/live/media/G6/G6_5501031_Ang.jpg)
GMB 550-1031 Electric Fuel Pump
| Brand | GMB 550-1031 |
|---|---|
| Gaskets Included | No gasket required |
| Item Grade | Oem standard |
| Product Condition | New |
| Pump Location | External |
| Fits | Isuzu and Nissan · 24 vehicles |
OEM standard. Manufactured to meet or exceed OEM specifications.
External fuel pump. Built as an external electric fuel pump for fuel delivery systems.
New condition. Supplied as a new replacement part.
Cross-references Airtex Fuel Pumps E8312, Autobest F4323 and Carter P70304 for the same application. See all 16.
GMB 550-1031 Electric Fuel Pump Overview
The GMB 550-1031 is an external electric fuel pump built to meet or exceed OEM specifications for steady fuel delivery. It is a new, OEM standard replacement for select Nissan and Isuzu applications, including 1980-1983 Nissan 200SX, 1979-1983 Nissan 280ZX, and 1985-1987 Isuzu Impulse with externally mounted main supply configurations.
Key Features
- External electric fuel pump design
- OEM standard item grade
- New replacement part
- No gasket required
- Built to meet or exceed OEM specifications
- Direct application coverage for select Nissan and Isuzu fuel systems
Detailed Product Description
GMB part number 550-1031 is an external electric fuel pump for air and fuel delivery systems. It is engineered for vehicles that require an externally mounted main supply pump, with confirmed coverage for 1980-1983 Nissan 200SX, 1979-1983 Nissan 280ZX, 1981-1984 Nissan Maxima, 1977-1981 Nissan 810, 1986 Nissan 720, and 1983-1987 Isuzu Impulse. This part number 550-1031 is also cross-referenced with Airtex Fuel Pumps E8312 for the same application.
Common Fuel System Issues Addressed
- Hard starting caused by weak fuel delivery
- Engine hesitation from inconsistent fuel pressure
- Fuel starvation under load
- Poor drivability related to a failing external pump
- No-start conditions tied to pump wear or electrical failure
Installation Notes and Tips
Verify the vehicle’s fuel system layout before installation, since this pump is specified for external mounting. Confirm connector, line routing, and application details against the original unit before replacement. Because no gasket is required, there is no separate gasket to install with this pump.
Quality Assurance
GMB manufactures this fuel pump to OEM-standard expectations and states that it meets or exceeds OEM specifications. The part is supplied new for replacement use in the listed Nissan and Isuzu applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1987 | Isuzu | Impulse | 2.0L | L4 | N/A | Externally Mounted Main Supply |
| 1986 | Isuzu | Impulse | 2.0L | L4 | N/A | Externally Mounted Main Supply |
| 1986 | Nissan | 720 | 2.4L | L4 | N/A | — |
| 1985 | Isuzu | Impulse | 2.0L | L4 | N/A | Externally Mounted Main Supply |
| 1984 | Isuzu | Impulse | 1.9L | L4 | N/A | — |
| 1984 | Nissan | Maxima | 2.4L | L6 | N/A | — |
| 1983 | Isuzu | Impulse | 1.9L | L4 | N/A | — |
| 1983 | Nissan | 200SX | 2.2L | L4 | N/A | — |
| 1983 | Nissan | 280ZX | 2.8L | L6 | N/A | — |
| 1983 | Nissan | Maxima | 2.4L | L6 | N/A | — |
| 1982 | Nissan | 200SX | 2.2L | L4 | N/A | — |
| 1982 | Nissan | 280ZX | 2.8L | L6 | N/A | — |
| 1982 | Nissan | Maxima | 2.4L | L6 | N/A | — |
| 1981 | Nissan | 200SX | 2.0L | L4 | N/A | — |
| 1981 | Nissan | 280ZX | 2.8L | L6 | N/A | — |
| 1981 | Nissan | 810 | 2.4L | L6 | N/A | — |
| 1981 | Nissan | Maxima | 2.4L | L6 | N/A | — |
| 1980 | Nissan | 200SX | 2.0L | L4 | N/A | — |
| 1980 | Nissan | 280ZX | 2.8L | L6 | N/A | — |
| 1980 | Nissan | 810 | 2.4L | L6 | N/A | — |
| 1979 | Nissan | 280ZX | 2.8L | L6 | N/A | — |
| 1979 | Nissan | 810 | 2.4L | L6 | N/A | — |
| 1978 | Nissan | 810 | 2.4L | L6 | N/A | — |
| 1977 | Nissan | 810 | 2.4L | L6 | N/A | — |
| No rows match your filter. | ||||||