HomeACI 88870 Power Window Motor and Regulator Assembly - Front Left
Part #: 88870

ACI 88870 Power Window Motor and Regulator Assembly - Front Left

Window Assembly, Front Left
13 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
Window Assembly, Front Left
Fitment: Kia and Hyundai, Optima and Sonata
Easy Returns — Return within 60 days for a full refund
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Reliable Window Motor and Regulator Assembly for Hyundai and Kia

The ACI Window Assembly 88870 is a new power window motor and regulator designed specifically for Hyundai Optima and Kia Sonata models. Engineered with a hardened steel gear, this assembly ensures durable and consistent window operation that meets or exceeds OEM standards.

  • New power window motor and regulator assembly
  • Hardened steel gear for enhanced durability
  • Meets or exceeds original equipment manufacturer (OEM) specifications
  • Compatible with Hyundai Optima and Kia Sonata vehicles
  • Part number 88870 for precise fitment

About the ACI Window Assembly Product Line

The ACI Window Assembly product line focuses on delivering complete window motor and regulator solutions that combine motor functionality with regulator mechanisms. This integrated approach simplifies replacement and ensures proper alignment and operation of power windows in compatible vehicles. The 88870 part is part of this line, providing a reliable and direct-fit option for Hyundai and Kia models requiring window motor and regulator replacement.

Detailed Product Description

This window motor and regulator assembly features a hardened steel gear designed to withstand the stresses of regular window operation. As a new component, it offers improved reliability over remanufactured parts. The assembly is engineered to meet or exceed OEM specifications, ensuring compatibility and performance consistent with factory-installed parts. The power type design allows for smooth and efficient window movement, restoring proper function to Hyundai Optima and Kia Sonata power windows.

Common Applications and Issues Resolved

  • Restores power window operation in Hyundai Optima and Kia Sonata
  • Replaces faulty or worn window motors and regulators
  • Eliminates window sticking or slow movement
  • Fixes windows that fail to stay in position
  • Addresses grinding or unusual noises during window operation

Installation Notes and Tips

  • Ensure vehicle compatibility by verifying make, model, and part number 88870 before installation
  • Disconnect the vehicle battery prior to installation to prevent electrical issues
  • Follow manufacturer instructions for removing door panels and securing the assembly
  • Test window operation before reassembling door components
  • Use appropriate tools to avoid damage to the assembly or vehicle door

Quality Assurance and Warranty

The ACI Window Assembly 88870 is manufactured to meet or exceed OEM quality standards, providing dependable performance for Hyundai Optima and Kia Sonata vehicles. This new part undergoes quality checks to ensure durability and proper function. Warranty coverage details should be confirmed with the distributor or installer, as they may vary.

BrandACI
Part Number88870
PositionWindow Assembly, Front Left
DescriptionWindow Motor Assembly
Meets / Exceeds OEM?Yes
New or RemanNew
StyleMotor & Regulator
Thread DirectionHardened steel gear
TypePower

This part fits 13 vehicles. Search below:

YearMakeModelPositionNotes
2006KiaOptimaFront Left5th Digit Of VIN D; Window Assembly
2005HyundaiSonataFront LeftWindow Assembly
2005KiaOptimaFront LeftWindow Assembly
2004HyundaiSonataFront LeftWindow Assembly
2004KiaOptimaFront LeftWindow Assembly
2003HyundaiSonataFront LeftWindow Assembly
2003KiaOptimaFront LeftWindow Assembly
2002HyundaiSonataFront LeftWindow Assembly
2002KiaOptimaFront LeftWindow Assembly
2001HyundaiSonataFront LeftWindow Assembly
2001KiaOptimaFront LeftWindow Assembly
2000HyundaiSonataFront LeftWindow Assembly
1999HyundaiSonataFront LeftWindow Assembly

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

11A5821929773140338010665246174110082403380108240338011824033C010824504ER88870E88870WL41200

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.