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Part number: 234-5158
Competitor Pricing
Product Details
Denso 234-5158 A/f Sensor
Denso 234-5158 Air/Fuel Ratio Sensor
5 Wire, Direct Fit
Heated
OEM Style

DENSO?s oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the sensor is to monitor the air fuel mixture under idle, moderate acceleration and cruise conditions. Under heavy acceleration the oxygen sensor goes into ?open loop? Which basically means that the engine management computer system ignores the oxygen sensor. Oxygen sensors have a smaller range of limits in detecting and adjusting the difference from an optimum air/fuel ratio.

As the automotive industry continues to improve on their standards DENSO is keeping the pace with advancements in our engineering to meet the demands from the industry. Also as car owners are holding on to their cars for longer periods. DENSO continues to make auto parts available for those critical replacement parts.

Oxygen sensors, also known as Lambda sensors or O2 sensors among some vehicle manufacturers, are among the most sensitive and critical components on your car?s engine. Earlier fuel injection systems employed one oxygen sensor in the exhaust system to maintain closed-loop air/fuel mixture control. However, today?s engines may use as many as four sensors, which monitor not only exhaust gas oxygen content but catalytic converter efficiency as well. In order to perform these functions properly, the sensors must adhere to OE standards within incredibly close tolerances. A malfunctioning or incorrectly calibrated oxygen sensor can hurt driveability and illuminate the malfunction indicator, resulting in costly and time-consuming repairs. DENSO First Time Fit? oxygen sensors are designed to meet those tolerances and more. The DENSO oxygen sensor catalog offers one of the most complete product lines in the industry, from Acura to Volvo.

FEATURES

  • Corrosion-resistant stainless steel construction
  • PTFE filter blocks efficiency-robbing contaminants
  • Refined zirconia element improves sensor response

BENEFITS

  • Increased performance and efficiency, reduced fuel consumption
  • First Time Fit? delivers the right part the first time
  • Ensures smog test compliance
Reviews
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Quick and low cost
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easy to find stuff , well see how the thing i got is, or if i get a box of junk.
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Have not recieved order yet, but price was good. Will see how long it takes and if I get the right product. Writing this review before arrivial.
P
Good found what i needed
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Fitment
Mercedes-Benz B250
2015 Mercedes-Benz B250 ALL
2014 Mercedes-Benz B250 ALL
2013 Mercedes-Benz B250 ALL
Mercedes-Benz C300
2013 Mercedes-Benz C300 ALL
Mercedes-Benz C350
2015 Mercedes-Benz C350 ALL
2014 Mercedes-Benz C350 ALL
2013 Mercedes-Benz C350 ALL
Mercedes-Benz C400
2015 Mercedes-Benz C400 ALL
Mercedes-Benz CLA250
2016 Mercedes-Benz CLA250 ALL
2015 Mercedes-Benz CLA250 ALL
2014 Mercedes-Benz CLA250 ALL
Mercedes-Benz CLA45 AMG
2016 Mercedes-Benz CLA45 AMG ALL
2015 Mercedes-Benz CLA45 AMG ALL
2014 Mercedes-Benz CLA45 AMG ALL
Mercedes-Benz CLS550
2016 Mercedes-Benz CLS550 ALL
2015 Mercedes-Benz CLS550 4Matic / Base
2014 Mercedes-Benz CLS550 ALL
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