ACI 88557 Power Window Motor and Regulator Assembly - Rear Right
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 Window Assembly

ACI 88557 Power Window Motor and Regulator Assembly - Rear Right

Brand ACI 88557
Position Rear Right
Description Window Motor Assembly
Meets / Exceeds OEM? Yes
New or Reman New
Style Motor & Regulator
Thread Direction Hardened steel gear
Type Power
Product line Window Assembly
Fits Acura · 6 vehicles

OE direct replacement. New power window motor and regulator assembly.

Hardened steel gear. Built for durable, reliable window operation.

Motor & regulator style. Combines both functions in one assembly.

Cross-references ACI 88557, TYC 660555 and 72710S3VA01 for the same application. See all 8.

$97.81Free shipping
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Order total $97.81
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Not what you need? See all Power Window Motor and Regulator Assembly options

Rear Right Window Motor Assembly for Acura MDX

ACI 88557 is a new power window motor and regulator assembly for the rear right position on select Acura MDX models. It is built with a hardened steel gear and meets or exceeds OEM requirements for fit and function.

Key Features

  • Window Motor Assembly with motor and regulator style construction
  • Power window type for rear right door operation
  • Hardened steel gear for durable gear engagement
  • New replacement part, not remanufactured
  • Meets or exceeds OEM specifications
  • Direct-fit application for 2001-2006 Acura MDX rear right window service

Product Details

ACI Window Assembly 88557 is engineered for the rear right power window on 2001-2006 Acura MDX vehicles. This assembly combines the motor and regulator in one unit to restore window movement when the original component has worn gears, weak motor output, or inconsistent operation. The hardened steel gear supports reliable engagement under repeated use, and the new construction provides a service replacement that aligns with OEM-level requirements. This part cross-references TYC 660555 for the same application.

Common Issues This Part Can Solve

  • Rear right window will not move up or down
  • Slow or intermittent window operation
  • Grinding or slipping from worn internal gears
  • Window stops before fully opening or closing
  • Motor runs but the glass does not respond

Installation Notes and Tips

Verify the rear right position and confirm the vehicle is a 2001-2006 Acura MDX before installation. Compare the original connector, mounting points, and regulator layout to the replacement assembly. After installation, test full up-and-down travel and check for smooth operation without binding.

Quality Assurance

ACI 88557 is a new part built to meet or exceed OEM specifications for the listed application. The ACI Window Assembly line focuses on replacement components for vehicle window repair, including motor and regulator assemblies such as this Acura MDX rear right unit.

Related reading

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2006AcuraMDXRear RightWindow Assembly
2005AcuraMDXRear RightWindow Assembly
2004AcuraMDXRear RightWindow Assembly
2003AcuraMDXRear RightWindow Assembly
2002AcuraMDXRear RightWindow Assembly
2001AcuraMDXRear 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 — 88557TYC — 66055572710S3VA0172710S3VA0272710S3VA037485596652969D88557