WAI WPR0339LB Window Regulator - Rear Left

Rear Left Window Regulator for Infiniti and Nissan

Restore rear door window operation with the WAI WPR0339LB window regulator. This power window regulator is built for the rear left position and matches the listed Infiniti and Nissan applications for a direct-fit repair. It is a regulator only solution for replacing a worn, slow, or inoperative window mechanism.

Key Features

• Brand: WAI
• Part number: WPR0339LB
• Window regulator for the rear left door
• Power window regulator, regulator only
• Fits 2002-2004 INFINITI I35, rear left
• Fits 1999-2003 Nissan Maxima, rear left
• Fits 2000-2001 INFINITI I30, rear left

Product Details

The WAI WPR0339LB is a rear left power window regulator made for specific Infiniti and Nissan sedans. Use it when the original regulator no longer moves the glass correctly, binds during travel, or fails to respond to the power window switch. If you are searching for a rear left window regulator for 1999-2003 Nissan Maxima or a rear left power window regulator for 2002-2004 INFINITI I35, this part number provides the listed application match.

Common Repair Symptoms

• Rear window will not raise or lower
• Window moves unevenly or stops partway
• Grinding or binding from the door panel
• Window drops into the door
• Power switch operates, but the glass does not move correctly

Installation Notes

Verify the rear left door application before installation and compare the original regulator to the replacement part. This part is listed as regulator only, so transfer any required components from the vehicle as needed. Confirm glass alignment and window travel after installation to ensure smooth operation.

Quality Assurance

WAI supplies automotive electrical and window system components for repair applications. Part number WPR0339LB is cataloged for the specified Infiniti I30, Infiniti I35, and Nissan Maxima fitments to support accurate replacement selection.