HomeACI 81508 Window Regulator - Front Left
Part #: 654

ACI 81508 Window Regulator - Front Left

Window Regulator
21 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 Toyota Sequoia and Tundra

The ACI Window Regulator 81508 is designed to restore smooth power window operation on the front left door of your Toyota Sequoia or Tundra. Engineered with durable materials, this new window regulator meets or exceeds OEM standards to ensure consistent performance.

  • Compatible with Toyota Sequoia and Tundra front left door
  • Power window operation type for seamless control
  • Hardened steel gear for enhanced durability
  • New part, not remanufactured
  • Mounting hardware and motor not included

Detailed Features of the ACI Window Regulator 81508

This power window regulator from ACI is built with a hardened steel gear, providing strength and resistance to wear over time. It is specifically designed for the front left mounting position, ensuring a precise fit for Toyota Sequoia and Tundra models. The part number 81508 identifies this exact component, which is a new unit that meets or exceeds original equipment manufacturer (OEM) specifications. Please note that the motor and mounting hardware are not included, so these components must be sourced separately if needed.

About the ACI Window Regulator Product Line

The ACI Window Regulator line focuses on delivering reliable window movement solutions for various vehicle makes and models. This product line emphasizes quality materials and OEM compliance, providing replacement parts that maintain factory-level functionality. The 81508 model is part of this line, offering a direct-fit solution for Toyota trucks and SUVs requiring front left power window regulators.

Common Issues Resolved by This Window Regulator

  • Power window failing to move up or down smoothly
  • Window stuck in one position due to worn gears
  • Intermittent window operation or slow response
  • Excessive noise during window movement
  • Window misalignment or uneven travel

Installation Notes and Tips

Installation of the ACI Window Regulator 81508 requires removal of the door panel and careful handling of the window glass. Since mounting hardware and motor are not included, verify the condition of existing components before installation. Use appropriate tools to avoid damage to the regulator or door assembly. Refer to vehicle-specific service manuals for detailed instructions to ensure proper fitment and operation.

Quality Assurance and Warranty Information

This ACI Window Regulator is a new replacement part that meets or exceeds OEM standards, ensuring reliable performance and durability. While specific warranty details are not provided here, ACI products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Confirm warranty terms with the supplier or manufacturer at the time of purchase.

BrandChampion
Part Number654
PositionWindow Regulator
Center Electrode Diameter (Inch)0.078
Center Electrode Tip MaterialNickel
ClassificationChampion Racing Plugs
Electrical Terminal TypeRemovable Nut
Gap StyleJ Gap
Ground Electrode Core MaterialNickel
Ground Electrode MaterialNickel Copper Alloy
Ground Electrode Quantity1
Ground Electrode Tip DesignJ Gap
Hex Size0.625
Hex Size15.880
Hex TypeHex
Installed Height (Inch)1.99
Manufacturer Heat Range59
Plug TypeG59C
Pre-Gap Size0.030
Pre-Gap Size0.77
Reach0.75
Resistor TypeNo
Seat TypeFlat
Taper Diameter (Inch)0.18
Thread Diameter0.394
Thread Diameter10.000

This part fits 21 vehicles. Search below:

YearMakeModelBody Type# DoorsLitersCylindersPositionNotes
2007ToyotaSequoiaFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2006ToyotaSequoiaFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2006ToyotaTundraCrew Cab Pickup4.7LV8Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2006ToyotaTundraCrew Cab Pickup4.0LV6Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2005ToyotaSequoiaFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2005ToyotaTundraCrew Cab Pickup4.7LV8Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2005ToyotaTundraCrew Cab Pickup4.0LV6Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2004ToyotaSequoiaFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2004ToyotaTundraCrew Cab Pickup4.7LV8Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2004ToyotaTundraCrew Cab Pickup3.4LV6Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2003ToyotaSequoiaFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2003ToyotaTundra4 Door3.4LV6Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2003ToyotaTundra4 Door4.7LV8Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2002ToyotaSequoiaFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2002ToyotaTundra4 Door3.4LV6Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2002ToyotaTundra4 Door4.7LV8Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2001ToyotaSequoiaFront LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2001ToyotaTundra4 Door4.7LV8Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2001ToyotaTundra4 Door3.4LV6Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2000ToyotaTundra4 Door4.7LV8Front LeftWindow regulator suitable for vehicle's proper fit and function.; Window Regulator
2000ToyotaTundra4 Door3.4LV6Front 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.

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

127569557471C7EC8ECR6ECR7ECR8ECR9EBG3G59CIMR9D9HR0179R0373A9U3CC

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