HomeBody > DoorsTechPro GM1550105 Window Regulator - Rear Left
Part #: GM1550105

TechPro GM1550105 Window Regulator - Rear Left

Rear Left
21 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Oldsmobile, and Pontiac, Achieva, Grand Am, and Skylark
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Rear Left Power Window Regulator for GM1550105

Restore smooth rear window operation with this TechPro power window regulator, part number GM1550105. It is built for vehicles with power windows and is supplied as the regulator only, with factory-style precision for a clean, direct-fit repair.

Fits 1992-1998 Buick Skylark, rear left. Fits 1992-1998 Oldsmobile Achieva, rear left. Fits 1992-1998 Pontiac Grand Am, rear left.

Key Features

  • Designed for power window applications
  • Regulator only for targeted replacement
  • Factory-style fit and alignment
  • High-quality materials for durability and lasting performance
  • Helps restore the vehicle’s original appearance with a seamless look

Detailed Description

TechPro GM1550105 is a rear left window regulator engineered for 1992-1998 Buick Skylark, Oldsmobile Achieva, and Pontiac Grand Am models equipped with power windows. The design follows factory-style precision to support proper glass movement and consistent operation in the rear left door. This part cross-references OE number 16621661 for the same application. If you are replacing a worn or damaged regulator on a Buick Skylark, Oldsmobile Achieva, or Pontiac Grand Am, GM1550105 provides a direct replacement path focused on fit and function.

What It Helps Fix

  • Window glass that will not move up or down properly
  • Slow, uneven, or noisy rear window operation
  • Binding or slipping regulator mechanisms
  • Loss of power window function at the rear left door
  • Visible wear that affects the door’s original appearance

Installation Notes and Tips

Verify the vehicle is equipped with power windows and confirm rear left placement before installation. Compare the original regulator and OE reference 16621661 to ensure correct application. Because this is the regulator only, reuse or replace related components as needed based on the condition of the existing assembly. Professional installation is recommended for proper alignment and smooth window travel.

Quality Assurance

Built by TechPro with high-quality materials and factory-style precision for dependable fitment and performance. GM1550105 is intended for direct replacement use on the listed Buick, Oldsmobile, and Pontiac applications.

This part fits 21 vehicles. Search below:

YearMakeModelPositionNotes
1998BuickSkylarkRear LeftPower; Regulator Only; OEM: 16621661
1998OldsmobileAchievaRear LeftPower; Regulator Only; OEM: 16621661
1998PontiacGrand AmRear LeftPower; Regulator Only; OEM: 16621661
1997BuickSkylarkRear LeftPower; Regulator Only; OEM: 16621661
1997OldsmobileAchievaRear LeftPower; Regulator Only; OEM: 16621661
1997PontiacGrand AmRear LeftPower; Regulator Only; OEM: 16621661
1996BuickSkylarkRear LeftPower; Regulator Only; OEM: 16621661
1996OldsmobileAchievaRear LeftPower; Regulator Only; OEM: 16621661
1996PontiacGrand AmRear LeftPower; Regulator Only; OEM: 16621661
1995BuickSkylarkRear LeftPower; Regulator Only; OEM: 16621661
1995OldsmobileAchievaRear LeftPower; Regulator Only; OEM: 16621661
1995PontiacGrand AmRear LeftPower; Regulator Only; OEM: 16621661
1994BuickSkylarkRear LeftPower; Regulator Only; OEM: 16621661
1994OldsmobileAchievaRear LeftPower; Regulator Only; OEM: 16621661
1994PontiacGrand AmRear LeftPower; Regulator Only; OEM: 16621661
1993BuickSkylarkRear LeftPower; Regulator Only; OEM: 16621661
1993OldsmobileAchievaRear LeftPower; Regulator Only; OEM: 16621661
1993PontiacGrand AmRear LeftPower; Regulator Only; OEM: 16621661
1992BuickSkylarkRear LeftPower; Regulator Only; OEM: 16621661
1992OldsmobileAchievaRear LeftPower; Regulator Only; OEM: 16621661
1992PontiacGrand AmRear LeftPower; Regulator Only; OEM: 16621661

* 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:

16621661

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