HomeACI 84078 Window Regulator - Front Left
Part #: 84078

ACI 84078 Window Regulator - Front Left

Window Regulator, Front Left
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OE Direct Replacement — Bolt-on fit, no modifications needed
Window Regulator, Front Left
Fitment: GMC and Chevrolet, 100, 150, 250, 370, Truck, One-Fifty Series, and Two-Ten Series
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Reliable Manual Window Regulator for Front Left Door

The ACI 84078 manual window regulator is designed to restore smooth window operation on the front left door of compatible vehicles. Featuring a hardened steel gear, this new window regulator meets or exceeds OEM standards to ensure durability and consistent performance.

  • Brand: ACI
  • Brand Line: Window Regulator
  • Part Number: 84078
  • Mounting Position: Front left door
  • Window Operation Type: Manual
  • Gear Material: Hardened steel gear
  • Mounting Hardware: Not included
  • Motor Included: No
  • Condition: New, meets or exceeds OEM specifications

About the ACI Window Regulator Product Line

The ACI Window Regulator line focuses on providing reliable replacement parts for vehicle door window mechanisms. This product line includes manual and power window regulators designed to restore proper window function. The 84078 part is a manual regulator specifically engineered for front left door applications, ensuring compatibility and durability through quality materials like hardened steel gears.

Product Details and Features

This manual window regulator is built with a hardened steel gear to withstand regular use and provide smooth window movement. It is intended for the front left door and does not include mounting hardware or a motor, making it suitable for vehicles with manual window operation. The part number 84078 identifies this specific regulator within the ACI catalog, ensuring precise fitment when replacing worn or damaged window regulators.

Common Issues This Window Regulator Addresses

  • Window glass stuck or difficult to raise and lower manually
  • Grinding or clicking noises when operating the window crank
  • Window falling down inside the door panel
  • Loose or wobbly window movement
  • Broken or worn gear teeth causing window malfunction

Installation Notes and Tips

  • Verify the mounting position as front left door before installation
  • Ensure the vehicle uses manual window operation, as this part does not include a motor
  • Mounting hardware is not included; retain original hardware or purchase separately
  • Carefully align the hardened steel gear with the window track for smooth operation
  • Test window movement before reassembling the door panel

Quality Assurance and Warranty

The ACI 84078 window regulator is a new replacement part that meets or exceeds OEM quality standards. Manufactured with durable materials such as hardened steel gears, it is designed for long-lasting performance. While specific warranty details are not provided, ACI products typically adhere to industry quality controls to ensure reliability and fitment accuracy.

BrandACI
Part Number84078
PositionWindow Regulator, Front Left
DescriptionManual Window Regulator
Meets / Exceeds OEM?Yes
Motor IncludedNot Included
Mounting Hardware IncludedNot Included
Mounting PositionFront Left
New or RemanNew
Thread DirectionHardened steel gear
TypeWindow Regulator
Window Operation TypeManual

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

3716623665501975213484078D84078

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