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NTK
Direct Fit Oxygen SensorNTK 23518 Oxygen Sensor
| Brand | NTK 23518 |
|---|---|
| Position | Downstream Left |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 18.000 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 26.5000 |
| Product line | Direct Fit Oxygen Sensor |
| Fits | Mitsubishi, Dodge, and Eagle · 67 vehicles |
Direct fit replacement. Specific fit and threaded mounting simplify installation.
Heated sensor. Supports fast, reliable oxygen sensing.
OE-spec tested. Manufactured to meet or exceed original equipment standards.
Cross-references BBB Industries 13485, BBB Industries 13801 and BBB Industries 13809 for the same application. See all 78.
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Direct Fit Oxygen Sensor for Mitsubishi Applications
NTK 23518 is a direct fit heated oxygen sensor built for specific Mitsubishi and Dodge applications. It is engineered to match OE-style fit, form, and function for downstream and upstream positions across select Montero, Montero Sport, Diamante, 3000GT, Mirage, Expo, and Stealth models.
Key Features
- Heated oxygen sensor with 4-wire design
- Specific-fit replacement for direct installation in listed applications
- Threaded mounting with 18 mm thread diameter
- 26.5 in. wiring harness length
- Built to OE specifications for fit and signal performance
- Extensively tested during manufacturing for quality and reliability
Product Details
NTK Direct Fit Oxygen Sensor 23518 is part of NTK’s Direct Fit Oxygen Sensor line, created to streamline coverage while maintaining OE-style application matching. NTK is a major original equipment oxygen sensor manufacturer, and this sensor reflects that background with a ceramics-based design process and manufacturing controls from raw material through finished product. For buyers searching for an oxygen sensor for Mitsubishi Montero, Montero Sport, or Diamante, this part provides a direct replacement option for the listed upstream and downstream positions.
This part cross-references Bosch 15358 and DENSO Auto Parts 234-4631 for the same application.
What This Oxygen Sensor Helps Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel ratio readings from a worn sensor
- Slow sensor response in heated O2 sensor circuits
- Emissions test failures tied to sensor degradation
- Driveability issues caused by inaccurate exhaust oxygen feedback
Installation Notes and Fitment
- Fits 2001-2006 Mitsubishi Montero, Downstream Left
- Fits 2001-2004 Mitsubishi Diamante, Downstream Right
- Fits 2001-2004 Mitsubishi Montero Sport, Downstream Left
- Fits 1999-2000 Mitsubishi Diamante, Downstream Right
- Fits 1997-2000 Mitsubishi Montero, Upstream
- Fits 1995 Mitsubishi Montero, Upstream
- Fits 1996-2000 Mitsubishi Montero, Downstream Left
- Fits 1997-2000 Mitsubishi Montero Sport, Downstream Left
- Fits 1997-2000 Mitsubishi Montero Sport, Downstream
- Fits 1996-1999 Mitsubishi 3000GT, Upstream Left
- Fits 1997-1998 Mitsubishi Montero Sport, Upstream Right
- Fits 1995-1997 Mitsubishi Montero, Upstream Right
- Fits 1996 Dodge Stealth, Upstream Left
- Fits 1994-1996 Mitsubishi Diamante, Upstream Left
- Fits 1995-1996 Mitsubishi Mirage, Downstream
- Fits 1994-1996 Mitsubishi Montero, Upstream
- Fits 1994-1995 Dodge Stealth, Upstream Left
- Fits 1994-1995 Mitsubishi 3000GT, Upstream Left
- Fits 1995 Mitsubishi Expo, Downstream
Confirm the sensor position, emissions package, and connector routing before installation. This NTK 23518 oxygen sensor is a direct fit replacement for specific OE-style applications, including Mitsubishi Montero and Montero Sport configurations.
Quality Assurance
NTK manufactures oxygen sensors with OE-level application focus and extensive production testing to help ensure quality and reliability that meets or exceeds original equipment specifications. The brand’s OE supplier background supports consistent fitment and signal performance across the listed applications.
This part fits 67 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Drive Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2006 | Mitsubishi | Montero | — | — | 3.8L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2005 | Mitsubishi | Montero | — | — | 3.8L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2004 | Mitsubishi | Diamante | — | — | 3.5L | V6 | Downstream Right | Downstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor |
| 2004 | Mitsubishi | Montero | — | — | 3.8L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2004 | Mitsubishi | Montero Sport | — | — | 3.5L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2003 | Mitsubishi | Diamante | — | — | 3.5L | V6 | Downstream Right | Downstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor |
| 2003 | Mitsubishi | Montero | — | — | 3.8L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2003 | Mitsubishi | Montero Sport | — | — | 3.5L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2003 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2002 | Mitsubishi | Diamante | — | — | 3.5L | V6 | Downstream Right | Downstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor |
| 2002 | Mitsubishi | Montero | — | — | 3.5L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2002 | Mitsubishi | Montero Sport | — | — | 3.5L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2002 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2001 | Mitsubishi | Diamante | — | — | 3.5L | V6 | Downstream Right | Downstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor |
| 2001 | Mitsubishi | Montero | — | — | 3.5L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2001 | Mitsubishi | Montero Sport | — | — | 3.5L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2001 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2000 | Mitsubishi | Diamante | — | — | 3.5L | V6 | Downstream Right | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 2000 | Mitsubishi | Montero | — | — | 3.5L | V6 | Upstream | B1S1 Oxygen Sensor for Federal Emissions with OE Equivalent Design; Direct Fit Oxygen Sensor |
| 2000 | Mitsubishi | Montero | — | — | 3.5L | V6 | Downstream Left | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 2000 | Mitsubishi | Montero Sport | — | — | 3.5L | V6 | Downstream Left | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 2000 | Mitsubishi | Montero Sport | — | — | 3.5L | V6 | Downstream | B1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor |
| 2000 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Downstream Left | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 2000 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Downstream | B1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1999 | Mitsubishi | 3000GT | — | — | 3.0L | V6 | Upstream Left | Compatible with downstream oxygen sensor designed to meet OE specifications.; Direct Fit Oxygen Sensor |
| 1999 | Mitsubishi | Diamante | — | — | 3.5L | V6 | Downstream Right | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1999 | Mitsubishi | Montero | — | — | 3.5L | V6 | Upstream | B1S1 Oxygen Sensor for Federal Emissions with OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1999 | Mitsubishi | Montero | — | — | 3.5L | V6 | Downstream Left | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1999 | Mitsubishi | Montero Sport | — | — | 3.5L | V6 | Downstream Left | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1999 | Mitsubishi | Montero Sport | — | — | 3.5L | V6 | Downstream | B1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1999 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Downstream Left | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1999 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Downstream | B1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1999 | Mitsubishi | Montero Sport | — | — | 2.4L | L4 | Downstream | B1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1998 | Mitsubishi | 3000GT | — | — | 3.0L | V6 | Upstream Left | Compatible with downstream oxygen sensor designed to meet OE specifications.; Direct Fit Oxygen Sensor |
| 1998 | Mitsubishi | Montero | — | — | 3.5L | V6 | Upstream | B1S1 Oxygen Sensor for Federal Emissions with OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1998 | Mitsubishi | Montero | — | — | 3.5L | V6 | Downstream Left | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1998 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Upstream Right | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1998 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Downstream Left | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1998 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Downstream | B1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1998 | Mitsubishi | Montero Sport | — | — | 2.4L | L4 | Downstream | B1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1997 | Mitsubishi | 3000GT | — | — | 3.0L | V6 | Upstream Left | Compatible with downstream oxygen sensor designed to meet OE specifications.; Direct Fit Oxygen Sensor |
| 1997 | Mitsubishi | Montero | — | — | 3.5L | V6 | Upstream Right | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1997 | Mitsubishi | Montero | — | — | 3.5L | V6 | Upstream | B1S1 Oxygen Sensor for Federal Emissions with OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1997 | Mitsubishi | Montero | — | — | 3.5L | V6 | Downstream Left | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1997 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Upstream Right | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1997 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Downstream Left | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1997 | Mitsubishi | Montero Sport | — | — | 3.0L | V6 | Downstream | B1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1997 | Mitsubishi | Montero Sport | — | — | 2.4L | L4 | Downstream | B1S2, Federal Emissions, OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1996 | Dodge | Stealth | — | — | 3.0L | V6 | Upstream Left | Compatible with downstream oxygen sensor designed to meet OE specifications.; Direct Fit Oxygen Sensor |
| 1996 | Mitsubishi | 3000GT | — | — | 3.0L | V6 | Upstream Left | Compatible with downstream oxygen sensor designed to meet OE specifications.; Direct Fit Oxygen Sensor |
| 1996 | Mitsubishi | Diamante | — | — | 3.0L | V6 | Upstream Left | Equivalent OE design oxygen sensor; Direct Fit Oxygen Sensor |
| 1996 | Mitsubishi | Mirage | — | — | 1.8L | L4 | Downstream | B1S2 California emissions OE equivalent design.; Direct Fit Oxygen Sensor |
| 1996 | Mitsubishi | Montero | — | — | 3.5L | V6 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor |
| 1996 | Mitsubishi | Montero | — | — | 3.0L | V6 | Upstream Right | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1996 | Mitsubishi | Montero | — | — | 3.0L | V6 | Downstream Left | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1995 | Dodge | Stealth | — | — | 3.0L | V6 | Upstream Left | B2S1; Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1995 | Mitsubishi | 3000GT | — | — | 3.0L | V6 | Upstream Left | B2S1; Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1995 | Mitsubishi | Diamante | — | — | 3.0L | V6 | Upstream Left | Equivalent OE design oxygen sensor; Direct Fit Oxygen Sensor |
| 1995 | Mitsubishi | Expo | FWD | — | 2.4L | L4 | Downstream | B1S2 California emissions OE equivalent design.; Direct Fit Oxygen Sensor |
| 1995 | Mitsubishi | Mirage | — | — | 1.8L | L4 | Downstream | B1S2 California emissions OE equivalent design.; Direct Fit Oxygen Sensor |
| 1995 | Mitsubishi | Montero | — | — | 3.5L | V6 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor |
| 1995 | Mitsubishi | Montero | — | — | 3.0L | V6 | Upstream Right | Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1995 | Mitsubishi | Montero | — | Automatic | 3.0L | V6 | Upstream | B1S1 Oxygen Sensor for Federal Emissions with OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1994 | Dodge | Stealth | — | — | 3.0L | V6 | Upstream Left | B2S1; Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1994 | Mitsubishi | 3000GT | — | — | 3.0L | V6 | Upstream Left | B2S1; Calif. Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor |
| 1994 | Mitsubishi | Diamante | — | — | 3.0L | V6 | Upstream Left | Equivalent OE design oxygen sensor; Direct Fit Oxygen Sensor |
| 1994 | Mitsubishi | Montero | — | — | 3.5L | V6 | Upstream | OE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor |
| No rows match your filter. | ||||||||
Directly replaces or cross-references 78 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 13485BBB Industries — 13801BBB Industries — 13809BBB Industries — 13821BBB Industries — 13829BBB Industries — 13933Bosch — 15358Bosch — 15580Bosch — 15581Carlson — 15222Continental — 15456Dayco — 15460Delphi — ES20081DENSO Auto Parts — 234-4631DENSO Auto Parts — 234-4633Dorman - HELP — 13814OSC — 13403OSC — 13486Quality-Built — 13451Quality-Built — 15454Quality-Built — 15593Quality-Built — 15597Quality-Built — 15602SKF — 13484Spectra Premium — OS508475-182375-182475-182775-195275-214875-216475-236375-236675-259675-282275-284175-289875-290075-290475-307675-308075-3085213-1603213-2911ES10445ES10610MD305144MD306893MD306894MD307258MD314061MD332735MD333990MD333994MD337891MD357286MD369192MN158917MN158921MR578114MR988905OS859OS888OS918OS920OS1867OS1874OS1923SG399SG410SG594SG1113SG1118SG1120SG1169SG1358SG1453SG1457