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Oxygen Sensor - 4-Wire, Heated
Replacement
Part Number: USOS-4000
Vehicle Info Required to Guarantee Fit
$22.86
Vehicle Fitment
  • 2007 - 2008 Audi RS4 All Submodels All Engines
Product Details
Notes : Heated; Designed to fit screw-in type bungs; May not fit with flanges; Includes Butt type connectors, without plugType : 4-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleWarranty : 1-year 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.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 2
Replacement
Part Number: SET-USOS-4000-2
Vehicle Info Required to Guarantee Fit
$43.44
Vehicle Fitment
  • 2007 - 2008 Audi RS4 All Submodels All Engines
Product Details
Notes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleWarranty : 1-year 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.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 3
Replacement
Part Number: SET-USOS-4000-3
Vehicle Info Required to Guarantee Fit
$65.15
Vehicle Fitment
  • 2007 - 2008 Audi RS4 All Submodels All Engines
Product Details
Notes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (3) Oxygen SensorsType : 4-wireQuantity Sold : Set of 3Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleWarranty : 1-year 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.

Universal Oxygen Sensor, Heated, 4-Wire, Set of 4
Replacement
Part Number: SET-USOS-4000-4
Vehicle Info Required to Guarantee Fit
$86.87
Vehicle Fitment
  • 2007 - 2008 Audi RS4 All Submodels All Engines
Product Details
Notes : Designed to fit screw-in type bungs; May not be compatible with flangesComponents : (4) Oxygen SensorsType : 4-wireQuantity Sold : Set of 4Recommended Use : OE ReplacementProduct Fit : UniversalWire Length : 5.91 in. Wire LengthMounting Style : Threaded-in Mounting StyleWarranty : 1-year 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.

Oxygen Sensor - Sold individually
Walker Products®
Part Number: WKP25024699
Vehicle Info Required to Guarantee Fit
$62.32
Vehicle Fitment
  • 2007 - 2008 Audi RS4 Base 8 Cyl 4.2L
  • 2008 Audi RS4 Cabriolet 8 Cyl 4.2L
Product Details
Location : Passenger Side - After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : Direct FitWire Length : 20.67 in. Wire LengthAnticipated Ship Out Time : 3-4 business daysWarranty : 90-day Walker limited warranty
Oxygen Sensor - Sold individually
Walker Products®
Part Number: WKP25024954
Vehicle Info Required to Guarantee Fit
$82.32
Vehicle Fitment
  • 2007 - 2008 Audi RS4 Base 8 Cyl 4.2L
  • 2008 Audi RS4 Cabriolet 8 Cyl 4.2L
Product Details
Location : Driver Side - After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : Direct FitWire Length : 26.57 in. Wire LengthAnticipated Ship Out Time : 3-4 business daysWarranty : 90-day Walker limited warranty
Oxygen Sensor - Sold individually
Walker Products®
Part Number: WKP25025028
Vehicle Info Required to Guarantee Fit
$120.91
Vehicle Fitment
  • 2007 - 2008 Audi RS4 Base 8 Cyl 4.2L
  • 2008 Audi RS4 Cabriolet 8 Cyl 4.2L
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : Direct FitWire Length : 66.93 in. Wire LengthAnticipated Ship Out Time : 3-4 business daysWarranty : 90-day Walker limited warranty
Oxygen Sensor - Sold individually
Walker Products®
Part Number: WKP35034020
Vehicle Info Required to Guarantee Fit
$54.38
Vehicle Fitment
  • 2007 - 2008 Audi RS4 Base 8 Cyl 4.2L
  • 2008 Audi RS4 Cabriolet 8 Cyl 4.2L Eng. Designation: BNS, FI, Naturally Aspirated, GAS
Product Details
Location : Passenger Side, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : Direct FitWire Length : 20.67 in. Wire LengthAnticipated Ship Out Time : 3-4 business daysWarranty : 90-day Walker limited warranty
Oxygen Sensor - Sold individually
Walker Products®
Part Number: WKP35034543
Vehicle Info Required to Guarantee Fit
$70.07
Vehicle Fitment
  • 2007 - 2008 Audi RS4 Base 8 Cyl 4.2L
  • 2008 Audi RS4 Cabriolet 8 Cyl 4.2L Eng. Designation: BNS, FI, Naturally Aspirated, GAS
Product Details
Location : Driver Side, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : Direct FitWire Length : 26.57 in. Wire LengthAnticipated Ship Out Time : 3-4 business daysWarranty : 90-day Walker limited warranty
Oxygen Sensor - Sold individually
Walker Products®
Part Number: WKP35035056
Vehicle Info Required to Guarantee Fit
$120.91
Vehicle Fitment
  • 2007 - 2008 Audi RS4 Base 8 Cyl 4.2L
  • 2008 Audi RS4 Cabriolet 8 Cyl 4.2L Eng. Designation: BNS, FI, Naturally Aspirated, GAS
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : Direct FitWire Length : 66.93 in. Wire LengthAnticipated Ship Out Time : 3-4 business daysWarranty : 90-day Walker limited warranty
Oxygen Sensor - Sold individually
Bosch®
Part Number: BS15733
Vehicle Info Required to Guarantee Fit
$58.85
Vehicle Fitment
  • 2007 - 2008 Audi RS4 Base 8 Cyl 4.2L
  • 2008 Audi RS4 Cabriolet 8 Cyl 4.2L For Cylinders 1-8
Product Details
Location : After Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : Direct FitWire Length : 24 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeAnticipated Ship Out Time : Same day - 1 business dayWarranty : 1-year Bosch limited warranty
Oxygen Sensor - Sold individually
Bosch®
Part Number: BS16136
Vehicle Info Required to Guarantee Fit
$103.17
Vehicle Fitment
  • 2007 - 2008 Audi RS4 Base 8 Cyl 4.2L
  • 2008 Audi RS4 Cabriolet 8 Cyl 4.2L For cylinders 5-8
Product Details
Location : DownstreamType : 4-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : Direct FitWire Length : 29.5 in. Wire LengthAnticipated Ship Out Time : Same day - 1 business dayWarranty : 1-year Bosch limited warranty
Oxygen Sensor - Sold individually
Bosch®
Part Number: BS17363
Vehicle Info Required to Guarantee Fit
$107.13
Vehicle Fitment
  • 2007 - 2008 Audi RS4 Base 8 Cyl 4.2L
  • 2008 Audi RS4 Cabriolet 8 Cyl 4.2L Convertible, Sedan; For Cylinders 1-4
Product Details
Location : UpstreamType : 5-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : Direct FitWire Length : 59.06 in. Wire LengthAnticipated Ship Out Time : Same day - 1 business dayWarranty : 1-year Bosch limited warranty
Oxygen Sensor - Sold individually
Delphi®
Part Number: DELES20374
Vehicle Info Required to Guarantee Fit
$113.23
Vehicle Fitment
  • 2007 - 2008 Audi RS4 Base 8 Cyl 4.2L
  • 2008 Audi RS4 Cabriolet 8 Cyl 4.2L Cylinders 5, 6, 7, 8
Product Details
Location : RearType : 4-wireQuantity Sold : Sold individuallyRecommended Use : OE ReplacementProduct Fit : Direct FitWire Length : 31.5 in. Wire LengthAnticipated Ship Out Time : Same day - 1 business dayWarranty : 1-year or 12,000-mile Delphi limited warranty
Oxygen Sensor - Sold individually
Autometer®
Part Number: A485316
Universal Fit
$169.95
Product Details
Notes : Wide BandType : 3-wireQuantity Sold : Sold individuallyProduct Fit : UniversalAnticipated Ship Out Time : 7-8 business daysWarranty : 1-year Autometer 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 4 | Showing 1 - 15 of 57 results

Audi RS4 Oxygen Sensor Customer Reviews

Works great ty 👍👍
Joseph Stamer
VERIFIED PURCHASER
Purchased on Jun 24, 2020
Oxygen Sensor - 4-Wire, Heated
Jun 26, 2020
Great parts, but ripped off on installation at BrakeMasters
Very happy with both the items you sent me, exactly what I ordered and fast delivery. I got both the "before" and "after" catalytic converter sensors, since the mechanic at BrakeMasters wasn't sure which one was causing the engine light. I told them to fix whichever it was - but the price the quoted me for a factory original sensor was $250.00 (!!) so I ordered these on-line from you, with their approval, and dropped them off. However, they later told my wife that neither unit would fit my 2012 Kia Sportage - some nonsense about "California Emission standards" (we live in Arizona and I bought the new car here). She didn't understand the details, and told them to get one that did fit and install it. When I picked up the car, the bill was $352.00!! And when they gave me the parts back, only the "after converter" unit had been opened - the other was still sealed in the packaging. Yet it was that one - the "before" unit - that they had replaced. They wrote on the Invoice that the parts I supplied didn't fit - now I'm going to have to return them to you, but not until I sort this out with BrakeMasters, where I've been a customer for almost 20 years. Wish me luck.
sid stephen
VERIFIED PURCHASER
Purchased on Jun 10, 2020
I'm a little confused!!!! I installed the o2 sensor and I still have the same problem. I might need the air injection pump to complete my mission.
Ronald Thompson
VERIFIED PURCHASER
Purchased on May 22, 2020
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