Premium Oxygen Sensor
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Bosch Premium Oxygen Sensor

Part No. 15703 Warranty  

See if this part fits a specific vehicle.

Check Vehicle Fit

Bosch ceramic technology affords best-in-class performance. The ceramic element is a critical part of any oxygen sensor. Bosch's patented materials and processes are your assurance of unparalleled quality and performance.
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Connector Gender:Male
Exact Fit:Yes
Harness Length:10.1 in
Heated:Yes
Length (Sealing Surface To End Of Connector):12.2 in
Overall Length:13.4 in
Wire Quantity:4

REVIEW SNAPSHOT®

by PowerReviews
BoschPremium Oxygen Sensor
 
4.5

(based on 34 reviews)

Ratings Distribution

  • 5 Stars

     

    (25)

  • 4 Stars

     

    (5)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (2)

94%

of respondents would recommend this to a friend.

Pros

  • Easy to use (23)
  • Durable (14)
  • Lightweight (6)
  • High-performance (5)

Cons

    Best Uses

    • Trucks (22)
    • Large cars (11)
    • Small cars (10)
      • Car & Truck:
      • Auto enthusiast (4), Truck enthusiast (4)
      • Reviewer Profile:
      • Auto enthusiast (12), Casual driver (10), Mechanic (10), Truck enthusiast (10), Competitive driver (3)
      • Was this a gift?:
      • No (27)

    Most Liked Positive Review

     

    Excellent OEM Replacement

    Bosch is the O2 Sensor leader, in my opinion. I have replaced multiple O2 sensors on many different makes and models. I can rely on Bosch to deliver a defect free part and...Read complete review

    Bosch is the O2 Sensor leader, in my opinion. I have replaced multiple O2 sensors on many different makes and models. I can rely on Bosch to deliver a defect free part and excellent compatability with direct plug n play harnesses.

    VS

    Most Liked Negative Review

     

    Surprised by Bosch

    I was surprised as my shop told me one of the sensors was defective. Luckily I was able to exchange it at your store while they had the car. All is well now.

    I was surprised as my shop told me one of the sensors was defective. Luckily I was able to exchange it at your store while they had the car. All is well now.

    Reviewed by 34 customers

    Sort by

    Displaying reviews 1-10

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    5.0

    great fix

    By tedw

    from Homer City PA

    About Me Mechanic, Truck Enthusiast

    Ask me a question

    3 or more reviews submitted

    Pros

    • Easy To Use
    • High-Performance
    • Perfect Fit

    Cons

      Best Uses

      • SUV
      • Trucks

      Comments about Bosch Premium Oxygen Sensor:

      Great product for the value, they coat the threads with anti seize lubricant for you so you can pretty much stick it right in.

      Comment on this review(earn points)

       
      4.0

      Works for me

      By wbspensshorty

      from wilkes-barre pa

      About Me Casual Driver

      Verified Buyer
      Level 1

      Pros

      • Works As It Should So Far

      Cons

        Best Uses

        • Small SUV

        Comments about Bosch Premium Oxygen Sensor:

        So far works as it is supposed to

        • Was this a gift?:
        • No

        Comment on this review(earn points)

         
        5.0

        Does what its supposed to do.

        By John

        from Binghamton, NY

        About Me Auto Enthusiast, Casual Driver, Competitive Driver, Mechanic, Truck Enthusiast

        Verified Buyer
        Level 1

        Pros

        • Durable
        • Easy To Use

        Cons

          Best Uses

          • Large Cars
          • Small Cars
          • Trucks

          Comments about Bosch Premium Oxygen Sensor:

          I like the store that I go to. But recently they made me a little angry. I wanted to return headlight bulbs that installed in the car and then realized that they were not the ones that I wanted. The clerk told me that I could not return them because they were used. Mind you I only turned them on once and then removed them. I go to this store multiple times a week and spend lots of money, I would hate to have to go elsewhere.

          • Was this a gift?:
          • No

          Comment on this review(earn points)

           
          5.0

          I would recommend this product.

          By bulldog

          from Clio, MI

          About Me Auto Enthusiast, Mechanic, Truck Enthusiast

          Verified Buyer

          Pros

          • Durable
          • Easy To Use
          • High-Performance
          • Lightweight

          Cons

            Best Uses

            • Large Cars
            • Small Cars
            • Trucks

            Comments about Bosch Premium Oxygen Sensor:

            Was easy to install and hook up.

            Comment on this review(earn points)

             
            5.0

            good part

            By none

            from salem,va

            About Me Casual Driver, Mechanic

            Verified Buyer
            Level 1

            Pros

            • Durable
            • Easy To Use
            • Lightweight

            Cons

              Best Uses

              • Trucks

              Comments about Bosch Premium Oxygen Sensor:

              Good part

              • Was this a gift?:
              • No

              Comment on this review(earn points)

               
              5.0

              the part performs perfectly

              By steve

              from Sanford, Maine

              About Me Casual Driver

              Verified Buyer
              Level 1

              Pros

              • Easy To Use
              • High-Performance

              Cons

                Best Uses

                • Large Cars
                • Small Cars
                • Trucks

                Comments about Bosch Premium Oxygen Sensor:

                The product was easy to install and works well. Got the 30% discount and picked it up at the local store the same day. The best of both worlds.

                • Was this a gift?:
                • No

                Comment on this review(earn points)

                (8 of 15 customers found this review helpful)

                 
                5.0

                Easy to install

                By dodge diesel

                from Valparaiso, IN

                About Me Auto Enthusiast, Casual Driver, Competitive Driver, Truck Enthusiast

                Verified Buyer
                Helpful Reviewer

                Pros

                • Easy To Use
                • Quicker Response

                Cons

                • Maybe Hard To Get Too

                Best Uses

                • Large Cars
                • Small Cars
                • Trucks

                Comments about Bosch Premium Oxygen Sensor:

                thanks, glad in stock

                • Was this a gift?:
                • No

                Comment on this review(earn points)

                (7 of 15 customers found this review helpful)

                 
                5.0

                Quality part

                By tecwizrd

                from Ardmore, AL

                About Me Auto Enthusiast, Truck Enthusiast

                Verified Buyer
                3 or more reviews submitted

                Pros

                  Cons

                    Best Uses

                      Comments about Bosch Premium Oxygen Sensor:

                      So far the part has worked as expected. It is a long term part so the real test is whether or not it last for a long time.

                      • Was this a gift?:
                      • No

                      Comment on this review(earn points)

                      (7 of 15 customers found this review helpful)

                       
                      5.0

                      Great

                      By Bruce

                      from Blossvale,ny

                      About Me Casual Driver

                      Verified Buyer
                      Helpful Reviewer

                      Pros

                      • Durable

                      Cons

                      • None

                      Best Uses

                      • Trucks

                      Comments about Bosch Premium Oxygen Sensor:

                      Easy to install

                      • Was this a gift?:
                      • No

                      Comment on this review(earn points)

                      (7 of 15 customers found this review helpful)

                       
                      1.0

                      failed within 1 day

                      By easy rider

                      from vernon hills,il.

                      About Me Casual Driver

                      Verified Buyer
                      Helpful Reviewer

                      Pros

                        Cons

                          Best Uses

                          • Large Cars
                          • Small Cars
                          • Trucks

                          Comments about Bosch Premium Oxygen Sensor:

                          bought the bosch because of the name but it didn't last, I know things fail so I still would consider the name again

                          • Was this a gift?:
                          • Yes

                          Comment on this review(earn points)

                          Displaying reviews 1-10

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                          Do you have questions about this product?(earn points for answers!)

                           

                          Ask a question, get answers from real customers and in-house experts. Or contact Customer Care by email or call 1-877-238-2623.

                          35 Questions | 41 Answers
                          Displaying questions 1-10Previous | Next »
                          • Q:

                            I have a 98 Blazer with a 4.3 engine. When checking a trouble light I was told it was the oxygen sensor but did'nt know 2 was required. Can 1 be bad and other good? I found 1 under passenger side on Y-pipe. Where is the other one?
                            Asked on 11/4/2013 by Dave from West Carrollton Ohio

                            1 answer

                            • CUSTOMER CARE

                              A:

                              Hi Dave, the 1998 Chevrolet Blazer has three oxygen sensors. Two are located up on the front Y-pipe bolted to the V-6 engine's manifold. These two sensors detect the fuel-to-air mix in the exhaust and transmit that information to the powertrain control module. From there, the powertrain control module makes adjustments to achieve the lowest emissions possible while still running properly. The third oxygen sensor is located after the catalytic converter. This sensor's job is to monitor the efficiency of the catalytic converter. However, I would suggest you to take your vehicle and thoroughly checked with a certified local mechanic before buying the parts that may/may not solve the problem.

                              Answered on 11/5/2013 by Steve from AAP
                          • Q:

                            Would like to know if you can give me a diagram of the locations for the 3 o2 sensors on 1997 Camaro installing 2005 Motor V6 the exhaust has 2 one befor and 1 right after the cat. My dilima is the last 2 sensor do not have a place to connect. Thnx
                            Asked on 10/7/2013 by Mr.J1s from PASADENA, CA

                            1 answer

                            • CUSTOMER CARE

                              A:

                              Hi Mr.J1s, for help with your project, I recommend purchasing a repair manual specifically for your vehicle. This should be able to assist you further into detail on how to repair or replace specific parts. For any further assistance, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                              Answered on 10/8/2013 by Steve from AAP
                          • Q:

                            i have 1996 silverado 5.0 eng how many oxgen sensors does it have and where are they located
                            Asked on 9/20/2013 by sonnyboy from dublin,ga 31021

                            1 answer

                            • CUSTOMER CARE

                              A:

                              With reference to your inquiry on the Bosch Premium Oxygen Sensor - Part No. 15703, there are three oxygen sensors on your 1996 Chevrolet Silverado 5.0L. The bank 1 sensor 2 will be the located at the down pipes coming off the exhaust manifolds Y together immediately before the catalytic converter. Other two are located before and after the catalytic converter in the Y pipe. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                              Answered on 9/20/2013 by Morgan from AAP
                          • Q:

                            i have a 2001 gmc sonama truck 4cylinder where is the location for the premium oxygen sensor.
                            Asked on 5/12/2013 by mikey29445us from summerville, s.c.

                            1 answer

                            • CUSTOMER CARE

                              A:

                              With reference to your inquiry on the Bosch Premium Oxygen Sensor - Part No. 15703, there are two oxygen sensors on your 2001 GMC Sonoma. One is located on the left (driver's side) of the Y-pipe up high near the manifold. The other is located on the exhaust pipe on the right (passenger's side) going to the catalytic converter. For further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.

                              Answered on 5/12/2013 by Morgan from AAP
                          • Q:

                            I need to replace my o2 sensor on my 1998 GMC Suburban K1500 with 5.7 liter engine. What product do i need to purchase? Is there two sensors? thanks.
                            Asked on 3/10/2013 by Scott from Norfolk, VA

                            1 answer

                            • CUSTOMER CARE

                              A:

                              This Bosch Premium Oxygen Sensor, Part No. 15703 is an exact fit for your 1998 GMC Suburban K1500 with 5.7 liter engine. This part is for upstream side (ie; before catalytic converter) of the vehicle. For downstream side (ie; after catalytic converter), please check Bosch Premium Oxygen Sensor, Part No. 13474 which is an exact fit for your vehicle.
                              For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                              Answered on 3/11/2013 by Aaron from AAP
                          • Q:

                            How many o2 sensors are on my 1994 olds 98 3.8 liter and where are they located?
                            Asked on 2/15/2013 by captain bill from milford nh

                            1 answer

                            • CUSTOMER CARE

                              A:

                              With reference to your inquiry on the Bosch Premium Oxygen Sensor -part# 15703, the oxygen sensor on your 1994 Oldsmobile 98 should be located directly behind the engine off the top of the manifold exhaust pipe leading to the catalytic converter. Look behind the engine and you will see it there. For any further assistance, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                              Answered on 2/16/2013 by Vincent from AAP
                          • Q:

                            where is the location of bank2 sensor 1 on a gmc 5.0 engine
                            Asked on 12/14/2012 by joe

                            1 answer

                            • CUSTOMER CARE

                              A:

                              For further assistance regarding the location of bank2 sensor 1, please provide the year, make, model and engine size of your vehicle. For more information, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.

                              Answered on 12/15/2012 by Steve from AAP
                          • Q:

                            hi, i have a 98 chevy silverardo 4x4 with dual exaust an a 5.7L 350 an i need to know where bank two o2 sensor is located please
                            Asked on 12/10/2012 by paul from Maine

                            1 answer

                            • CUSTOMER CARE

                              A:

                              With reference to your inquiry on the Bank 2 Sensor (Bosch Premium Oxygen Sensor - Part No. 15703) on a 1998 Chevrolet Silverado the O2 sensors are in the following location: Bank 1 is always drivers side, Bank 2 always passenger side. Sensor 1 front either side, sensor 2 rear either side. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto store and one of our representatives will gladly assist you with any questions or concerns you may have.

                              Answered on 12/11/2012 by John the Car-Doc from AAP
                          • Q:

                            my blazer (97 4.6) has 4 sensors one on each side after exhaust manifold, one after the "Y" before cat.and one after cat. which sensor is bank 2 sensor 2? please help
                            Asked on 9/30/2012 by jay from springhill, fl

                            1 answer

                            • CUSTOMER CARE

                              A:

                              With reference to your inquiry on Bosch Premium Oxygen Sensor (Part No. 15703), a 1997 Chevrolet Blazer has 4 sensors - 2 on the "Y" pipe from the manifolds, and one before and after the cat. However they come as: Bank 1 Sensor 1, Bank 2 Sensor 1, Bank 1 Sensor 2 and Bank 1 Sensor 3. I have emailed a diagram for the sensors. For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto store and one of our representatives will gladly assist you with any questions or concerns you may have.

                              Answered on 10/1/2012 by John the Car-Doc from AAP
                          • Q:

                            What Oxygen Sensors do I need for a 97 Chevy Suburban K1500 5.7L? There are 3 sensors but which ones do I buy? Upstream? Downstream?
                            Asked on 9/4/2012 by Confused from Green Bay, WI

                            1 answer

                            • CUSTOMER CARE

                              A:

                              Unfortunately we are unable to diagnose what is wrong with your vehicle without being able to be there with your vehicle. However, I would suggest taking your vehicle to a certified mechanic for a proper diagnosis before buying and having parts installed that may not (solve/be) the problem.

                              Answered on 9/4/2012 by Aaron from AAP
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