ACDelco 41-993 Professional Iridium Spark Plug

The ACDelco 41-993 Professional Iridium Spark Plug is a high-quality replacement for many vehicles on the road today, featuring the latest in spark plug technology with iridium composition that provides a high melting point, great strength, and excellent wear resistance and durability. This spark plug features a copper core center electrode with an iridium tip, making it an ideal replacement for your vehicle's original components.

Key Features:

• Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form
• One-piece suppressor seal blocks radio frequencies that can affect vehicle electronics and meters spark energy for long electrode life
• Three-piece fired-in suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage
• Iridium plugs are laser-welded which provides precision welds, reduces excess debris and wear rate, thus increasing durability
• Small, efficient electrode design for reliable cold starting and quick acceleration
• Engineered to offer excellent engine idling stability and smooth performance
• Resistor type helps reduce electromagnetic interference

These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. This plug also cross-references to GM OEM part number 19256067.