ACI
Window Regulator

ACI 84078 Window Regulator - Front Left

Brand ACI 84078
Position Front Left
Description Manual Window Regulator
Meets / Exceeds OEM? Yes
Motor Included Not Included
Mounting Hardware Included Not Included
New or Reman New
Thread Direction Hardened steel gear
Type Window Regulator
Window Operation Type Manual
Product line Window Regulator
Fits GMC and Chevrolet

OE direct replacement. Meets OEM standards for a straightforward replacement.

Manual operation. Built for manual window control without a motor.

Hardened steel gear. Provides durable, reliable gear engagement.

Cross-references ACI 84078, 752134 and 3716623 for the same application. See all 5.

$109.32Free shipping
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Order total $109.32
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Free returns within 60 days if it doesn't fit when fitment is verified.

Manual Window Regulator for Front Left Service

ACI 84078 is a new manual window regulator for the front left door. It uses a hardened steel gear and is built to meet or exceed OEM requirements for dependable window movement in manual crank applications.

For drivers searching for a manual window regulator for Honda Civic or similar front left door repair needs, ACI 84078 provides a direct replacement solution for restoring smooth glass travel and consistent operation.

Key Features

  • Manual window regulator for front left mounting position
  • Hardened steel gear for durable gear engagement
  • New replacement part
  • Motor not included
  • Mounting hardware not included
  • Meets or exceeds OEM requirements
  • ACI window regulator part number 84078

Product Details

ACI Window Regulator 84078 is a manual door regulator designed for vehicles equipped with hand-crank window operation. The hardened steel gear supports consistent mechanical movement, while the front left configuration makes it a focused replacement for the driver-side or left-front door assembly, depending on vehicle layout. This part cross-references 752134 and D84078 for the same application.

Use ACI 84078 when replacing a worn or damaged manual regulator in a front left door. It is a practical choice for Honda Civic window regulator searches, manual door glass repair, and front left window regulator replacement needs where OEM-level fit and function are required.

Common Problems This Part Can Solve

  • Window glass will not raise or lower smoothly
  • Crank handle turns with little or no glass movement
  • Grinding or slipping from worn regulator gears
  • Binding, sticking, or uneven window travel
  • Failure of the original manual regulator mechanism

Installation Notes and Tips

Verify the front left door application before ordering. Compare the original regulator, mounting points, and manual operation style to confirm match-up. Transfer any reusable components from the original assembly as needed, and inspect the window tracks and guides before installation to help ensure smooth operation after replacement.

Quality Assurance

ACI 84078 is a new part built to meet or exceed OEM specifications for manual window regulator replacement. The hardened steel gear supports long-term mechanical durability in regular door-window use.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACI — 8407875213437166236655019D84078