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1999 Mercedes Benz S420

1999 Mercedes Benz S420 Oxygen Sensors

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Before or After Catalytic Converter, Driver or Passenger Side Oxygen Sensor, 4-Wire, Heated
Part Number: ARBM960930
Guaranteed to Fit
$23.49
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L
Product Details
Location : Driver Side - After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024387Connector Gender : Female ConnectorWarranty : 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
Before or After Catalytic Converter, Driver or Passenger Side Oxygen Sensor, 4-Wire, Heated
Part Number: REPM960905
Guaranteed to Fit
$17.72
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L
Product Details
Location : Before Catalytic ConverterNotes : Heated; 4-wire; Planar design; 18.9 in. wire lengthType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 25024610Warranty : 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
Before and After Catalytic Converter Oxygen Sensors 4-wire - Before and After Catalytic Converter
Part Number: SET-ARBM960930-4
Guaranteed to Fit
$78.49
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L
Product Details
Location : Before and After Catalytic ConverterComponents : (4) Oxygen SensorType : 4-wireQuantity Sold : Set of 4Product Fit : Direct FitWarranty : 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
Oxygen Sensor Premium Universal (Heated 4 Wire) - Replaces OE Number 15738
Part Number: BS0258986505
Guaranteed to Fit
$65.48
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L
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 : European Vehicle PartsSeries : OE Replacement Series
Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP35034508
Guaranteed to Fit
$64.99
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L Eng. Designation: 119.981, FI, Naturally Aspirated, GAS
Product Details
Location : Passenger 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
Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: 25024609
Guaranteed to Fit
$63.49
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L 119.981 Engine, FI, Naturally Aspirated, GAS
Product Details
Location : After Catalytic Converter, Passenger SideNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 in. Wire LengthInterchange Part Number : 25617Warranty : 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
OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS15738
Guaranteed to Fit
$60.49
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L
Product Details
Location : Upstream; 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 : European Vehicle PartsSeries : OE Replacement Series
Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP35034380
Guaranteed to Fit
$56.99
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L Eng. Designation: 119.981, FI, Naturally Aspirated, GAS
Product Details
Location : Driver Side, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 24.8 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
Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344172
Guaranteed to Fit
$70.99
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L O.E. Quality Replacement Sensor
Product Details
Location : After Catalytic Converter, Passenger SideType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 13782, 2344212Warranty : 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.

Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344175
Guaranteed to Fit
$72.49
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L O.E. Quality Replacement Sensor
Product Details
Location : Before or After Catalytic Converter, Driver SideType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 25024609, 25617Warranty : 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.

Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: 25024387
Guaranteed to Fit
$61.99
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L
Product Details
Location : Driver Side - After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 24.8 in. Wire LengthInterchange Part Number : ARBM960930Warranty : 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
Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP35034186
Guaranteed to Fit
$53.49
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L Eng. Designation: 119.981, FI, Naturally Aspirated, GAS
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 18.9 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
Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: 25024610
Guaranteed to Fit
$66.49
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 18.9 in. Wire LengthInterchange Part Number : REPM960905Warranty : 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
OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS13798
Guaranteed to Fit
$70.49
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L
Product Details
Location : Downstream, Driver SideType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 22.8 in. Wire LengthInterchange Part Number : ARBM960928, 2344172, 25024469Warranty : 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 : European Vehicle PartsSeries : OE Replacement Series
Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344201
Guaranteed to Fit
$77.99
Vehicle Fitment
  • 1999 Mercedes Benz S420 Base 8 Cyl 4.2L 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.

Page 1 of 3 | Showing 1 - 15 of 35 results

Top Rated Products

Not only was the parts reasonable but fast delivery and quality parts. I'll be back fSee More
Peter R.
VERIFIED PURCHASER
I mean it was just what I needed fit good and got rid of my backfire problem so I higSee More
Bryan C.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

Q:How many o2 sensors do I need, 2004 BMW 325 ci?
JOHN T.
A:BEST ANSWERHi John, I'm glad to help you out. You need a total of 4 sensors. 2 upstream and 2 downstream. This sensor is for the downstream ports. Use the link below to order the part and take advantage of our 30-day price match guarantee. I hope this helps. Happy shopping. https://www.carparts.com/oxygen-sensor/denso/np2344201?can=cpab2020 Show less
Andrew B.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

P2187 Code: System too Lean at Idle (Bank 1)
P2187 Code: System too Lean at Idle (Bank 1)Note that there is only one bank if your car has a straight engine and the scan tool will always refer to that bank as “Bank 1.” P2187 code indicates that your vehicle’s computer detected a potential issue with the fuel mixture at idle.
P2270 Code: O2 Sensor Signal Biased / Stuck Lean (Bank 1, Sensor 2)
P2270 Code: O2 Sensor Signal Biased / Stuck Lean (Bank 1, Sensor 2)Bank 1 is where the #1 spark plug is. O2 sensor 1/1 is the upstream sensor on Bank 1 (different for a Ford than for a Chevy or a Dodge), and O2 sensor 1/2 is the downstream sensor on Bank 1. O2 2/1 is upstream on Bank 2 and O2
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)With that in mind, it’s important to note that Bank 1 is always where the number 1 cylinder is located. Thus, on Ford pickups, Bank 1 is the passenger side bank, but on Chevy and Dodge pickups, Bank 1 is the driver side bank. You need to know this, or
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3Bank 1 is the side of the engine where the #1 cylinder is located. P0042 code is set when your car’s PCM determines a potential problem with the heater element circuit of the oxygen sensor.
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)Diagnostic trouble code (DTC) P0135 stands for “Oxygen O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1).” It is set when the car’s primary computer—also called the powertrain control module or PCM—determines that the heated oxygen sensor (HO2S) 1 heater current is higher or lower than the ideal amp for
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)The Bank 1 portion of the code refers to the side of the engine with the number one cylinder. Sensor 1 refers to the upstream O2 sensor.