Notes: Gap 0.040; Stock# 5090; Denso is OE Manufacturer / Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) w/Platinum Ground Strap
Center Electrode Core Material: Copper
Center Electrode Tip Material: Iridium-Rhodium Alloy
Ground Configuration: Standard
Ground Electrode Core Material: Nickel
Ground Electrode Quantity: 1
Ground Electrode Tip Design: Platinum Chip
Hex Size: 16.0
Manufacturer Heat Range: 16
Pre-Gap Size: 0.040
Reach: 18.00
Resistance: 5000
Seat Type: Tapered
UPC: 042511050907
Part Description: 2009 GMC Envoy Iridium Long-Life™ Spark Plug
More Info
Vehicle Fitment
2009 GMC Envoy | Denali | 8 Cyl 5.3L
FAQ for Spark Plug Repair
Q: What is the recommended torque for the bolts securing the spark plugs to the engine?
A:
The recommended torque is 18 Nm (13 lb-ft).
By Bob
GM Specialist
01/11/2022
Q: How do you install the Spark Plug?
A:
You need to measure the spark plug gap on the spark plugs to be installed. Compare the measurement to the gap specifications. Install the spark plugs to the engine and the ignition coils.
By Bob
GM Specialist
01/11/2022
FAQ for Other Repair Info
Q: What is the removal procedure for the Engine Oil and Oil Filter?
A:
Remove the oil fill cap, remove the oil pan drain plug and drain the oil into a suitable container, remove the Oil Filter using a suitable wrench, and inspect the old oil filter to ensure the filter seal is not left on the engine block.
Q: What kind of special tools will be used when removing the Heated Oxygen Sensor-Sensor 1?