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Dorman 579-051 Fuel Tank Sending Unit Gasket
| Brand | Dorman 579-051 |
|---|---|
| Gasket or Seal Included | Yes |
| Inside Diameter | 1 |
| Installation Hardware Included | Yes |
| Lock Ring Diameter (In) | 2.373 in |
| Material | Rubber |
| Outside Diameter | 2.375 |
| Package Contents | 1 Fuel Pump Lock Ring |
| Fits | INFINITI and Nissan · 121 vehicles |
OE-style replacement. Matches the fit and function of the original gasket.
Rubber construction. Provides durable sealing performance.
Fuel tank gasket. Seals the sending unit opening securely.
Cross-references Spectra Premium LO51 and 1734201A00 for the same application. See all 2.
Fuel Tank Sending Unit Gasket for Nissan and INFINITI
Dorman 579-051 is a fuel tank sending unit gasket built to match the original fit and function on specified vehicles. The rubber construction is made for dependable sealing at the fuel tank opening, helping maintain a secure connection between the sending unit and tank.
Compatible With Nissan Maxima, Sentra, Pathfinder, 300ZX, 240SX, Pickup, Pulsar NX, and Pulsar, plus INFINITI Q45, FX45, FX35, G35, I35, M45, QX4, G20, I30, J30, and M30 applications.
Key Features
- Rubber gasket material for sealing performance
- Matches original fit and function for specified applications
- Inside diameter: 1 in.
- Outside diameter: 2.375 in.
- Lock ring diameter: 2.373 in.
- Gasket or seal included
- Installation hardware included
Detailed Description
This Dorman fuel tank sending unit gasket is designed for vehicles that use a sealed fuel tank sender interface. It supports a proper seal at the tank opening, which is important when servicing the fuel level sending unit or fuel pump access area. Part number 579-051 is a direct-fit style replacement for a range of Nissan and INFINITI models, including Nissan Maxima, Sentra, Pathfinder, and 300ZX, as well as INFINITI Q45, G35, and FX45 applications.
This part cross-references Spectra Premium LO51 for the same application.
What This Part Helps Address
- Fuel odor around the tank sender area
- Seepage at the fuel tank sending unit flange
- Seal wear from age, heat, and fuel exposure
- Loss of sealing integrity after sender or pump service
- Fitment issues when replacing a damaged tank gasket
Installation Notes and Tips
- Clean the tank flange and sender mating surface before installation.
- Inspect the lock ring and sealing surfaces for corrosion or distortion.
- Verify the lock ring diameter and gasket dimensions against the original part before assembly.
- Follow the vehicle service procedure for fuel system access and reassembly.
Quality Assurance
Dorman engineers this gasket to match the original part’s fit and function on listed vehicles. The rubber construction and application-specific dimensions support reliable sealing for fuel tank sending unit service on Nissan and INFINITI platforms.
| Year | Make | Model | Drive Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2005 | INFINITI | FX45 | — | — | — | — | N/A | — |
| 2005 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 2004 | INFINITI | FX35 | — | — | — | — | N/A | — |
| 2004 | INFINITI | FX45 | — | — | — | — | N/A | — |
| 2004 | INFINITI | G35 | RWD | Automatic | — | — | N/A | — |
| 2004 | INFINITI | I35 | — | — | — | — | N/A | — |
| 2004 | INFINITI | M45 | — | — | — | — | N/A | — |
| 2004 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 2003 | INFINITI | FX35 | — | — | — | — | N/A | — |
| 2003 | INFINITI | FX45 | — | — | — | — | N/A | — |
| 2003 | INFINITI | G35 | — | — | — | — | N/A | — |
| 2003 | INFINITI | I35 | — | — | — | — | N/A | — |
| 2003 | INFINITI | M45 | — | — | — | — | N/A | — |
| 2003 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 2003 | INFINITI | QX4 | — | — | — | — | N/A | — |
| 2002 | INFINITI | G20 | — | — | — | — | N/A | — |
| 2002 | INFINITI | I35 | — | — | — | — | N/A | — |
| 2002 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 2002 | INFINITI | QX4 | — | — | — | — | N/A | — |
| 2002 | Nissan | Maxima | — | — | — | — | N/A | — |
| 2001 | INFINITI | G20 | — | — | — | — | N/A | — |
| 2001 | INFINITI | I30 | — | — | — | — | N/A | — |
| 2001 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 2001 | INFINITI | QX4 | — | — | — | — | N/A | — |
| 2001 | Nissan | Maxima | — | — | — | — | N/A | — |
| 2001 | Nissan | Sentra | — | — | 1.8L | L4 | N/A | — |
| 2000 | INFINITI | G20 | — | — | — | — | N/A | — |
| 2000 | INFINITI | I30 | — | — | — | — | N/A | — |
| 2000 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 2000 | INFINITI | QX4 | — | — | — | — | N/A | — |
| 2000 | Nissan | Maxima | — | — | — | — | N/A | — |
| 2000 | Nissan | Sentra | — | — | 1.8L | L4 | N/A | — |
| 1999 | INFINITI | G20 | — | — | — | — | N/A | — |
| 1999 | INFINITI | I30 | — | — | — | — | N/A | — |
| 1999 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 1999 | INFINITI | QX4 | — | — | — | — | N/A | — |
| 1999 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1999 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1998 | INFINITI | I30 | — | — | — | — | N/A | — |
| 1998 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 1998 | INFINITI | QX4 | — | — | — | — | N/A | — |
| 1998 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1998 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1997 | INFINITI | I30 | — | — | — | — | N/A | — |
| 1997 | INFINITI | J30 | — | — | — | — | N/A | — |
| 1997 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 1997 | INFINITI | QX4 | — | — | — | — | N/A | — |
| 1997 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1997 | Nissan | Pickup | — | — | — | — | N/A | — |
| 1997 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1996 | INFINITI | G20 | — | — | — | — | N/A | — |
| 1996 | INFINITI | I30 | — | — | — | — | N/A | — |
| 1996 | INFINITI | J30 | — | — | — | — | N/A | — |
| 1996 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 1996 | Nissan | 300ZX | — | — | — | — | N/A | — |
| 1996 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1996 | Nissan | Pickup | — | — | — | — | N/A | — |
| 1996 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1995 | INFINITI | G20 | — | — | — | — | N/A | — |
| 1995 | INFINITI | J30 | — | — | — | — | N/A | — |
| 1995 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 1995 | Nissan | 300ZX | — | — | — | — | N/A | — |
| 1995 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1995 | Nissan | Pathfinder | — | — | — | — | N/A | — |
| 1995 | Nissan | Pickup | — | — | — | — | N/A | — |
| 1995 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1994 | INFINITI | G20 | — | — | — | — | N/A | — |
| 1994 | INFINITI | J30 | — | — | — | — | N/A | — |
| 1994 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 1994 | Nissan | 300ZX | — | — | — | — | N/A | — |
| 1994 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1994 | Nissan | Pathfinder | — | — | — | — | N/A | — |
| 1994 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1993 | INFINITI | G20 | — | — | — | — | N/A | — |
| 1993 | INFINITI | J30 | — | — | — | — | N/A | — |
| 1993 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 1993 | Nissan | 240SX | — | — | — | — | N/A | — |
| 1993 | Nissan | 300ZX | — | — | — | — | N/A | — |
| 1993 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1993 | Nissan | Pathfinder | — | — | — | — | N/A | — |
| 1993 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1992 | INFINITI | G20 | — | — | — | — | N/A | — |
| 1992 | INFINITI | M30 | — | — | — | — | N/A | — |
| 1992 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 1992 | Nissan | 240SX | — | — | — | — | N/A | — |
| 1992 | Nissan | 300ZX | — | — | — | — | N/A | — |
| 1992 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1992 | Nissan | Pathfinder | — | — | — | — | N/A | — |
| 1992 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1991 | INFINITI | G20 | — | — | — | — | N/A | — |
| 1991 | INFINITI | M30 | — | — | — | — | N/A | — |
| 1991 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 1991 | Nissan | 240SX | — | — | — | — | N/A | — |
| 1991 | Nissan | 300ZX | — | — | — | — | N/A | — |
| 1991 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1991 | Nissan | Pathfinder | — | — | — | — | N/A | — |
| 1991 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1990 | INFINITI | M30 | — | — | — | — | N/A | — |
| 1990 | INFINITI | Q45 | — | — | — | — | N/A | — |
| 1990 | Nissan | 240SX | — | — | — | — | N/A | — |
| 1990 | Nissan | 300ZX | — | — | — | — | N/A | — |
| 1990 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1990 | Nissan | Pathfinder | — | — | — | — | N/A | — |
| 1990 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1989 | Nissan | 240SX | — | — | — | — | N/A | — |
| 1989 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1989 | Nissan | Pathfinder | — | — | — | — | N/A | — |
| 1989 | Nissan | Pulsar NX | — | — | — | — | N/A | — |
| 1989 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1988 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1988 | Nissan | Pathfinder | — | — | — | — | N/A | — |
| 1988 | Nissan | Pulsar NX | — | — | — | — | N/A | — |
| 1988 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1987 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1987 | Nissan | Pathfinder | — | — | — | — | N/A | — |
| 1987 | Nissan | Pulsar NX | — | — | — | — | N/A | — |
| 1987 | Nissan | Sentra | — | — | — | — | N/A | — |
| 1986 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1986 | Nissan | Pickup | — | — | — | — | N/A | — |
| 1985 | Nissan | Maxima | — | — | — | — | N/A | — |
| 1983 | Nissan | Pulsar | — | — | — | — | N/A | — |
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