ACI 81904 Window Regulator - Front Left

Reliable Manual Window Regulator for Buick, Oldsmobile, Pontiac

The ACI 81904 manual window regulator is designed to restore smooth window operation for select front left doors. Engineered with a hardened steel gear, this new window regulator meets or exceeds OEM standards, ensuring dependable performance for your Buick Achieva, Oldsmobile Skylark, or Pontiac Grand Am.

• Brand: ACI
• Brand Line: Window Regulator
• Part Number: 81904
• Gear Material: Hardened steel gear for durability
• Mounting Position: Front left door
• Window Operation Type: Manual
• Mounting Hardware: Not included
• Motor: Not included
• Condition: New, meets or exceeds OEM specifications

About the ACI Window Regulator Product Line

The ACI Window Regulator line focuses on providing reliable window regulators designed to match or surpass original equipment quality. This product line includes manual and power window regulators tailored for specific vehicle applications. The 81904 manual window regulator is part of this line, offering a durable solution for front left door window operation in select GM models.

Product Details and Compatibility

This manual window regulator features a hardened steel gear that enhances strength and longevity, reducing the risk of premature wear. It is specifically designed for the front left door of Buick Achieva, Oldsmobile Skylark, and Pontiac Grand Am models. The part number 81904 identifies this exact fitment, ensuring compatibility and ease of replacement. Note that this regulator does not include mounting hardware or a motor, as it is intended for manual window operation.

Common Issues Addressed by This Window Regulator

• Window glass that fails to move smoothly or gets stuck
• Grinding or clicking noises when operating the manual window crank
• Window glass that falls into the door or does not stay in position
• Worn or damaged window regulator gears causing poor window function
• Replacement of a broken or bent regulator arm in front left door

Installation Notes and Tips

• Ensure the vehicle is compatible: Buick Achieva, Oldsmobile Skylark, Pontiac Grand Am front left door
• Remove the door panel carefully to avoid damage to clips and wiring
• Verify the old regulator matches the ACI 81904 part before installation
• Use appropriate tools to secure the regulator; mounting hardware is not included
• Test window operation manually before reassembling the door panel

Quality Assurance and Warranty

The ACI 81904 window regulator is a new replacement part that meets or exceeds OEM quality standards. Manufactured with hardened steel gears, it is built for durability and reliable performance. While mounting hardware and motor are not included, the part is engineered to provide a precise fit and function. Warranty details should be confirmed with the distributor or retailer at the time of purchase.