Notes: Gap 0.040; 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: 2010 Chevrolet Express 3500 Iridium Long-Life™ Spark Plug
More Info
Vehicle Fitment
2010 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
2010 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
FAQ for Spark Plug Repair
Q: What is the installation procedure for the spark plug?
A:
The procedure is to inspect each spark plug gap, hand start the spark plugs in the corresponding cylinders, tighten the spark plugs, and then install the spark plug wires.
By Bob
GM Specialist
01/11/2022
Q: How do you remove the spark plug?
A:
You need to remove the spark plug wires, loosen each spark plug 1 or 2 turns, brush or air blast away any dirt from around the spark plugs, and then remove the spark plugs one at a time.
By Bob
GM Specialist
01/11/2022
Q: What is the recommended torque for the spark plugs for used heads?
A:
The recommended torque is 15 Nm (11 lb-ft).
By Bob
GM Specialist
01/11/2022
Q: What is the recommended torque for the spark plugs for new aluminum heads?
A:
The recommended torque is 20 Nm (15 lb-ft).
By Bob
GM Specialist
01/11/2022
Q: What is the recommended torque for the spark plugs for new iron heads?
A:
The recommended torque is 30 Nm (22 lb-ft).
By Bob
GM Specialist
01/11/2022
FAQ for Other Repair Info
Q: How do you remove the spark plug wire replacement?
A:
You need to remove the engine cover, and then disconnect the Spark Plug Wire at each spark plug and the spark plug wire from the ignition coil.