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Genuine ACDelco For Chevy SSR/Trailblazer 2003 2004 Knock Sensor Connector 1Wire

For 2003-2005 Chevrolet Trailblazer EXT Knock Sensor API 42881FJZH 2004

Knock Sensor 84QFBK27 for Chevy Trailblazer EXT Colorado 2005 2003 2004 2006

For 2003-2005 Chevrolet Trailblazer EXT Knock Sensor Delphi 76734ZP 2004

For 2003-2005 Chevrolet Trailblazer Knock Sensor 12383YSZY 2004

For 2003-2005 Chevrolet Trailblazer Knock Sensor 92677FBMJ 2004