Delphi ES10686 Oxygen Sensor - Front Left

Brand Delphi ES10686
Position Front Left
Connector Shape Flat
Overall Length 935.0
Package Contents Oxygen Sensor, Instruction Sheet
Sensor Type Heated
Thread Size 18 x 1.5 mm
Wire Quantity 3
Fits Nissan and INFINITI · 23 vehicles

Heated sensor. Built for faster operation and stable readings.

Flat connector. Simplifies hookup with a compact, low-profile design.

OE heritage. Backed by a century of original-equipment experience.

Cross-references Baldwin 18002, Bosch 13228 and Bosch 15821 for the same application. See all 38.

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Delphi ES10686 Oxygen Sensor for Front Left Applications

The Delphi ES10686 is a heated oxygen sensor built for front left placement on select Nissan and INFINITI vehicles. It uses a 3-wire design with a flat connector and 18 x 1.5 mm thread size for direct-fit replacement in emissions control service.

Key Features

  • Heated oxygen sensor for faster operating temperature
  • 3-wire configuration with flat connector shape
  • 18 x 1.5 mm thread size
  • Overall length: 935.0
  • Includes oxygen sensor and instruction sheet
  • Front left position
  • Delphi ES10686 OE-style replacement backed by Delphi’s OE heritage

Detailed Description

Delphi ES10686 is an emissions control oxygen sensor engineered for front left installation on 1996-2000 Nissan Pathfinder, 1997-2000 INFINITI QX4, 1998 Nissan Maxima, 1999-2004 Nissan Frontier, and 2000-2004 Nissan Xterra. Delphi draws on more than a century of OE experience and supplier knowledge used by major automakers, bringing that background into this aftermarket oxygen sensor. This part cross-references Bosch (e.g., 13228, 15821) for the same application.

What It Helps Address

  • Check engine light related to oxygen sensor performance
  • Incorrect air-fuel mixture readings
  • Reduced fuel economy caused by faulty sensor feedback
  • Emissions test failures tied to sensor response issues
  • Rough idle or drivability concerns from inaccurate exhaust monitoring

Installation Notes and Tips

Verify front left placement before ordering and match the connector shape, wire count, and thread size to the original sensor. Confirm the vehicle application against the listed fitment for 1996-2000 Pathfinder, 1997-2000 QX4, 1998 Maxima, 1999-2004 Frontier, and 2000-2004 Xterra. Use proper exhaust sensor service practices during removal and installation to avoid damage to the harness or threads.

Quality Assurance

Delphi builds this oxygen sensor using OE heritage and application knowledge developed through long-term supplier experience with leading automakers. The ES10686 is specified as a heated sensor with the correct connector and thread configuration for the listed front left applications.

Compatible Vehicles

  • Fits 1999-2004 Nissan Frontier, Front Left
  • Fits 2000-2004 Nissan Xterra, Front Left
  • Fits 1997-2000 INFINITI QX4, Front Left
  • Fits 1996-2000 Nissan Pathfinder, Front Left
  • Fits 1998 Nissan Maxima, Front Left
This part fits 23 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2004NissanFrontierFront Left
2004NissanXterraFront Left
2003NissanFrontierFront Left
2003NissanFrontierXEFront Left
2003NissanXterraFront Left
2002NissanFrontierFront Left
2002NissanFrontierXEFront Left
2002NissanXterraFront Left
2001NissanFrontierFront Left
2001NissanXterraFront Left
2000INFINITIQX4Front Left
2000NissanFrontierFront Left
2000NissanPathfinderFront Left
2000NissanXterraFront Left
1999INFINITIQX4Front Left
1999NissanFrontierFront Left
1999NissanPathfinderFront Left
1998INFINITIQX4Front Left
1998NissanMaximaFront Left
1998NissanPathfinderFront Left
1997INFINITIQX4Front Left
1997NissanPathfinderFront Left
1996NissanPathfinderFront Left
Directly replaces or cross-references 38 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Baldwin — 18002Bosch — 13228Bosch — 15821Bosch — 15983DENSO Auto Parts — 234-3015DENSO Auto Parts — 234-3089DENSO Auto Parts — 234-3097DENSO Auto Parts — 234-3098Dorman - HELP — 15861Gates — 24526Gates — 24805Walker Products — 250-23109138-403138-578156-3051156-305722691-0W00322691-4L00022691-4S10022691-4S10122691-4S10222691-9S20022691-EK800226910W000226910W001213129421313892131390OS871OS1709OS1710REA1038SG284SG955SG956SU4487SU5756SU6832