2003 Chevy Trailblazer Ignition Relays, Sensors & Switches
Select Your Submodel
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iD Select® - Ignition Knock Sensor$31.47 - $44.21 + Save up to $3.00 with iD FastTrack -
iD Select® - Ignition Knock Sensor Connector$17.32 + Save an extra $1.00 with iD FastTrack -
iD Select® - Ignition Switch$40.09 + Save an extra $2.30 with iD FastTrack
