HomeACI 81879 Window Regulator - Front Left
Part #: 859010

ACI 81879 Window Regulator - Front Left

Window Regulator
16 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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OE Direct Replacement — Bolt-on fit, no modifications needed
Window Regulator
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Reliable Power Window Regulator for Infiniti and Nissan

The ACI Window Regulator 81879 is designed to restore smooth power window operation on the front left door of your Infiniti Pathfinder or Nissan QX4. This new replacement part meets or exceeds OEM standards, ensuring dependable performance and fitment.

  • Mounting Position: Front left door
  • Window Operation Type: Power window regulator
  • Motor Included: No, motor sold separately
  • Mounting Hardware: Not included
  • Condition: New, not remanufactured
  • Meets or exceeds OEM specifications

About the ACI Window Regulator Product Line

The ACI Window Regulator line focuses on providing precise fit and reliable function for power window systems. Each regulator is engineered to match OEM quality, offering a direct replacement solution for vehicles like the Infiniti Pathfinder and Nissan QX4. This ensures consistent window movement and long-term durability without the need for additional modifications.

Detailed Product Description

This power window regulator is specifically designed for the front left door of Infiniti Pathfinder and Nissan QX4 models. The part number 81879 corresponds to a new regulator that does not include the motor or mounting hardware, allowing for flexible installation options if you already have compatible components. Constructed to meet or exceed original equipment manufacturer standards, this regulator supports smooth and reliable window operation, restoring functionality to your vehicle’s power window system.

Common Issues This Window Regulator Addresses

  • Window stuck in the up or down position
  • Slow or uneven window movement
  • Window falling inside the door panel
  • Grinding or clicking noises during window operation
  • Complete failure of power window function on front left door

Installation Notes and Tips

  • Ensure compatibility with Infiniti Pathfinder or Nissan QX4 front left door before installation
  • Motor and mounting hardware are not included; verify if replacement or reuse is needed
  • Disconnect vehicle battery before beginning installation to avoid electrical hazards
  • Follow vehicle-specific service manual instructions for removal and installation
  • Test window operation before reassembling door panel

Quality Assurance and Warranty

The ACI Window Regulator 81879 is a new part that meets or exceeds OEM quality standards, providing reliable performance for your vehicle. While specific warranty details may vary, ACI products typically come with a limited warranty covering defects in materials and workmanship to ensure customer confidence in the replacement part.

This part fits 16 vehicles. Search below:

YearMakeModelPositionNotes
2004NissanPathfinderFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2003INFINITIQX4Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2003NissanPathfinderFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2002INFINITIQX4Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2002NissanPathfinderFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2001INFINITIQX4Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2001NissanPathfinderFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2000INFINITIQX4Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2000NissanPathfinderFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
1999INFINITIQX4Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
1999NissanPathfinderFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
1998INFINITIQX4Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
1998NissanPathfinderFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
1997INFINITIQX4Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
1997NissanPathfinderFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
1996NissanPathfinderFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator

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