GMB 550-1120 Electric Fuel Pump

GMB 550-1120 Electric Fuel Pump

The GMB 550-1120 is an external electric fuel pump built to meet or exceed OEM specifications for dependable fuel delivery. It is a new, OEM standard replacement for select Nissan D21 applications, including USA production models.

Key Features

• External electric fuel pump design
• OEM standard item grade for direct replacement use
• New product condition
• No gasket required
• Built to meet or exceed OEM specifications

Detailed Description

This GMB fuel pump is engineered for 1988-1994 Nissan D21 trucks and also covers the 1992 Nissan D21 built for USA production through 01/1992, with the first digit of the VIN beginning with 1. The GMB 550-1120 is intended for drivers replacing a worn or failing external pump on a Nissan D21 fuel system and looking for an OEM-standard part number match. This part cross-references Airtex Fuel Pumps E8032 and Carter P72128 for the same application.

Compatible With 1988-1994 Nissan D21, N/A, and 1992 Nissan D21, N/A, USA Production; 1st Digit of VIN is 1; To 01/1992. Search terms such as Nissan D21 electric fuel pump, external fuel pump for Nissan D21, and GMB 550-1120 fuel pump replacement align with this application.

Common Issues This Part May Address

• Hard starting caused by weak fuel delivery
• Engine stalling from inconsistent pump output
• Fuel starvation under load
• No-start conditions related to pump failure
• Loss of fuel pressure in an external pump system

Installation Notes and Tips

Verify the vehicle is a USA production Nissan D21 before ordering, and confirm the VIN detail noted in the fitment data for the 1992 application. Because this pump is external and no gasket is required, inspect the surrounding fuel lines, electrical connections, and mounting points before installation. Always relieve fuel system pressure and follow factory service procedures when replacing a fuel pump on a Nissan D21.

Quality Assurance

GMB manufactures this pump to OEM-standard requirements and states that it meets or exceeds OEM specifications. The part is new and built for direct replacement use in the listed Nissan D21 applications.