Dorman 579-051 | Fuel Tank Sending Unit Gasket

Part Number
Fuel Pump Lock Ring

Fits: 83 Nissan Pulsar, 85-02 Nissan Maxima, 86 Nissan Pickup, 86-88 Nissan Stanza, 87-95 Nissan Pathfinder, 87-89 Nissan Pulsar NX, 87-01 Nissan Sentra, 87-88 Nissan Van, 89-93 Nissan 240SX, 90-92 Infiniti M30, 90-05 Infiniti Q45, 90-96 Nissan 300ZX, 90 Nissan Axxess, 91-96 Infiniti G20, 99-02 Infiniti G20, 93-97 Infiniti J30, 95-97 Nissan Pickup, 96-01 Infiniti I30, 97-03 Infiniti QX4, 02-04 Infiniti I35, 03-04 Infiniti FX35, 03-05 Infiniti FX45, 03-04 Infiniti G35, 03-04 Infiniti M45

Special Price $18.00 Regular Price $21.99
In stock
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Estimated Ship Date: 1 Business Day or Less

This fuel tank sending unit gasket is designed to match the fit and function of the original gasket on specified vehicles, and is engineered for durability and reliable performance.

BRAND: Dorman - OE Solutions


  • Direct replacement - this fuel tank sending unit gasket is designed to match the fit and function of the original gasket on specified vehicles
  • Infiniti 2005-90, Nissan 2002-85, Nissan 1983
  • Fuel Pump Lock Ring
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Fuel, Tank, Sending, Unit, Gasket, Tanks, Gaskets
  • Restores functionality - this gasket is made to fit and fully restore part functionality after the original gasket fails
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience


Gasket or Seal IncludedYes
Inside Diameter1
Installation Hardware IncludedYes
Lock Ring Diameter (In)2.373 in
Outside Diameter2.375
Package Contents1 Fuel Pump Lock Ring



  • Nissan: 1734201A00
  • Spectra Premium: LO51


  • 1990-1992 Infiniti M30 - Position: N/A
  • 1986-1988 Nissan Stanza - Position: N/A
  • 1987-1989 Nissan Pulsar NX - Position: N/A
  • 2002-2004 Infiniti I35 - Position: N/A
  • 1997-2003 Infiniti QX4 - Position: N/A
  • 1987-1995 Nissan Pathfinder - Position: N/A
  • 1993-1997 Infiniti J30 - Position: N/A
  • 1990-1996 Nissan 300ZX - Position: N/A
  • 1987-2001 Nissan Sentra - Position: N/A
  • 2003-2004 Infiniti FX35 - Position: N/A
  • 1999-2002 Infiniti G20 - Position: N/A
  • 1986-1986 Nissan Pickup - Position: N/A
  • 1989-1993 Nissan 240SX - Position: N/A
  • 2003-2004 Infiniti M45 - Position: N/A
  • 2003-2005 Infiniti FX45 - Position: N/A
  • 1995-1997 Nissan Pickup - Position: N/A
  • 1991-1996 Infiniti G20 - Position: N/A
  • 1985-2002 Nissan Maxima - Position: N/A
  • 1996-2001 Infiniti I30 - Position: N/A
  • 1987-1988 Nissan Van - Position: N/A
  • 1990-1990 Nissan Axxess - Position: N/A
  • 2003-2004 Infiniti G35 - Position: N/A
  • 1983-1983 Nissan Pulsar - Position: N/A
  • 1990-2005 Infiniti Q45 - Position: N/A
Customer Questions
Can I use Dorman parts to replace OEM parts?
Yes, Dorman parts can often be used as replacements for OEM parts, but it is important to carefully compare specifications and ensure compatibility.
How do I install Dorman shift linkage bushing?
To install a Dorman shift linkage bushing, first locate the old bushing and remove it if necessary. Apply lubricant to the Dorman bushing and slide it onto the shift linkage, tapping it into place with a soft tool until fully seated. Check the alignment and function of the shift linkage after installation.
Where is Dorman manufactured?
Dorman is a global automotive parts supplier with manufacturing facilities in the United States, Mexico, Canada, China, and India. Its headquarters and largest manufacturing facility are located in Colmar, Pennsylvania, USA.
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