Dorman 42857 Windshield Wiper Arm - Front Right

Brand Dorman 42857
Position Front Right
Attachment Method Spine / Flange Nut
Color Black
Instruction Manual Included No
Length 22.75
Material Steel
Package Contents Wiper Arm
Universal Or Specific Fit Specific
Wiper End Type 2 Hole
Fits Toyota · 10 vehicles

OE-style replacement. Matches the fit and function of the original arm.

Steel construction. Built for durability and reliable performance.

Specific fit. Made for a precise, application-matched installation.

Cross-references 428572 and 8521089102 for the same application. See all 2.

$53.32Free shipping
In stock · usually ships same day before 1pm CST
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Order total $53.32
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Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 42857 Front Right Wiper Arm

This Dorman windshield wiper arm is a specific-fit replacement for select Toyota applications, built to match the original arm’s fit and function. It uses steel construction and a black finish for a direct replacement on the front right side of 1984-1988 Toyota 4Runner and 1984-1988 Toyota Pickup models.

Key Features

  • Specific-fit windshield wiper arm for direct replacement use
  • Steel construction for durable service
  • Black finish for a clean OE-style appearance
  • 22.75-inch length
  • Spine / flange nut attachment method
  • 2-hole wiper end type
  • Fits front right position on select Toyota 4Runner and Toyota Pickup applications

Detailed Description

Dorman 42857 is engineered as a replacement windshield wiper arm for the front right position on 1984-1988 Toyota 4Runner and 1984-1988 Toyota Pickup models. The steel arm is shaped to match the original part’s fit and function, helping restore proper blade placement and sweep performance. If you are searching for a front right wiper arm for a 1984-1988 Toyota 4Runner or Toyota Pickup, part number 42857 provides a direct-fit service replacement.

This part cross-references Monroe Shocks & Struts (e.g., 428572, 8521089102) for the same application.

What It Helps Fix

  • Wiper arm that no longer holds correct blade pressure on the windshield
  • Uneven or incomplete wiping on the front right side
  • Arm damage from wear, corrosion, or impact
  • Loose or improper blade positioning during operation
  • Reduced visibility caused by a worn windshield wiper arm

Installation Notes and Tips

Verify the vehicle’s front right application before ordering. This Dorman 42857 wiper arm uses a spine / flange nut attachment and a 2-hole wiper end type, so confirm the existing mounting style and blade connection match before installation. No instruction manual is included.

Quality Assurance

Dorman designs this windshield wiper arm to match the original arm’s fit and function on specified vehicles, with steel construction selected for dependable service. Part number 42857 is built for direct replacement use on confirmed Toyota 4Runner and Toyota Pickup applications.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1988Toyota4RunnerFront Right
1988ToyotaPickupFront Right
1987Toyota4RunnerFront Right
1987ToyotaPickupFront Right
1986Toyota4RunnerFront Right
1986ToyotaPickupFront Right
1985Toyota4RunnerFront Right
1985ToyotaPickupFront Right
1984Toyota4RunnerFront Right
1984ToyotaPickupFront Right
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
4285728521089102