WAI WPM8509 Wiper Motor - Rear

Brand WAI WPM8509
Position Rear
Wiring Harness Length 7
Wire Quantity 5
Mounting Hole Quantity 3
Terminal Quantity 4
Washer Pump Included No
Connector Gender Male
Terminal Gender Male
Wiring Harness Included Yes
SPECS Rear wiper motor
Fits Subaru · 14 vehicles

OE-spec replacement. 100% new motor built for direct fit and easy installation.

Precision engineered. Made with high-grade materials for reliable performance and longer life.

Wiring harness included. Comes ready with the harness for a simpler install.

Cross-references 86511-AE05A and 86511-AE05B for the same application. See all 2.

$79.82Free 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 $79.82
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Rear Wiper Motor for Subaru Baja, Legacy, and Outback

The WAI WPM8509 is a rear wiper motor built for direct replacement on select Subaru applications. It is 100% new, tested to OE specifications for form, fit, and function, and engineered for straightforward installation on the rear wiper system.

Key Features

  • Rear wiper motor for Subaru rear hatch applications
  • 100% new construction
  • Tested to OE specs for form, fit, and function
  • Direct-fit design for easier installation
  • Precision-engineered with high-grade materials for consistent performance
  • Male connector and male terminals
  • Wiring harness included
  • WAI part number WPM8509

Detailed Description

WAI WPM8509 is a rear wiper motor designed for Subaru Baja, Legacy, and Outback models with rear wiper motor-only applications. It is built to meet or exceed OE manufacturing and performance specifications, with a direct-fit design that supports clean replacement of the original rear wiper motor. This part cross-references Subaru OE numbers 86511-AE05A and 86511-AE05B for the same application. If you are replacing a worn rear wiper motor on a Subaru Legacy, Subaru Outback, or Subaru Baja, WPM8509 provides the correct fitment and connector style for the listed vehicles.

What It Helps Fix

  • Rear wiper blade not moving
  • Intermittent or slow rear wiper operation
  • Rear wiper motor noise without blade movement
  • Loss of rear windshield clearing function
  • Failure of the rear wiper system on the hatch or liftgate

Installation Notes and Tips

Fits 2003-2006 Subaru Baja, rear. Fits 2000-2004 Subaru Legacy, rear. Fits 2000-2004 Subaru Outback, rear. Confirm the vehicle uses the rear wiper motor-only configuration before installation. Verify connector style, terminal layout, and mounting points against the original unit. The motor uses a 7-inch wiring harness, 5 wires, 3 mounting holes, and 4 terminals.

Quality Assurance

WAI manufactures this rear wiper motor as a 100% new replacement part and tests it to OE specifications for form, fit, and function. Precision-engineered construction and high-grade materials are used to support reliable operation and longer service life.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2006SubaruBajaRearWiper Motor Only
2005SubaruBajaRearWiper Motor Only
2004SubaruBajaRearWiper Motor Only
2004SubaruLegacyRearWiper Motor Only
2004SubaruOutbackRearWiper Motor Only
2003SubaruBajaRearWiper Motor Only
2003SubaruLegacyRearWiper Motor Only
2003SubaruOutbackRearWiper Motor Only
2002SubaruLegacyRearWiper Motor Only
2002SubaruOutbackRearWiper Motor Only
2001SubaruLegacyRearWiper Motor Only
2001SubaruOutbackRearWiper Motor Only
2000SubaruLegacyRearWiper Motor Only
2000SubaruOutbackRearWiper Motor Only
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
86511-AE05A86511-AE05B