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Your cart is empty.Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production, since first inventing the Oxygen Sensor in the late 1960's, ensuring long-lasting, superior performance that you can count on. Bosch Oxygen sensors are 100% tested for full functionality, resulting in a seared appearance of the protection tube, to ensure every Bosch manufactured sensor meets Bosch's rigorous standards for quality and performance. Exclusive double laser-welded stainless steel body is totally submersible and sealed tight to protect against contamination from exhaust emissions — ensuring a longer sensor service life. Fast-acting heater optimizes sensor operation on Planar and 3, 4, and 5 wire Thimble type sensors allowing the oxygen sensor to reach its operating temperature quicker – within seconds – for optimum performance. True Direct-fit OE connectors and harnesses, along with threads pre-coated with anti-seize compound right out of the box, make installation simple and hassle-free. It’s critical that oxygen sensors are replaced at the suggested intervals provided by vehicle manufacturers before the sensor fails. Following the recommendations will prevent long term damage to a vehicle’s engine, reduce harmful carbon dioxide (CO2) emissions and save money when refueling your vehicle.
The_Buttler
Reviewed in the United States on February 26, 2025
Received a faulty part, but the window for returns has passed.Check product as soon as you receive product to avoid my mistake.
PHASIT WACHARATHAM
Reviewed in the United States on September 23, 2024
What owners of the 2003 Hummer H2 need to know: This is the oxygen sensor pair on top. The plug terminals are not the same as the ones on the bottom. The product quality is very good, I recommend it.
Rich B.
Reviewed in the United States on November 8, 2024
Worked perfectly no more service engine light.
AW
Reviewed in the United States on November 15, 2021
Smart investment of time and money. Such an easy fix for a good price and payoff.
Dewey Decimal
Reviewed in the United States on December 7, 2020
Prefect fit for Bank 1 or 2, sensor 1 in my 2003 GMC Yukon XL Denali. And half the price versus auto part stores.
US Marshal
Reviewed in the United States on June 17, 2019
Easy installation
Goodonis
Reviewed in the United States on July 3, 2016
I had this check engine light code on and off stating Bank1-Sensor1. Bought this sensor at an attractive price and fits like the original. My check engine light has not turned off yet, maybe eventually it will turn off by it self after a while w/ a longer drive. I hope.UPDATE: After about three days my my CHECK ENGINE LIGHT finally went off, so it worked! I raised my review from 3 to 5 stars . I was quoted in the Auto Parts store for $59. 99 for this a lot more compared to $35 here in Amazon.
Slamastack
Reviewed in the United States on August 15, 2013
I got a P0053 HO2S Heater Resistance (Bank 1, Sensor 1) code on my 2005 Silverado, so after looking it up in Google I found that code meant the upstream O2 sensor. My truck came with a Denso O2 sensor, but this Bosch sensor was a perfect fit and seems to work even better than the original part. My engine runs a touch smoother than it did before the old sensor burnt out, and as a nice touch Bosch even pre-greased the threads with heat resistant lubricant so it would install nicely and prevent it from rusting in place later. It's not like I couldn't do that myself, but it shows that Bosch really pays attention to the little things when it comes to their products.
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