ACI 389200 Window Motor and Regulator Assembly - Front Left

ACI 389200 Window Motor Assembly

ACI 389200 is a new power window motor and regulator assembly for the front left position on select Infiniti G35 models. Built with a hardened steel gear and engineered to meet or exceed OEM requirements, it is a direct-fit replacement for restoring smooth window operation on the driver side.

This ACI Window Assembly line focuses on OE-style replacement parts for electric window systems, and this unit is built as a motor and regulator assembly for straightforward service on the compatible application.

• Fits 2003-2007 INFINITI G35, Front Left
• New power window motor and regulator assembly
• Hardened steel gear for durable gear engagement
• Express up/down function supported
• Meets or exceeds OEM specifications
• Part number: 389200

Detailed Product Overview

Use ACI 389200 when replacing a worn or failed front left window motor assembly on a 2003-2007 INFINITI G35. This motor and regulator assembly is designed for the power window system and is built to restore controlled glass movement in the driver-side door. The hardened steel gear helps support consistent operation under repeated use, while the new construction provides a clean replacement for aging original components. Cross-reference part numbers include 80721AM800 and G389200 for the same application.

Common Problems This Part Can Address

• Window glass that will not move up or down
• Slow, intermittent, or uneven window travel
• Grinding or slipping from a worn motor gear
• Loss of express up/down function
• Failure of the front left power window assembly

Installation Notes and Tips

Verify the vehicle year, make, model, and front left position before installation. Confirm electrical connector condition, regulator alignment, and door panel access during service. After installation, test full window travel and express up/down operation to ensure the assembly is functioning correctly on the INFINITI G35.

Quality Assurance

This ACI window motor assembly is new and meets or exceeds OEM specifications for the listed application. It is built as a replacement part for the 2003-2007 INFINITI G35 front left power window system.