Dorman 579-051 Fuel Tank Sending Unit Gasket

Name: Dorman 579-051 Fuel Tank Sending Unit Gasket
Brand: Dorman
SKU: BKKY-579-051
Price: 28.80 USD
Availability: InStock

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⚙️ 121 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: INFINITI and Nissan, FX45, Q45, FX35, G35, I35, M45, QX4, G20, Maxima, I30, Sentra, J30, Pickup, 300ZX, Pathfinder, 240SX, M30, Axxess, Pulsar NX, Stanza, Van, and Pulsar

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Reliable Fuel Tank Sending Unit Gasket for Nissan and Infiniti Vehicles

The Dorman 579-051 fuel tank sending unit gasket is designed to provide a secure and durable seal for fuel tank sending units on select Nissan and Infiniti models. Crafted from high-quality rubber, this gasket ensures a tight fit to prevent fuel leaks and maintain proper fuel system function.

Material: Durable rubber construction for effective sealing
Inside Diameter: 1 inch for precise fitment
Outside Diameter: 2.375 inches to match OEM specifications
Includes gasket and installation hardware for convenience
Lock Ring Diameter: 2.373 inches for secure mounting
Package contains 1 fuel pump lock ring

Product Details and Specifications

The Dorman 579-051 gasket is engineered to meet the exact dimensions required for proper installation on fuel tank sending units. Its rubber material provides flexibility and resistance to fuel and environmental factors, ensuring a long-lasting seal. The included installation hardware simplifies replacement, reducing installation time and effort. With an inside diameter of 1 inch and an outside diameter of 2.375 inches, this gasket fits securely around the fuel pump lock ring, which measures 2.373 inches in diameter.

Compatible Nissan and Infiniti Models

This fuel tank sending unit gasket is compatible with a range of Nissan and Infiniti vehicles, including but not limited to the Nissan 240SX, 300ZX, Maxima, Pathfinder, Pulsar, Sentra, and Pickup, as well as Infiniti FX35, FX45, G20, G35, I30, I35, J30, M30, M45, Q45, and QX4 models. Ensure compatibility by verifying your vehicle's model and year before installation.

Common Applications and Issues Addressed

Prevents fuel leaks caused by worn or damaged sending unit gaskets
Maintains accurate fuel level readings by securing the sending unit
Eliminates fuel odor and potential safety hazards from leaks
Restores proper sealing after fuel pump or sending unit replacement
Prevents contamination of the fuel system from external debris

Installation Notes and Tips

Before installation, ensure the fuel tank is empty or has minimal fuel to reduce spillage. Clean the sealing surface thoroughly to remove old gasket material and debris. Use the included installation hardware to secure the gasket and lock ring firmly without over-tightening, which could damage the gasket. Verify the gasket is seated evenly to prevent leaks. Consult your vehicle’s service manual for specific torque specifications and safety precautions.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 579-051 fuel tank sending unit gasket undergoes quality inspections to ensure proper fit and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.

Brand	Dorman
Part Number	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

This part fits 121 vehicles. Search below:

Year	Make	Model	Drive Type	Transmission	Liters	Cylinders	Position
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

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1734201A00LO51

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.