ACDELCO 41-993 Professional Iridium Spark Plug Key benefits - Iridium fine-wire electrode enables smaller, more efficient electrode designs for reliable cold starts and faster throttle response - Improves ignition of the fuel and helps burn carbon deposits at the spark tip, supporting cleaner combustion - Professional-grade replacement designed to deliver consistent performance over time Why this matters - Better ignition stability reduces misfires and enhances engine response in daily driving - Helps address carbon buildup at the spark end, contributing to steadier performance and smoother operation What you get and compatibility - Part number: 41-993 - Type: Spark plug with iridium electrode - Compatibility: Designed for vehicles that require the AC Delco 41-993 spark plug; verify fitment with your vehicle’s specifications or parts list Use scenarios - Routine maintenance for daily drivers requiring reliable cold starts and quick ignition - Engines prone to carbon buildup where cleaner, more efficient combustion is beneficial - Performance-minded driving where rapid spark delivery improves acceleration and responsiveness Installation and care notes - Ensure proper seating and torque according to vehicle manufacturer guidelines to maintain reliable electrical performance - Use as a direct replacement when the 41-993 part is specified for your engine model