ACI
Window Regulator

ACI 84084 Window Regulator - Front Left

Brand ACI 84084
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 Chevrolet and GMC · 25 vehicles

OE direct replacement. Meets or exceeds OEM standards for dependable fit and function.

Manual operation. Built for smooth hand-crank window control.

Hardened steel gear. Adds strength for consistent, long-term performance.

Cross-references ACI 84084, Pioneer Automotive Industries 752140 and 3887981 for the same application. See all 5.

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Manual Window Regulator for Classic GM Doors

ACI 84084 is a new manual window regulator for the front left door on select classic Chevrolet and GMC applications. It uses a hardened steel gear and meets or exceeds OEM requirements for direct replacement service.

Built for manual window operation, this ACI Window Regulator line part is made for dependable glass movement in older GM door assemblies. It is a practical replacement for worn or binding regulators on Chevrolet Blazer, Chevrolet C10 Suburban, Chevrolet C20 Suburban, Chevrolet K10 Suburban, Chevrolet K20 Suburban, and GMC Jimmy models.

Key Features

  • Manual window regulator for front left installation
  • Hardened steel gear for durable gear engagement
  • New replacement part
  • Meets or exceeds OEM specifications
  • Motor not included
  • Mounting hardware not included

Fitment Details

  • Fits 1969-1971 Chevrolet Blazer, front left.
  • Fits 1967-1971 Chevrolet C10 Suburban, front left.
  • Fits 1967-1971 Chevrolet C20 Suburban, front left.
  • Fits 1967-1971 Chevrolet K10 Suburban, front left.
  • Fits 1967-1971 Chevrolet K20 Suburban, front left.
  • Fits 1970-1971 GMC Jimmy, front left.

What This Part Helps Fix

  • Slow or difficult manual window movement
  • Window glass that will not raise or lower smoothly
  • Stripped or worn regulator gears
  • Binding or uneven window travel in the door
  • Failure of the original front left regulator assembly

Installation Notes

Verify door-side fitment before installation. This regulator is for manual window operation and does not include a motor. Transfer or source the required mounting hardware as needed for the vehicle application. For best results, inspect the window tracks, rollers, and glass channel before installing the new regulator.

Quality Assurance

ACI 84084 is a new part built to meet or exceed OEM specifications for replacement use. This part cross-references Pioneer Automotive Industries 752140 for the same application.

This part fits 25 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1971ChevroletBlazerFront LeftFits manual operation on left and right sides.; Window Regulator
1971ChevroletC10 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1971ChevroletC20 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1971ChevroletK10 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1971ChevroletK20 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1971GMCJimmyFront LeftFits manual operation on left and right sides.; Window Regulator
1970ChevroletBlazerFront LeftFits manual operation on left and right sides.; Window Regulator
1970ChevroletC10 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1970ChevroletC20 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1970ChevroletK10 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1970ChevroletK20 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1970GMCJimmyFront LeftFits manual operation on left and right sides.; Window Regulator
1969ChevroletBlazerFront LeftFits manual operation on left and right sides.; Window Regulator
1969ChevroletC10 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1969ChevroletC20 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1969ChevroletK10 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1969ChevroletK20 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1968ChevroletC10 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1968ChevroletC20 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1968ChevroletK10 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1968ChevroletK20 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1967ChevroletC10 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1967ChevroletC20 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1967ChevroletK10 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
1967ChevroletK20 SuburbanFront LeftFits manual operation on left and right sides.; Window Regulator
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACI — 84084Pioneer Automotive Industries — 75214038879816654780K84084