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    $56.78
    GM Genuine Parts 213-3521 (12589867) Ignition Knock (Detonation) Sensor
    Amazon.com
    2K+
    Free shipping
    $56.78
    GM Genuine Parts 213-3521 (12589867) Ignition Knock (Detonation) Sensor
    Amazon.com
    $49.99
    Gm 12589867 Acdelco 213-3521 Sensor, Knock 1998-2007 Gm Replaces
    eBay
    23
    Free shipping
    $49.99
    Gm 12589867 Acdelco 213-3521 Sensor, Knock 1998-2007 Gm Replaces
    eBay
    $48.75
    $69.99
    NTK Ignition Knock Detonation Sensor For 2001-2002 GMC C3500HD 8.1L V8
    Sixity Auto
    30% off
    $48.75
    $69.99
    NTK Ignition Knock Detonation Sensor For 2001-2002 GMC C3500HD 8.1L V8
    Sixity Auto
    $49.75
    $70.99
    NTK Ignition Knock Detonation Sensor For 1999-2009 GMC C7500 Topkick 7.4L 8.1L V8
    Sixity Auto
    29% off
    $49.75
    $70.99
    NTK Ignition Knock Detonation Sensor For 1999-2009 GMC C7500 Topkick 7.4L 8.1L V8
    Sixity Auto
    $49.75
    $70.99
    NTK Ignition Knock Detonation Sensor For 2001-2003 GMC Sierra 2500 HD 8.1L V8
    Sixity Auto
    29% off
    $49.75
    $70.99
    NTK Ignition Knock Detonation Sensor For 2001-2003 GMC Sierra 2500 HD 8.1L V8
    Sixity Auto
    $37.29
    $52.99
    NTK Ignition Knock Detonation Sensor For 1994-1995 GMC C2500 4.3L V6
    Sixity Auto
    29% off
    $37.29
    $52.99
    NTK Ignition Knock Detonation Sensor For 1994-1995 GMC C2500 4.3L V6
    Sixity Auto
    $40.91
    $57.99
    2 Pc NTK Ignition Knock Detonation Sensors For 2007 GMC Sierra 1500 Classic 4.8L 5.3L V8
    Sixity Auto
    29% off
    $40.91
    $57.99
    2 Pc NTK Ignition Knock Detonation Sensors For 2007 GMC Sierra 1500 Classic 4.8L 5.3L V8
    Sixity Auto
    $37.29
    $52.99
    NTK Ignition Knock Detonation Sensor For 1994-1995 GMC C1500 4.3L V6
    Sixity Auto
    29% off
    $37.29
    $52.99
    NTK Ignition Knock Detonation Sensor For 1994-1995 GMC C1500 4.3L V6
    Sixity Auto
    $39.91
    $56.99
    NTK Ignition Knock Detonation Sensor For 1987-1991 GMC R3500 5.7L 7.4L V8
    Sixity Auto
    29% off
    $39.91
    $56.99
    NTK Ignition Knock Detonation Sensor For 1987-1991 GMC R3500 5.7L 7.4L V8
    Sixity Auto
    $39.11
    $55.99
    NTK Ignition Knock Detonation Sensor For 1988-2000 GMC C3500 5.7L 7.4L V8
    Sixity Auto
    30% off
    $39.11
    $55.99
    NTK Ignition Knock Detonation Sensor For 1988-2000 GMC C3500 5.7L 7.4L V8
    Sixity Auto
    $39.91
    $56.99
    NTK Ignition Knock Detonation Sensor For 1988-1999 GMC K1500 4.3L 5.7L V6 V8
    Sixity Auto
    29% off
    $39.91
    $56.99
    NTK Ignition Knock Detonation Sensor For 1988-1999 GMC K1500 4.3L 5.7L V6 V8
    Sixity Auto
    $39.91
    $56.99
    NTK Ignition Knock Detonation Sensor For 1987-1992 GMC G3500 4.3L 5.7L 7.4L V6 V8
    Sixity Auto
    29% off
    $39.91
    $56.99
    NTK Ignition Knock Detonation Sensor For 1987-1992 GMC G3500 4.3L 5.7L 7.4L V6 V8
    Sixity Auto
    $118.41
    $168.99
    2 Pc NTK Ignition Knock Detonation Sensors For 1999-2007 GMC Sierra 1500 5.3L 6.0L V8
    Sixity Auto
    29% off
    $118.41
    $168.99
    2 Pc NTK Ignition Knock Detonation Sensors For 1999-2007 GMC Sierra 1500 5.3L 6.0L V8
    Sixity Auto
    $40.91
    $57.99
    2 Pc NTK Ignition Knock Detonation Sensors For 2008-2014 GMC Savana 1500 5.3L V8
    Sixity Auto
    29% off
    $40.91
    $57.99
    2 Pc NTK Ignition Knock Detonation Sensors For 2008-2014 GMC Savana 1500 5.3L V8
    Sixity Auto
    $40.91
    $57.99
    2 Pc NTK Ignition Knock Detonation Sensors For 2006-2013 GMC Sierra 1500 4.8L 5.3L 6.0L 6.2L V8
    Sixity Auto
    29% off
    $40.91
    $57.99
    2 Pc NTK Ignition Knock Detonation Sensors For 2006-2013 GMC Sierra 1500 4.8L 5.3L 6.0L 6.2L V8
    Sixity Auto
    $39.11
    $55.99
    NTK Ignition Knock Detonation Sensor For 1988-2000 GMC K3500 5.7L 7.4L V8
    Sixity Auto
    30% off
    $39.11
    $55.99
    NTK Ignition Knock Detonation Sensor For 1988-2000 GMC K3500 5.7L 7.4L V8
    Sixity Auto
    $61.70
    $87.99
    NTK Ignition Knock Detonation Sensor For 1999-2007 GMC Sierra 1500 4.8L V8
    Sixity Auto
    29% off
    $61.70
    $87.99
    NTK Ignition Knock Detonation Sensor For 1999-2007 GMC Sierra 1500 4.8L V8
    Sixity Auto
    $118.41
    $168.99
    2 Pc NTK Ignition Knock Detonation Sensors For 1999-2004 GMC Sierra 2500 5.3L 6.0L V8
    Sixity Auto
    29% off
    $118.41
    $168.99
    2 Pc NTK Ignition Knock Detonation Sensors For 1999-2004 GMC Sierra 2500 5.3L 6.0L V8
    Sixity Auto