WAI WPM1045 Wiper Motor - Rear

Brand WAI WPM1045
Position Rear
Mounting Hole Quantity 2
Terminal Quantity 5
Washer Pump Included No
Connector Gender Male
Terminal Gender Male
Wiring Harness Included No
SPECS Rear wiper motor
Fits Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab · 38 vehicles

OE-spec tested. Form, fit, and function are verified for a direct replacement.

Includes pulseboard. Adds the control component needed for proper wiper operation.

100% new construction. Precision engineered with high-grade materials for lasting performance.

Cross-references 12487592, 15198956 and 15229806 for the same application. See all 7.

$94.30Free 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 β€” free returns if it doesn't
Step 2 — Quantity
Order total $94.30
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 Trailblazer, Envoy, and More

The WAI WPM1045 is a rear wiper motor built for direct replacement on select GM and Saab applications. It is a 100% new unit, tested to OE specifications for form, fit, and function, and includes a pulseboard for proper rear wiper operation.

Key Features

  • 100% new rear wiper motor
  • Tested to OE specifications for form, fit, and function
  • Includes pulseboard
  • Direct-fit design for straightforward installation
  • Precision-engineered with high-grade materials
  • Male connector and male terminals
  • 2 mounting holes and 5 terminals
  • No washer pump included
  • No wiring harness included

Product Details

WAI Part Number WPM1045 is a rear wiper motor designed for vehicles that rely on a dedicated rear wipe system. It is engineered to meet or exceed OE manufacturing and performance specifications, helping restore consistent rear glass wiping on applications such as the Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, Isuzu Ascender, Buick Rainier, Chevrolet Trailblazer EXT, GMC Envoy XL, and Oldsmobile Bravada. This part cross-references OE numbers 12487592 and 15198956 for the same application.

Common Repair Symptoms

  • Rear wiper does not move
  • Intermittent rear wiper operation
  • Slow or weak rear wiper movement
  • Rear wiper stops in the wrong position
  • No response from the rear wiper switch

Installation Notes

Verify connector style, terminal count, and mounting points before installation. This rear wiper motor uses a male connector, male terminals, and a 2-hole mounting pattern. The washer pump is not included, and no wiring harness is supplied, so reuse or source the vehicle-side components as needed. Confirm rear-position fitment for your specific model year before ordering WPM1045.

Quality Assurance

WAI manufactures this wiper motor as a new replacement part built to OE-level specifications. The precision-engineered construction and limited lifetime warranty provide added confidence for long-term service on rear wiper applications.

This part fits 38 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2009ChevroletTrailblazerRearWiper Motor Only
2009GMCEnvoyRearWiper Motor Only
2009Saab9-7xRearWiper Motor Only
2008ChevroletTrailblazerRearWiper Motor Only
2008GMCEnvoyRearWiper Motor Only
2008IsuzuAscenderRearWiper Motor Only
2008Saab9-7xRearWiper Motor Only
2007BuickRainierRearWiper Motor Only
2007ChevroletTrailblazerRearWiper Motor Only
2007GMCEnvoyRearWiper Motor Only
2007IsuzuAscenderRearWiper Motor Only
2007Saab9-7xRearWiper Motor Only
2006BuickRainierRearWiper Motor Only
2006ChevroletTrailblazerRearWiper Motor Only
2006ChevroletTrailblazer EXTRearWiper Motor Only
2006GMCEnvoyRearWiper Motor Only
2006GMCEnvoy XLRearWiper Motor Only
2006IsuzuAscenderRearWiper Motor Only
2006Saab9-7xRearWiper Motor Only
2005BuickRainierRearWiper Motor Only
2005ChevroletTrailblazerRearWiper Motor Only
2005ChevroletTrailblazer EXTRearWiper Motor Only
2005GMCEnvoyRearWiper Motor Only
2005GMCEnvoy XLRearWiper Motor Only
2005IsuzuAscenderRearWiper Motor Only
2005Saab9-7xRearWiper Motor Only
2004BuickRainierRearWiper Motor Only
2004ChevroletTrailblazerRearWiper Motor Only
2004ChevroletTrailblazer EXTRearWiper Motor Only
2004GMCEnvoyRearWiper Motor Only
2004GMCEnvoy XLRearWiper Motor Only
2004IsuzuAscenderRearWiper Motor Only
2004OldsmobileBravadaRearWiper Motor Only
2003ChevroletTrailblazerRearWiper Motor Only
2003ChevroletTrailblazer EXTRearWiper Motor Only
2003GMCEnvoyRearWiper Motor Only
2003GMCEnvoy XLRearWiper Motor Only
2003IsuzuAscenderRearWiper Motor Only
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
12487592151989561522980625805561815198956081522980608258055610