HomeWiper and Washer > Windshield Wiper Arm, Blade, and Related ComponentsDorman 42587 Windshield Wiper Arm - Rear
Part #: 42587

Dorman 42587 Windshield Wiper Arm - Rear

Rear
5 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Jeep, Grand Cherokee
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Overview of Dorman 42587 Wiper Arm for Jeep Grand Cherokee

The Dorman 42587 wiper arm is designed specifically for Jeep Grand Cherokee models, providing a reliable replacement for your vehicle's windshield wiper system. Constructed from durable steel and finished in black, this wiper arm ensures a secure fit and consistent performance.

  • Material: Steel construction for strength and durability
  • Length: 18.5 inches, tailored for Jeep Grand Cherokee fitment
  • Color: Black finish for corrosion resistance and aesthetic match
  • Attachment Method: Spine with flange nut for secure installation
  • Wiper End Type: Hook style compatible with standard wiper blades
  • Specific fitment for Jeep Grand Cherokee models
  • Package includes one wiper arm

Detailed Product Description

The Dorman 42587 wiper arm is engineered to meet the exact specifications of Jeep Grand Cherokee vehicles, ensuring proper alignment and function. Its steel material provides the necessary rigidity to maintain blade pressure against the windshield, which is critical for effective water removal and clear visibility. The 18.5-inch length is optimized for the Grand Cherokee’s windshield size, while the black finish offers resistance to environmental elements. The hook-type wiper end allows for easy blade attachment and replacement, and the spine with flange nut attachment method secures the arm firmly to the vehicle’s wiper motor assembly.

Common Applications and Problem Resolution

  • Replacement for bent or damaged wiper arms on Jeep Grand Cherokee
  • Restores proper blade contact for improved windshield clearing
  • Eliminates wiper skipping or streaking caused by worn arms
  • Addresses loose or unstable wiper arm attachment issues
  • Prevents corrosion-related failures with durable steel construction

Installation Notes and Tips

  • Designed for specific fitment on Jeep Grand Cherokee models; verify vehicle compatibility before installation
  • Requires removal of the flange nut to detach the old wiper arm
  • Ensure the wiper arm is properly aligned before tightening the flange nut to avoid uneven blade pressure
  • No instruction manual included; professional installation or reference to vehicle service manual is recommended

Quality Assurance and Warranty Information

Dorman manufactures the 42587 wiper arm to meet OEM standards for fit and function. The steel construction and finish are tested for durability under typical driving conditions. While no specific warranty details are provided with this part, Dorman products generally come with limited warranties covering defects in material and workmanship. For detailed warranty information, consult Dorman’s official resources or product documentation.

BrandDorman
Part Number42587
Attachment MethodSpine / Flange Nut
ColorBlack
Instruction Manual IncludedNo
Length18.5
MaterialSteel
Package ContentsWiper Arm
Universal Or Specific FitSpecific
Wiper End TypeHook

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
1998JeepGrand CherokeeRearwo/Moveable Glass
1997JeepGrand CherokeeRearwo/Moveable Glass
1996JeepGrand CherokeeRearwo/Moveable Glass
1995JeepGrand CherokeeRearwo/Moveable Glass
1994JeepGrand CherokeeRear

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

55154786

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.