American made Oxygen Sensors for late model Indian motorcycles. Precision made for outstanding performance and manufactured to meet and exceed OEM specifications. Direct replacement for 12mm 2014+ stock applications using p/n 4016021 or 4013979.*
• Direct fit, no modifications needed
• Extra high temperature dual shield end
• Improved engine performance
• Meets OEM specifications
• Fits 2014-2019 Indian® motorcycle models
Replaces Indian® and Polaris® OE # 4016021 & 4013979
*Please verify correct fitment as referenced in your factory service manual. P/N 4013979 (obsolete) replaced by 4016021.
Returns or exchanges are not accepted on electrical or sensor items.
Replaces Indian OE p/n 4016021.
||O2 Sensor Type
||4 Wire, 12mm
*4013979 SUBSTITUTED BY 4016021