ACI 82212 Power Window Motor and Regulator Assembly - Rear Left

Rear Left Window Motor Assembly for GM Trucks and SUVs

ACI 82212 is a new power window motor and regulator assembly for the rear left position. It uses a hardened steel gear and meets or exceeds OEM requirements for a direct-fit replacement on select Chevrolet, GMC, and Cadillac applications.

Key Features

• Power window motor and regulator assembly for the rear left door
• Hardened steel gear for durable gear engagement
• New construction with OEM-level fit and function
• Meets or exceeds OEM specifications
• Compatible with select Chevrolet Silverado, GMC Sierra, and Cadillac Escalade models

Product Details

Built under ACI’s Window Assembly line, this part number 82212 is a window motor assembly engineered for rear left window service on GM full-size trucks and SUVs. It is a direct replacement for vehicles such as the 1999-2006 Chevrolet Silverado 1500, 2001-2006 Chevrolet Silverado 2500 HD, 1999-2006 GMC Sierra 1500, and 2003-2006 Cadillac Escalade ESV. The motor and regulator style supports power window operation where the original assembly has failed or become slow, noisy, or inoperative. This part cross-references Continental WL41578 for the same application.

Common Repair Symptoms

• Rear left window will not move up or down
• Window moves slowly, intermittently, or stops partway
• Grinding or clicking from the door during window operation
• Failed motor or worn regulator gear on the rear left door
• Restoring power window function on Silverado, Sierra, Suburban, Yukon XL, Avalanche, and Escalade models

Installation Notes

Mounting hardware is not included. Verify connector style, door configuration, and rear left application before installation. Transfer any required components from the original assembly if needed, and inspect the window tracks, guides, and switches before final testing. Fits 1999-2006 Chevrolet Silverado 1500, rear left; Fits 2001-2006 Chevrolet Silverado 2500 HD, rear left; Fits 2000-2006 GMC Yukon XL 1500, rear left; Fits 2003-2006 Cadillac Escalade ESV, rear left.

Quality Assurance

ACI 82212 is a new replacement assembly built to meet or exceed OEM specifications. The hardened steel gear supports consistent operation in demanding door-window service, and the part is backed by ACI’s Window Assembly product line standards.