20 Best B1S2 of 2025 – Romance University
After hours researching and comparing all models on the market, Romance University finds out the Best B1S2 of 2025. Check our ranking below.
2,730 Reviews Scanned
- [Vehicle Fitment]: "Upstream": Compatible with Chrysler Sebring 2001-2005 L4 2.4L(B1S1); Compatible with Dodge Stratus 2001-2004 L4 2.4L(B1S1); Compatible with Eagle Summit 1995-1996 L4 1.5L(B1S1); Compatible with Mitsubishi Eclipse 1998-2000 L4 2.4L(Calif-ESV; B1S1), Eclipse 2001-2005 L4 2.4L(B1S1), Galant 1995-2000 L4 2.4L(Calif-ESV; B1S1), Galant 2001-2003 L4 2.4L(B1S1), Lancer 2008-2010 L4 2.0L(B1S1), Lancer 2009-2010 L4 2.4L(B1S1), Mirage 2001-2002 L4 1.5L(B1S1)
- [Vehicle Fitment]: "Upstream Front": Compatible with Mitsubishi Diamante 1999-2000 V6 3.5L(Calif-ESV), Diamante 2001-2004 V6 3.5L; "Upstream Rear": Compatible with Endeavor 2004-2011 V6 3.8L; "Upstream Right ": Compatible with Mitsubishi Montero 1998-2000 V6 3.5L(Calif-ESV); "Downstream": Compatible with Mitsubishi Mirage 1995-1996 L4 1.5L(Calif-ESV; B1S2), Mirage 1997-2000 L4 1.5L(Calif-ESV; B1S1)
- [Reference Number]: 250-24633, 25024633, MD342775, MD357285, MR420631, MR560364, MR985164
- [Specification]: ① Wire Quantity: 4; ② Overall Length: 700 mm; ③ Mounting Type: Threaded; ④ Sensor Type: Heated; ⑤ Connector Gender: Male; ⑥ Package Quantity: 1x Oxygen Sensor; ⑦ Packaging Type: Box
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted O2 Oxygen Sensor. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.
- [Vehicle Fitment]: "Upstream (B1S1) and Downstream (B1S2)": Compatible with Chevrolet Captiva Sport 2012-2015 L4 2.4L, Equinox 2010-2014 L4 2.4L, Malibu 2008-2009 L4 2.4L (LT Model), Malibu 2008-2010 L4 2.4L (Hybrid, LS Model), Orlando 2012-2014 L4 2.4L; Compatible with GMC Terrain 2010-2014 L4 2.4L
- [Vehicle Fitment]: "Upstream (B1S1) and Downstream (B1S2)": Compatible with Pontiac G6 2008/2010 L4 2.4L, G6 2009 L4 2.4L (4 Speed Transmission), Solstice 2008-2009 L4 2.4L; Compatible with Saturn Aura 2007-2009 L4 2.4L, Sky 2008-2010 L4 2.4L, Vue 2008-2010 L4 2.4L
- [Reference Number]: 12606671, 19187281, 12597947, 12618010, 12618012, 250-24708, 234-4242, 2344242, 250-24704, 25024704 --- Please enter your vehicle information in the top left corner of the listing and check our Special Notes before ordering
- [Specification]: ① Wire Quantity: 4/4; ② Overall Length: 400/420 mm; ③ Mounting Type: Threaded; ④ Sensor Type: Heated; ⑤ Connector Gender: Male/Female; ⑥ Package Quantity: 2x Oxygen Sensor; ⑦ Packaging Type: Box
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted O2 Oxygen Sensor. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind
- Interchange OE Number: Compatible with 250-24913, 250-25017, 392102G550, 392102G560 Package Included: 2 X Oxygen Sensors
- Fitment: JDMON Oxygen O2 Sensor Compatible with 2012-2013 Kia Optima L4 2.4L B1S1 and B1S2, Compatible with 2009-2010 Hyundai Sonata L4 2.4L B1S1 and B1S2
- Benefits of Replacing Old Oxygen sensors: Oxygen sensor can improve engine performance, Prevent rough idle and engine misfires, Saves fuel and reduces air pollutant emissions, Extend expensive catalytic converter life.
- Recommendation and Services: The installation of auto parts is a very professional work, we recommend that you install it under the guidance of professionals. If you have any questions, please contact us, we will reply you as soon as possible.
- Warm Tips: Please check the description or interchangeable part numbers to confirm the compatibility before purchasing. Please check your oxygen sensor position plug wire length.
- [Vehicle Fitment]: "Downstream; Bank 1 Sensor 2": Compatible with Kia Forte 2014-2016 L4 2.0L (Federal Emissions), Forte 2017-2018 L4 2.0L (Federal Emissions), Forte Koup 2014-2016 L4 2.0L (Federal Emissions), Forte Koup 2017 L4 2.0L (GDI), Forte5 2014-2016 L4 2.0L (Federal Emissions), Forte5 2017-2018 L4 2.0L (GDI), Rondo 2014-2016 L4 2.0L
- [Vehicle Fitment]: "Downstream; Bank 1 Sensor 2": Compatible with Hyundai Elantra 2011-2013 L4 1.8L (Federal Emissions), Elantra Coupe 2013 L4 1.8L (Federal Emissions), Elantra GT 2013 L4 1.8L (Federal Emissions), Elantra GT 2014-2017 L4 2.0L, Tucson 2016-2018 L4 2.0L (AWD)
- [Note]: To ensure compatibility, please check the following: ① Please ensure the required installation position is Bank 1, Sensor 2--this part is not compatible with Bank 1, Sensor 1; ② For certain models, this product is compatible only with Federal Emissions standards and is not suitable for California Emission System (Calif ESV)
- [Reference Number]: 250-24987, 234-4550, 25024987, 2344550, 18103, 25733, 392102E500 --- Please enter your vehicle information in the top left corner of the listing and check our Special Notes before ordering
- [Specification]: ① Wire Quantity: 4; ② Sensor Type: Heated; ③ Mounting Type: Threaded; ④ Connector Gender: Male; ⑤ Package Quantity: 1x Oxygen Sensor; ⑥ Packaging Type: Box
- [Fitment Note]: Before purchasing, please refer to the "amazonconfirmedfit" or the compatible vehicle chart; Double-check the OE part number of the part and vehicle year/make/model to verify compatibility and ensure it fits your vehicle.
- [Compatible Part Numbers]: 250-24653, 350-34397, 35034397, 25024653, OS6203, 24688, 1588A050, 1588A051, 1588A112, MN163468, MN163469, MN163470, MN191125
- [Vehicle Fitment]: [Downstream] Compatible with Mitsubishi Lancer 2004-2005 L4 2.0L (From 09/02/03, Turbo), Lancer 2004-2006 L4 2.4L, Outlander 2005-2006 L4 2.4L (VIN:F), Outlander 2004 l4 2.4L
- [OE STANDARD]:All of the AUTOREBO oxygen sensors are built to achieve or exceed OE specifications, subject to strict quality control testing. Every component either matches or improves on the OE design to ensure fast and easy installation with superior possible performance and dependability.
- [Warranty & Support]: AUTOREBO products come with an 18-month post-purchase warranty, guaranteeing freedom from material and workmanship defects under normal use conditions from the original purchase date.
Last update on 2026-01-31 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
How Do You Buy The Best B1S2?
Do you get stressed out thinking about shopping for a great B1S2? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching B1S2, which is why we have assembled a comprehensive list of the greatest B1S2 available in the current market. We’ve also come up with a list of questions that you probably have yourself.
Romance University has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for B1S2 that you consider buying. Your questions might include the following:
- Is it worth buying an B1S2?
- What benefits are there with buying an B1S2?
- What factors deserve consideration when shopping for an effective B1S2?
- Why is it crucial to invest in any B1S2, much less the best one?
- Which B1S2 are good in the current market?
- Where can you find information like this about B1S2?
We’re convinced that you likely have far more questions than just these regarding B1S2, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.
Potential sources can include buying guides for B1S2, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible B1S2. Make sure that you are only using trustworthy and credible websites and sources.
Romance University provides an B1S2 buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available B1S2 currently available on the market.
This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:
- Brand Value: Every brand of B1S2 has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
- Features: What bells and whistles matter for an B1S2?
- Specifications: How powerful they are can be measured.
- Product Value: This simply is how much bang for the buck you get from your B1S2.
- Customer Ratings: Number ratings grade B1S2 objectively.
- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their B1S2.
- Product Quality: You don’t always get what you pay for with an B1S2, sometimes less, and sometimes more.
- Product Reliability: How sturdy and durable an B1S2 is should be an indication of how long it will work out for you.
Romance University always remembers that maintaining B1S2 information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.
If you think that anything we present here regarding B1S2 is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.