$33.58
Resistor Plug: Yes
Center Electrode Material: Iridium
Thread Reach: 0.748"
Hex Size (mm): 16 mm
Hex Size: 3/5"
Ground Electrode Quantity: 1
Gap: 0.028"
Spark Plug Seat Style: Gasket
Thread Diameter: 0.551"
Resistance: 3-7.5 kOhm
Insulator Height: 1.988"
Center Electrode Core Material: Copper
Ground Configuration: Single
Ground Electrode Core Material: Nickel Alloy
Ground Electrode Tip Design: Single Prong Electrode
Iridium is one of the hardest metals used in spark plugs today, which allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration
Latest evolution in high-performance plug electrode material
Improved cold-starting and acceleration characteristics
Reduced ignition-system voltage demand saves wear and tear
New-vehicle applications using iridium plugs continue to increase
Condition:
Brand: Brand: ACDelco Professional
SKU SKU: 41-121-4K
Mfg Part #: 41-121
Pack of 4 - 12681656 Professional Iridium Spark Plug (41-121) by ACDelco. Step up to the latest spark plug technology with ACDelco’s Professional Iridium Spark Plugs. Designed to last more than 100,000 miles in most applications, ACDelco Iridium Plugs are the ideal replacement for today’s top-performing vehicles.
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