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: 2004 GMC Yukon Iridium Long-Life™ Spark Plug
More Info
Vehicle Fitment
2004 GMC Yukon | All Trims | 8 Cyl 4.8L
2004 GMC Yukon | All Trims | 8 Cyl 5.3L
2004 GMC Yukon | All Trims | 8 Cyl 6.0L
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FAQ for Spark Plug Repair
Q: What is the first step for installing the spark plug?
A:
The first step is to correctly position the spark plug washer.
By Bob
GM Specialist
01/11/2022
Q: What is the removal procedure for the spark plug?
A:
The procedure is to remove the spark plug wire, loosen the spark plug 1 or 2 turns, blow away any dirt from around the spark plug and remove the spark plug.
By Bob
GM Specialist
01/11/2022
FAQ for Other Repair Info
Q: How do you remove the spark plug wire from the spark plug?
A:
You can twist the Spark Plug Wire boot a 1/2 turn and pull only on the boot to remove the wire from the spark plug.