OE Quality
60-Day Returns

ACI 81880 Window Regulator - Front Right
Reliable Power Window Regulator for Infiniti and Nissan
The ACI Window Regulator 81880 is designed to restore smooth power window operation for the front right door of select Infiniti and Nissan vehicles. Engineered to meet or exceed OEM standards, this new window regulator ensures dependable performance without the motor or mounting hardware included.
- Compatible with Infiniti Pathfinder and Nissan QX4 front right door
- Power window regulator type for electric window operation
- New part meeting or exceeding OEM quality
- Mounting hardware and motor not included
- Part number 81880 for precise identification
About the ACI Window Regulator Product Line
The ACI Window Regulator line focuses on replacement window regulators designed to provide reliable window movement and durability. This product line offers components that meet or exceed original equipment manufacturer specifications, ensuring compatibility and performance for power window systems. The 81880 model is part of this line, tailored specifically for front right door applications on select Infiniti and Nissan models.
Detailed Product Description
This power window regulator is engineered for the front right door of Infiniti Pathfinder and Nissan QX4 vehicles. It is a new replacement part that meets or exceeds OEM standards, ensuring a proper fit and reliable window operation. The regulator does not include the motor or mounting hardware, allowing for flexibility if you already have compatible components or prefer to source them separately. Designed for power window systems, this regulator facilitates smooth and consistent window movement.
Common Issues This Window Regulator Addresses
- Window stuck in the up or down position
- Intermittent or slow window movement
- Grinding or unusual noises during window operation
- Window falling inside the door panel
- Failure of the window to respond to power controls
Installation Notes and Tips
- Ensure compatibility with Infiniti Pathfinder or Nissan QX4 front right door before installation
- Motor and mounting hardware are not included; verify you have these components or purchase separately
- Follow vehicle-specific service manual instructions for removal and installation
- Handle regulator components carefully to avoid damage during installation
- Test window operation before reassembling door panel
Quality Assurance and Warranty
The ACI Window Regulator 81880 is a new part that meets or exceeds OEM quality standards, providing reliable performance for your vehicle’s power window system. While specific warranty details are not provided, ACI parts typically adhere to industry quality controls to ensure durability and fitment accuracy.
| Brand | Stoptech |
|---|---|
| Part Number | 126.33099SL |
| Position | Window Regulator |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.559 |
| Center Hole Diameter | 65.000 |
| Disc Mounting [cntrc] | Floating |
| Discard Thickness | 0.394 |
| Discard Thickness | 10.000 |
| Hat Finish | Coated |
| Misc Holes [cntrc] | 5 |
| Mounting Bolt Hole Circle Diameter | 4.413 |
| Mounting Bolt Hole Circle Diameter | 112.100 |
| Nominal Thickness | 0.469 |
| Nominal Thickness | 11.900 |
| Outside Diameter | 11.264 |
| Outside Diameter | 286.100 |
| Overall Height | 1.909 |
| Overall Height | 48.500 |
| Solid Or Vented Type Rotor | Solid |
| Stud/Lug Hole Diameter | 0.602 |
| Stud/Lug Hole Diameter | 15.300 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Slotted |
| Weight [cntrc] kgs | 4.820 |
| Weight [cntrc] lbs | 10.600 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Nissan | Pathfinder | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2003 | INFINITI | QX4 | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2003 | Nissan | Pathfinder | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2002 | INFINITI | QX4 | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2002 | Nissan | Pathfinder | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2001 | INFINITI | QX4 | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2001 | Nissan | Pathfinder | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2000 | INFINITI | QX4 | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 2000 | Nissan | Pathfinder | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 1999 | INFINITI | QX4 | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 1999 | Nissan | Pathfinder | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 1998 | INFINITI | QX4 | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 1998 | Nissan | Pathfinder | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 1997 | INFINITI | QX4 | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 1997 | Nissan | Pathfinder | Front Right | Window regulator suitable for vehicle's proper fit and function.; Window Regulator |
| 1996 | Nissan | Pathfinder | Front Right | Window 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.