Dorman 42858 Windshield Wiper Arm - Front Left

Brand Dorman 42858
Position Front Left
Attachment Method Spine / Flange Nut
Color Black
Instruction Manual Included No
Length 23
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. Engineered for a precise, application-matched installation.

Cross-references 428582 and 8519089132 for the same application. See all 2.

$50.44Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $50.44
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 42858 Front Left Wiper Arm

This Dorman windshield wiper arm is a direct-fit replacement for specified Toyota applications, built to match the original fit and function. It is made from steel with a black finish and uses a spine/flange nut attachment with a 2-hole wiper end for a secure connection.

Key Features

  • Direct replacement windshield wiper arm for specified vehicles
  • Steel construction for durable service
  • Black finish for a clean OE-style appearance
  • 23-inch length
  • Specific fit for the front left position
  • Attachment method: spine / flange nut
  • Wiper end type: 2 hole

Fitment Details

  • Fits 1984-1988 Toyota 4Runner, front left.
  • Fits 1984-1988 Toyota Pickup, front left.

Use Dorman 42858 when replacing a worn, bent, or corroded front left wiper arm on a 1984-1988 Toyota 4Runner or 1984-1988 Toyota Pickup. This part cross-references 428582 and 8519089132 for the same application.

What This Part Helps Solve

  • Weak or inconsistent windshield wiping on the driver side
  • Wiper arm corrosion or surface damage
  • Poor blade contact caused by a bent arm
  • Loose or worn attachment at the spindle connection
  • Reduced visibility from incomplete windshield coverage

Installation Notes and Tips

Verify the vehicle’s front left wiper arm style, attachment method, and 23-inch length before installation. Inspect the wiper blade and pivot area at the same time to confirm proper contact and movement after replacement. No instruction manual is included.

Quality Assurance

Dorman engineers this wiper arm to match the fit and function of the original part on the listed Toyota applications. The steel construction is selected for dependable everyday use on 1984-1988 Toyota 4Runner and Toyota Pickup models.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1988Toyota4RunnerFront Left
1988ToyotaPickupFront Left
1987Toyota4RunnerFront Left
1987ToyotaPickupFront Left
1986Toyota4RunnerFront Left
1986ToyotaPickupFront Left
1985Toyota4RunnerFront Left
1985ToyotaPickupFront Left
1984Toyota4RunnerFront Left
1984ToyotaPickupFront Left
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
4285828519089132