- American made Oxygen Sensors for Indian motorcycles. Precision made for outstanding performance and manufactured to meet and exceed OEM specifications. Direct replacement for Indian 2012-2013 and other stock applications using p/n 4011853 - Direct fit, no modifications needed - Extra high temperature dual shield end - Improved engine performance - Meets OEM specifications - Replaces Indian® OE # 4011853 Fits: > Indian: 12-13 Chief Classic, Chief Darkhorse, Chief Vintage