O2 Sensor Air-Fuel Ratio Lambda for Mitsubishi Montero Sport 1995-2004
Upgrade your Mitsubishi’s oxygen sensor with this O2 sensor air-fuel ratio lambda sensor, designed for Mitsubishi Montero Sport models from 1995 to 2004. This heated, piezoelectric sensor helps your engine precisely monitor exhaust oxygen content and adjust the air-fuel mixture in real time. By delivering accurate feedback to the engine computer, it supports smoother idling, improved fuel efficiency, and lower emissions—resolving common performance issues caused by a worn or mismatched sensor. It’s part of a flexible compatibility range, including Montero, Montero Sport, and several Diamante/Mitsubishi variations, to fit the right vehicle you drive.
Benefits & Tips
- Optimizes fuel economy and reduces emissions by providing accurate oxygen readings for the engine control unit to adjust the air-fuel ratio.
- Improves throttle response and idle stability, especially after sensor replacement or during emissions-focused tuning.
- Easy to identify fitment with multiple part numbers; verify part numbers on your old sensor to ensure correct replacement.
Product specifications
- Brand Name: IWOKPHD
- Fits: For MITSUBISHI
- Sensor Type: Piezoelectric
- Type: Heating
- Origin: Mainland China
- Measuring Range: MD333996, MD335040, MD336448, MD336490, MD337891, MD338846
- OEM No.: 234-4633, 234-4657, 2344633, 2344657, 234 4633, 234 4657
- Part Number (extensive): MD186991, MD192072, MD305144, MD305147, MD306894, MD307258, MD319786, MD327610, MD329341, MD331050, MD332735, MD333994, MD333996, MD335040, MD336448, MD336490, MD337891, MD338846, MD342688, MD343988, MD357286, MD369192, MN158917, MN158921, MR514342, MR578114, MR988905, 1588A124, MD314062, MD333995, MN158920, 13801, 23521
- Repeatability: 1588A124, MD314062, MD333995, MN158920, 13801, 23521
- Resolution: MD319786, MD327610, MD329341, MD331050, MD332735, MD333994
- Application: For 1997-2004 Mitsubishi Montero Sport; For 1995-2000 Mitsubishi Montero; For 1999 Mitsubishi Diamante (California Emission); For 2000 Diamante (California Emission); For 2001-2004 Diamante; For 2002-2004 Diamante (VR-X); Additional compatibility includes 1995-2006 Mitsubishi Montero and other listed models
Package includes:
- 2 x 234-4633 + 2 x 234-4657
- Or 1 x 234-4633
- Or 1 x 234-4657
Warnings / Reminders
- Please check the picture and the part number carefully to make sure that you bought the right part for your car.
- If you cannot determine which item fits your car, please send the Part Number or the original product photos to us to confirm before order.
- The only way to be 100% sure that the part will fit your vehicle is to check your original part. We will check for you and reply within 24 hours.
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