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Buy 3 Tires, Get 4th Tire Free Instantly. Receive a discount equal to the price of a single tire when four tires are added to the cart. Valid on select in stock tires only. Those tires for which discount is available will be identified in search results & product detail pages. All other tires and special order tires are excluded from this offer. Valid when scheduled for installation on PepBoys.com and installation is completed between 6/26/17 through 7/31/17.


Denso Oxygen Sensors 1099405
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  • Part #: 234-9127|
  • SKU: 1099405

Available tomorrow after 12 p.m.


    • Corrosion-resistant stainless steel construction
    • PTFE filter blocks efficiency-robbing contaminants
Retail
$211.99

Denso Oxygen Sensors

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.
  • Corrosion-resistant stainless steel construction
  • PTFE filter blocks efficiency-robbing contaminants
  • Refined zirconia element improves sensor response
  • Superior design maximizes engine performance and fuel efficiency while reducing fuel consumption and harmful emissions
  • First Time Fit delivers the right part the first time
  • Ensures smog test compliance
Denso Oxygen Sensor

1099405

Denso Oxygen Sensors is rated 4.7 out of 5 by 7.
Rated 4 out of 5 by from Great great fit..OEM replacement This is the OEM replacement for my 2006 Toyota Tacoma v6 Took the p0420 check engine light off Dealer said replace cats costing 3000 Did a lot of reading and a bad o2 can cause a p0420 Had truck tested at different dealer and told trucks cats are fine and in great running shape. I take care of my vehicles
Date published: 2017-01-12
Rated 5 out of 5 by from Excellent do it agian
Date published: 2016-12-01
Rated 5 out of 5 by from High quality Very fast!! Pick up same day
Date published: 2016-11-28
Rated 5 out of 5 by from Great product Good product
Date published: 2016-11-22
Rated 5 out of 5 by from Great product Good brand fit perfect
Date published: 2016-11-22
Rated 5 out of 5 by from very good quality sensors.... great value! These O2 sensors are above average quality and a great value!
Date published: 2016-10-22
Rated 4 out of 5 by from O2 Works great
Date published: 2016-08-26
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