury Mariner models.
Key Features
- Specific-fit rear wiper arm for confirmed applications
- Black matte finish for an OE-style appearance
- Constructed from plastic, rubber, and steel for strength and wear resistance
- 10.5-inch length
- Spine / flange nut attachment method with snap-in wiper end type
- Wiper blade not included
- Designed for rear wiper service on Ford Escape and Mercury Mariner vehicles
Detailed Description
This Dorman rear wiper arm, part number 42891, is designed for direct replacement on 2007-2012 Ford Escape and 2007-2011 Mercury Mariner rear applications. It follows the original arm’s fit and function, helping restore proper rear window wiping performance when the factory arm is worn, damaged, or no longer holding the blade securely. The black matte finish and OE-style construction support a clean, factory-like appearance on the vehicle.
This part cross-references Ford OE number 8L8Z17526B for the same application.
What It Helps Address
- Rear wiper arm corrosion or surface wear
- Loose or weak rear wiper arm tension
- Improper rear blade contact on the glass
- Broken or damaged rear wiper arm assembly
- Reduced rear visibility during rain or road spray
Installation Notes and Tips
Fits 2012 Ford Escape, rear, to 4/09/12. Fits 2008-2011 Ford Escape, rear. Fits 2007 Ford Escape, rear, from 1/09/07. Fits 2008-2011 Mercury Mariner, rear. Fits 2007 Mercury Mariner, rear, from 1/09/07. Verify the rear attachment style and vehicle build date before installation. The wiper blade is not included, so reuse or replace the blade separately as needed. Part number 42891 is a specific-fit replacement and installs using the vehicle’s original mounting style.
Quality Assurance
Dorman designs this rear wiper arm to match original fit and function on the listed vehicles and to deliver dependable service in everyday use. Part number 42891 is built for direct replacement on the specified Ford Escape and Mercury Mariner rear wiper applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2012 | Ford | Escape | Rear | To 4/09/12 |
| 2011 | Ford | Escape | Rear | — |
| 2011 | Mercury | Mariner | Rear | — |
| 2010 | Ford | Escape | Rear | — |
| 2010 | Mercury | Mariner | Rear | — |
| 2009 | Ford | Escape | Rear | — |
| 2009 | Mercury | Mariner | Rear | — |
| 2008 | Ford | Escape | Rear | — |
| 2008 | Mercury | Mariner | Rear | — |
| 2007 | Ford | Escape | Rear | From 1/09/07 |
| 2007 | Mercury | Mariner | Rear | From 1/09/07 |
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