ACI
Window Assembly

ACI 389559 Window Motor and Regulator Assembly - Front Right

Brand ACI 389559
Position Front Right
Gear Material Hardened steel gear
Description Window motor assembly
Express Up or Down? No
Meets / Exceeds OEM? Yes
New or Reman New
Style Motor & regulator
Type Power
Product line Window Assembly
Fits Mazda · 3 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable fit and function.

Hardened steel gear. Built for smooth, durable operation in a power window assembly.

New motor and regulator. A complete power window assembly for straightforward replacement.

Cross-references ACI 389559, F15158590A and F15158590B for the same application. See all 8.

$53.19Free shipping
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Front Right Window Motor Assembly for Mazda RX-8

Restore smooth power window operation with this ACI Window Assembly, part number 389559. This new motor and regulator assembly is built for the front right position on 2009-2011 Mazda RX-8 models and uses a hardened steel gear for dependable window movement.

Key Features

  • Window motor and regulator assembly for power window service
  • Fits 2009-2011 Mazda RX-8, front right
  • New construction with hardened steel gear
  • Meets or exceeds OEM requirements
  • No express up or down function
  • ACI part number 389559

Product Details

ACI Window Assembly 389559 is a power window motor assembly designed for the front right door on the Mazda RX-8. The motor and regulator style construction supports direct replacement service for vehicles with a failed or slow-moving window mechanism. As a new unit that meets or exceeds OEM specifications, it provides a practical OE-style solution for restoring normal glass travel in 2009, 2010, and 2011 Mazda RX-8 applications. This part cross-references K389559 for the same application.

Common Problems This Part Can Address

  • Window glass will not move up or down from the front right door
  • Intermittent or weak power window operation
  • Grinding or slipping from a worn regulator gear
  • Window movement that stops before reaching full travel
  • Failure of the original motor assembly in Mazda RX-8 models

Installation Notes

Verify the front right position and match the vehicle year before installation. Confirm electrical connector and regulator alignment against the original assembly on the Mazda RX-8. After installation, test window travel and switch operation through the full range to confirm proper function.

Quality Assurance

This ACI window motor assembly is new and built to meet or exceed OEM specifications. The hardened steel gear is selected for durability in regular power window operation.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2011MazdaRX-8Front RightWindow Assembly
2010MazdaRX-8Front RightWindow Assembly
2009MazdaRX-8Front RightWindow Assembly
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACI — 389559F15158590AF15158590BF15158590CF15158590DF15158590EG22C5858XFK389559