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1998 Mercedes Benz CLK320

Oxygen Sensors

Some telltale signs that your oxygen sensor is starting to fail include the check engine light coming on, poor fuel economy, and the engine running rough. Get a replacement as soon as you confirm that your oxygen sensor is bad. The great news is that here at CarParts.com, we have an oxygen sensor replacement for every application (upstream, downstream, before/after the catalytic converter, etc.). Choose from our wide range of high-quality O2 sensors manufactured by the most reputable names in the industry.
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Driver Side - Before Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 6 Cyl 3.2L
Part Number: RM96090013
Guaranteed to Fit
$22.63
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L
Product Details
Location : Driver Side - Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 32.28 in. Wire LengthInterchange Part Number : 25024143Warranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Returns Policy : 30-Day Return Policy
Front or Rear, Driver or Passenger Side Oxygen Sensor, Sold individually, 6 Cyl 3.2L, OE Replacement Series
Part Number: BS0258986505
Guaranteed to Fit
$65.48
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L
Product Details
Location : Front or Rear, Driver or Passenger SideQuantity Sold : Sold IndividuallyProduct Fit : Direct FitReplaces OE Number : 15738Warranty : 24-month limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : CarParts EuroSeries : OE Replacement Series
Upstream or Downstream, Driver or Passenger Side Oxygen Sensor, Sold individually, 4-wire, 6 Cyl 3.2L, OE Replacement Series - Upstream or Downstream, Driver or Passenger Side
Part Number: BS15738
Guaranteed to Fit
$58.99
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L
Product Details
Location : Upstream or Downstream, Driver or Passenger SideType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 26.8 in. Wire LengthInterchange Part Number : 15730, SG300Warranty : 1-year Bosch limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : CarParts EuroSeries : OE Replacement Series
Passenger Side, After Catalytic Converter Oxygen Sensor, Eng. Designation: 112.940, FI, Naturally Aspirated, GAS, Sold individually, 4-wire, 6 Cyl 3.2L, Walker Products Aftermarket Base Sensor
Part Number: WKP35034338
Guaranteed to Fit
$58.49
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L Eng. Designation: 112.940, FI, Naturally Aspirated, GAS
Product Details
Location : Passenger Side, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 24.02 in. Wire LengthWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Aftermarket Base Sensor
Driver Side, Before Catalytic Converter Oxygen Sensor, Eng. Designation: 112.940, FI, Naturally Aspirated, GAS, Sold individually, 4-wire, 6 Cyl 3.2L, Walker Products Aftermarket Base Sensor - Driver Side, Before Catalytic Converter
Part Number: WKP35034013
Guaranteed to Fit
$58.99
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L Eng. Designation: 112.940, FI, Naturally Aspirated, GAS
Product Details
Location : Driver Side, Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 32.28 in. Wire LengthWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Aftermarket Base Sensor
Driver Side, After Catalytic Converter Oxygen Sensor, Eng. Designation: 112.940, FI, Naturally Aspirated, GAS, Sold individually, 4-wire, 6 Cyl 3.2L, Walker Products Aftermarket Base Sensor
Part Number: WKP35034418
Guaranteed to Fit
$69.99
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L Eng. Designation: 112.940, FI, Naturally Aspirated, GAS
Product Details
Location : Driver Side, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 12.8 in. Wire LengthWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Aftermarket Base Sensor
Passenger Side - After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 6 Cyl 3.2L, Walker Products Original Equipment Base Sensor
Part Number: 25024419
Guaranteed to Fit
$65.49
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L
Product Details
Location : Passenger Side - After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 24.02 in. Wire LengthInterchange Part Number : 15730, SG300Warranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Original Equipment Base Sensor
Before or After Catalytic Converter Oxygen Sensor, O.E. Quality Universal Replacement Sensor, Sold individually, 4-wire, 6 Cyl 3.2L - Before or After Catalytic Converter
Part Number: NP2344201
Guaranteed to Fit
$77.99
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L O.E. Quality Universal Replacement Sensor
Product Details
Location : Before or After Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 11.7 in. Wire LengthReplaces OE Number : 9202721Interchange Part Number : 15730, SG300Warranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Passenger Side, Before Catalytic Converter Oxygen Sensor, Eng. Designation: 112.940, FI, Naturally Aspirated, GAS, Sold individually, 4-wire, 6 Cyl 3.2L, Walker Products Aftermarket Base Sensor
Part Number: WKP35034239
Guaranteed to Fit
$63.99
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L Eng. Designation: 112.940, FI, Naturally Aspirated, GAS
Product Details
Location : Passenger Side, Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 27.56 in. Wire LengthWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Aftermarket Base Sensor
Downstream, Passenger Side Oxygen Sensor, Sold individually, 4-wire, 6 Cyl 3.2L, OE Replacement Series
Part Number: BS15092
Guaranteed to Fit
$75.49
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L
Product Details
Location : Downstream, Passenger SideType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 24 in. Wire LengthInterchange Part Number : 15730, SG300Warranty : 1-year Bosch limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : CarParts EuroSeries : OE Replacement Series
Upstream, Passenger Side Oxygen Sensor, Sold individually, 4-wire, 6 Cyl 3.2L, OE Replacement Series
Part Number: BS15090
Guaranteed to Fit
$80.49
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L
Product Details
Location : Upstream, Passenger SideType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 26.4 in. Wire LengthInterchange Part Number : 15730, SG300Warranty : 1-year Bosch limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : CarParts EuroSeries : OE Replacement Series
Upstream, Driver Side Oxygen Sensor, Sold individually, 4-wire, 6 Cyl 3.2L, OE Replacement Series
Part Number: BS15088
Guaranteed to Fit
$76.99
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L
Product Details
Location : Upstream, Driver SideType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 33.3 in. Wire LengthInterchange Part Number : 13640Warranty : 1-year Bosch limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : CarParts EuroSeries : OE Replacement Series
Passenger Side - Before Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 6 Cyl 3.2L, Walker Products Original Equipment Base Sensor
Part Number: 25024411
Guaranteed to Fit
$71.99
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L
Product Details
Location : Passenger Side - Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 27.56 in. Wire LengthInterchange Part Number : 15730, SG300Warranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Original Equipment Base Sensor
Downstream, Driver Side Oxygen Sensor, Sold individually, 4-wire, 6 Cyl 3.2L, OE Replacement Series
Part Number: BS15094
Guaranteed to Fit
$89.49
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L
Product Details
Location : Downstream, Driver SideType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 13.4 in. Wire LengthInterchange Part Number : 15730, SG300Warranty : 1-year Bosch limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : CarParts EuroSeries : OE Replacement Series
After Catalytic Converter, Passenger Side Oxygen Sensor, O.E. Quality Replacement Sensor, Sold individually, 4-wire, 6 Cyl 3.2L
Part Number: NP2344178
Guaranteed to Fit
$85.49
Vehicle Fitment
  • 1998 Mercedes Benz CLK320 Base 6 Cyl 3.2L O.E. Quality Replacement Sensor
Product Details
Location : After Catalytic Converter, Passenger SideType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitInterchange Part Number : 15730, SG300Warranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Page 1 of 2 | Showing 1 - 15 of 29 results

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Shopping for Oxygen Sensor

Oxygen Sensor Shopping Info

What Is an Oxygen Sensor?

Modern vehicles are equipped with oxygen sensors, which monitor the amount of oxygen in the exhaust pipe. This part works with the engine control module to maintain your vehicle’s performance and keep its emissions in check.

How Much Does an Oxygen Sensor Replacement Cost?

Replacement oxygen sensors cost anywhere from $10 to $600 for the part alone. Factors that affect this part’s pricing include quantity, location, sensor type, and kit inclusions. Labor can cost you an additional $60 to $70, depending on where you live.

Shop for Aftermarket Oxygen Sensors on CarParts.com

Need to get an OE-grade oxygen sensor replacement fast? Here at CarParts.com, you don’t have to wait in line at a brick-and-mortar store just to get the part you need. With just a few clicks, you can get your orders delivered right to your doorstep in as fast as two business days.

Oxygen sensor replacements are typically sold individually, but you can also purchase them in sets of two or in kits that include catalytic converters. They’re also sold in a variety of inlet types and dimensions, so make sure to double-check if you’ve chosen a part with the right specifications.

With all these options and specifications to look out for, shopping for oxygen sensors can seem like an intimidating task. But with our user-friendly website, you can buy the right oxygen sensor in just a few clicks. Our products are manufactured in world-class facilities and have gone through strict tests to ensure their quality. This way, you can rest easy knowing that you’re getting high-quality products at unbeatable prices.

To view oxygen sensors and other compatible parts for your vehicle, use our vehicle selector tool and enter your vehicle’s specific year, make, and model. You can also indicate your preferences using our search filters. Buying oxygen sensors is easy and convenient here at CarParts.com. Shop now!

Helpful Automotive Resources

P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)P0141 is part of a family of codes listed as follows: P0141 – Sensor Heater Circuit Bank 1 Sensor 2 P0161 – Sensor Heater Circuit Bank 2 Sensor 2 P0135 – O2 Sensor Heater Circuit Bank 1 Sensor 1 P0155 – O2 Heater Circuit Bank 2, Sensor 1 Make sure you know bank 1 from
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3When there are only 3 O2 sensors it’s typically because there’s only one catalyst being monitored, and “Bank 1” is the default designation when there’s only one sensor in a category. Diagram showing 3 oxygen sensors | Image Source: Richard McCuistian
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)Due to this, the O2 sensor features an integrated heater circuit to bring it up to operating temperature after a cold start. When this circuit stops functioning properly, it can trigger a P0135. The oxygen sensor monitors your vehicle’s air-to-fuel ratio. What Does the P0135 Code Mean?