ACI
Window Assembly

ACI 88556 Power Window Motor and Regulator Assembly - Rear Left

Brand ACI 88556
Position Rear Left
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. Meets or exceeds OEM requirements for dependable fit and function.

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

Power motor and regulator. Complete assembly for restoring window movement.

Cross-references ACI 88556, TYC 660556 and 72750S3VA01 for the same application. See all 8.

$136.33Free shipping
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Acura MDX Rear Left Window Motor Assembly

Restore power window operation with the ACI 88556 Window Assembly for the rear left position on 2001-2006 Acura MDX models. This new power window motor and regulator assembly uses a hardened steel gear and meets or exceeds OEM requirements for a direct-fit replacement.

Key Features

  • Window Motor Assembly with motor and regulator style construction
  • Power window type for rear left door application
  • Hardened steel gear for durable gear engagement
  • New replacement part, not remanufactured
  • Meets or exceeds OEM specifications
  • Direct interchange for ACI 88556

Product Details

The ACI Window Assembly line is built for straightforward replacement of worn or failed power window components. Part number 88556 is engineered for the rear left window on 2001-2006 Acura MDX vehicles and is a practical choice when the original window motor or regulator has stopped working, slowed down, or become noisy. This assembly is also cross-referenced to TYC 660556 for the same application.

Fits 2001-2006 Acura MDX, rear left. The fitment covers the full 2001, 2002, 2003, 2004, 2005, and 2006 model years for this position, making ACI 88556 a focused replacement for the rear left power window system on the Acura MDX.

Common Issues This Part Can Address

  • Rear left window will not move up or down
  • Window movement is slow, uneven, or intermittent
  • Grinding or clicking from the door during window operation
  • Failed motor or worn regulator gear engagement
  • Window stops before reaching the fully open or closed position

Installation Notes

Verify the vehicle year, make, model, and rear left position before installation. Compare the original unit and connector layout to confirm match-up with the existing power window system. Because this is a motor and regulator assembly, proper alignment during installation is important for smooth window travel and reliable operation.

Quality Assurance

ACI 88556 is a new replacement assembly built with a hardened steel gear and manufactured to meet or exceed OEM specifications. It is intended as a direct replacement for the rear left power window assembly on the Acura MDX.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2006AcuraMDXRear LeftWindow Assembly
2005AcuraMDXRear LeftWindow Assembly
2004AcuraMDXRear LeftWindow Assembly
2003AcuraMDXRear LeftWindow Assembly
2002AcuraMDXRear LeftWindow Assembly
2001AcuraMDXRear LeftWindow Assembly
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACI — 88556TYC — 66055672750S3VA0172750S3VA0272750S3VA037485586652968D88556