Dorman 742-503 Power Window Motor - Front Left, Front Right, Rear Left or Rear Right

Window Motor Replacement for Nissan and Infiniti

Dorman 742-503 is a power window lift motor built to match the fit and operating characteristics of the original motor in select Nissan and INFINITI vehicles. It is a plug-in replacement with a wiring harness included, making it a direct solution for restoring window movement on the front left, rear left, front right, or rear right door positions listed below.

• Plug-in design for straightforward electrical connection
• Wiring harness included in the package
• Window lift gear included
• Regulator not included
• Mounting hardware not included
• Precision-engineered to match original motor fit and performance

Detailed Product Information

This Dorman window motor, part number 742-503, is made for specific Nissan and INFINITI applications where the original power window motor has worn out or stopped working correctly. It is designed as an OE-style replacement for vehicles including Nissan Frontier, Xterra, Altima, Maxima, Sentra, Pathfinder, Pickup, Quest, 200SX, D21, Pulsar NX, and INFINITI models such as G20, I30, I35, J30, and QX4. This part cross-references Cardone Reman 42-3019 for the same application.

Compatible With: Fits 1998-2004 Nissan Frontier, front left; Fits 1998-2004 Nissan Frontier, rear left; Fits 2000-2004 Nissan Xterra, front left; Fits 1995-2003 Nissan Maxima, rear left; Fits 2000-2002 INFINITI G20, front left; Fits 1996-2001 INFINITI I30, rear left; Fits 1998-2001 Nissan Altima, front left; Fits 1998-2001 Nissan Altima, rear left; Fits 1997-2000 INFINITI QX4, front left; Fits 1997-2000 INFINITI QX4, rear left; Fits 1996-2000 Nissan Pathfinder, front left; Fits 1996-2000 Nissan Pathfinder, rear left; Fits 1996-1999 INFINITI I30, front left; Fits 1995-1999 Nissan Maxima, front left; Fits 1995-1999 Nissan Sentra, front left; Fits 1995-1999 Nissan Sentra, rear left; Fits 1993-1998 Mercury Villager, front right; Fits 1995-1998 Nissan 200SX, front left; Fits 1993-1998 Nissan Quest, front right; Fits 1993-1997 INFINITI J30, front right; Fits 1993-1997 Nissan Altima, front right; Fits 1993-1997 Nissan Altima, rear right; Fits 1995-1997 Nissan Pickup, front right; Fits 1997 Nissan Pickup, front right, D21 Hardbody; Fits 1991-1996 INFINITI G20, front right; Fits 1991-1996 INFINITI G20, rear right; Fits 1993-1995 INFINITI J30, rear right; Fits 1987-1995 Nissan Pathfinder, front right; Fits 1987-1995 Nissan Pathfinder, rear right; Fits 1989-1994 Nissan D21, front right; Fits 1990 Nissan Pulsar NX, front right; Fits 2002-2004 INFINITI I35, rear left.

Common Problems This Part Can Address

• Window glass will not move up or down
• Slow or intermittent power window operation
• Motor noise without window movement
• Window stops partway during operation
• Failed original lift motor in the listed door position

Installation Notes and Tips

Verify the vehicle year, make, model, and door position before ordering. This unit is a plug-in motor and includes a wiring harness, but it does not include the regulator or mounting hardware. Confirm the existing regulator and gear condition during service, since worn window tracks or damaged regulator components can affect operation after installation.

Quality Assurance

Dorman engineers this replacement motor to match the original fit and performance for the specified applications. Part number 742-503 is built for direct replacement use in the listed Nissan and INFINITI vehicles, with application-specific fitment support for accurate ordering.