2004 GMC Envoy Ignition Knock (Detonation) Sensors
Save up to 40% on original replacement 2004 GMC Envoy Ignition Knock (Detonation) Sensors. Navigate our online catalogue to find Ignition Knock (Detonation) Sensors and other parts designed specifically to fit a 2004 GMC Envoy.








Ignition Knock (Detonation) Sensor
$49.05
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);






Ignition Knock (Detonation) Sensor
$49.93
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Saturday Sep. 20th
Pick-Up: Ready in 1 Hour Saturday Sep. 20th
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);







Ignition Knock (Detonation) Sensor
$44.98
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);





Ignition Knock (Detonation) Sensor
$39.29
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);

Ignition Knock (Detonation) Sensor
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Engine Base: 4.2L 256ci L6 (3.66x4.00; 93.0x102.0);
Vehicle Fitment Notes:
Ignition Knock Sensor
Ignition Knock Sensor