WAI 389847 Window Motor and Regulator Assembly - Rear Right

Brand WAI 389847
Position Rear Right
Gear Material Steel
Attachment Type Bolt
Regulator Included Yes
Mounting Hardware Included No
Motor Included Yes
Terminal Quantity 2
Installation Instructions Included Yes
Anti-Pinch Motor No
Description Power window motor and regulator assembly
DOOR PANEL INCLUDED Included
EXPRESS UP OR DOWN No
INCLUDES CIRCUIT BREAKER Included
MEET OR EXCEEDS OEM SPECS Yes
NEW OR REMANUFACTURED New
Fits Kia · 5 vehicles

Direct-fit assembly. Combines the motor and regulator for a straightforward replacement.

Steel gear design. Built with durable gear material for consistent window operation.

OE-spec construction. Made to meet or exceed original manufacturing and performance standards.

$142.32Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $142.32
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Free returns within 60 days if it doesn't fit when fitment is verified.

Overview

This WAI window motor and regulator assembly is a direct-fit replacement for the rear right door on compatible Kia Optima models. It combines the motor and regulator in one new assembly for a straightforward repair, and part number 389847 is built to meet or exceed OE manufacturing and performance specifications.

Key Features

  • New power window motor and regulator assembly
  • Steel gear construction for durable operation
  • Bolt attachment type for OE-style mounting
  • Includes the regulator and motor in one assembly
  • Includes the door panel and circuit breaker as listed
  • Meets or exceeds OEM specifications
  • Part number 389847

Detailed Description

WAI 389847 is a power window motor and regulator assembly engineered for direct fitment and consistent operation. It is built with high-grade materials and a steel gear, and the assembly is new rather than remanufactured. For Kia Optima applications, this part number 389847 supports a clean replacement path when the original window drive system has worn gears, a failed motor, or regulator movement issues.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

  • Restoring window movement when the motor no longer runs
  • Replacing a worn or damaged regulator assembly
  • Addressing stripped gears or inconsistent glass travel
  • Repairing a window system that binds or stops during operation

Installation Notes

Fits 2016-2020 Kia Optima, rear right, with panel. Installation instructions are included. Mounting hardware is not included. Verify connector style, terminal count, and door configuration before installation.

Quality Assurance

WAI states that this assembly is manufactured to meet or exceed OE specifications and is backed by a limited lifetime warranty.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2020KiaOptima2.4LL4Rear Rightw/ Panel
2019KiaOptima2.4LL4Rear Rightw/ Panel
2018KiaOptima2.4LL4Rear Rightw/ Panel
2017KiaOptima2.4LL4Rear Rightw/ Panel
2016KiaOptima2.4LL4Rear Rightw/ Panel