CV Performance
Improving the Performance of your Harley Motorcycle

O2 Sensors MAP SensorsFuel Injection Sensors  
Harley Oxygen Sensor

Oxygen Sensors for Harley motorcycles

Oxygen Sensors precision made for outstanding performance and manufactured to meet and exceed OEM specifications. Made in the U.S.A. We also stock O2 Sensors for other various makes including Buell, Indian, and Triumph motorcycles.

See Fitment Guide below.

Original Oxygen sensors can fail due to oil burning, carbon, contamination, or when a sensor reaches the end of it's service life, which can be between 60k-100k miles. While the only true method to find out if an O2 sensor is failing is by checking the onboard diagnostic codes, some signs of a faulty sensor may include:

  • Check engine light triggered by a trouble code.
  • Decreased gas mileage and performance.
  • Rough running that doesn't improve after changing spark plugs and plug wires.
  • Fouled spark plugs and an engine that runs rich (black smoke, carbon around the tailpipe).

Troubleshooting and installation should always be performed by a qualified technician. A poorly running or idling motorcycle is not always caused by faulty sensors. Be sure to verify any trouble codes or seek the advice of a qualified technician before purchasing. Electronic sensors may not be returned after they are opened so please verify part numbers first.

Note: Some models require different sensors on front and back head pipes. Oxygen sensors are sold each. Please verify correct fitment using the part number in your factory service manual. Returns or exchanges are not accepted on electrical or sensor parts once they are opened.

Not for sale or use in California

Oxygen Sensors for Harley, Buell, Indian and Triumph

CVP P/N OEM Number Model Year Position O2 Sensor Type
CVP-27690-08 27690-08,
27719-07
XL Sportster 2007-2013 Front or Rear 2 Wire, 18mm
CVP-32700006 32700006 XL Sportster 2014-2019 Rear 4 Wire, 12mm
CVP-32700026 32700026 XL Sportster 2014-2019 Front 4 Wire, 12mm
CVP-3270000532700005Milwaukee 8 (M8)2018-presentRear4 Wire, 12mm
CVP-3270004632700046 or 32700083Milwaukee 8 (M8)2018-presentFront4 Wire, 12mm
CVP-27690-08 27690-08,
27719-07
FLH, FLT Touring 2007-2008 Front or Rear 2 Wire, 18mm
CVP-27690-08 27690-08 FLH, FLT Touring 2009 Rear 2 Wire, 18mm
CVP-27683-07 27683-07 FLH, FLT Touring 2009 Front 2 Wire, 18mm
CVP-27809-10 27809-10 FLH, FLT Touring 2010-2017 Rear 4 Wire, 12mm
CVP-27729-10 27729-10 FLH, FLT Touring 2010-2017 Front 4 Wire, 12mm
CVP-27683-07 27683-07 FLST, FXST Softail 2007-2011 Front or Rear 2 Wire, 18mm
CVP-32700005 32700005 FLST, FXST Softail 2012-2017 Front 4 Wire, 12mm
CVP-32700006 32700006 FLST, FXST Softail 2012-2017 Rear 4 Wire, 12mm
CVP-27683-07 27683-07 FXD Dyna 2007-2011 Front or Rear 2 Wire, 18mm
CVP-32700005 32700005 FXD Dyna 2012-2017 Front 4 Wire, 12mm
CVP-32700006 32700006 FXD Dyna 2012-2017 Rear 4 Wire, 12mm
CVP-27683-07 27683-07 VRod 2007-2011 Front 2 Wire, 18mm
CVP-27703-08 27703-08 VRod 2007-2011 Rear 2 Wire, 18mm
CVP-32700005 32700005 VRod 2012-2017 Front 4 Wire, 12mm
CVP-32700006 32700006 VRod 2012-2017 Rear 4 Wire, 12mm
CVP-11001 S0130.02A8 Buell S3, X1, M2 1999-2002 Front or Rear
1 Wire
CVP-11001 S0130.02A8 Buell XB 2003-2007 Front or Rear
1 Wire
CVP-11001 S0130.02A8 Buell XB 2009-2010 Front only
1 Wire
CVP-11036 P0277.5AA Buell XB 2009-2010 Rear only 1 Wire
CVP-11002 Buell 1125R or 1125CR 2008-2010 Front or Rear
1 Wire
CVP-40118534011853Indian
Victory / Can-Am / Polaris / RZR
2012-2013 Indian
Others makes may vary
4 Wire, 18mm
CVP-40139794013979Indian
Victory / Polaris / RZR
2014-2019 Indian
Others makes may vary
4 Wire, 12mm
CVP-40160214016021Indian
Victory / Polaris / RZR
2014-2019 Inidan
Others makes may vary
4 Wire, 12mm
CVP-14024T2201347Triumph 600 seriesDaytona 600 2003-2005
Thunderbird 2010-2016
4 Wire
CVP-14019T2201344Triumph 
Daytona 1999-2006
Speed Triple 2010-2015
Sprint 1999-2004
Tiger 2002-2006
4 Wire
CVP-14005T2201671 or T2204061TriumphAmerica 2008-2016
Bonneville Newchurch 2014
Bonneville SE 2009-2013
Bonneville Steve McQueen 2012
Bonneville T100 2006-2015
Bonneville T120 2001-2015
Bonneville T214 2015
Daytona 2006-2017
Rocket III 2009
Scrambler 2006-2016
Speed Triple 1997-2019
Speedmaster 2007-2016
Sprint 1999-2012
Street Triple 2008-2019
Thruxton 2008-2018
Thunderbird 2017
Tiger 2007-2019
Tiger Explorer 2012-2017
Trophy 2013-2017
4 Wire


It is NEVER recommended to clean any sensors that has been fouled. When in doubt, always replace sensors that have triggered a trouble code or that begin showing signs of wear. Faulty sensors can often be the result of other mechanical issues.*

Not for use or sale in California


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American made Oxygen Sensors from Walker are precision made for outstanding performance and manufactured to meet and exceed OEM specifications. Direct replacement for 18mm 2007+ stock applications.* • Direct fit, no modifications needed • Extra high temperature dual shield end • Improved engine performance • Meets OEM specifications • Replaces Harley Davidson® OE # 27719-07 and 27690-08 *Please verify correct fitment as referenced in your factory service manual. Returns or exchanges are not...

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Not for sale or use in California 

* CV Performance is not a service or repair shop.

We are unable to provide technical assistance, advice, or troubleshoot repair conditions including ignition, electrical, engine issues, or provide advice on installing products. Any performance or replacement product sold is only designed to improve or restore the performance of the vehicle the part is intended for. Always consult the factory service manual and a qualified motorcycle technician. CV Performance does not make any guarantee that any product will repair or remedy any existing problem mechanical or otherwise. Emission related items are not available for sale in California.