Prime Guard ACDE41101 Iridium Spark Plug - Cross Reference for ACDelco 41-101

The Prime Guard ACDE41101 is a premium iridium spark plug designed as a direct cross-reference replacement for the ACDelco 41-101 (part number 41101). Engineered to deliver reliable, consistent ignition performance, this plug is a quality aftermarket solution for a wide range of GM-platform vehicles including models from Buick, Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn.

Key Features:

• Iridium fine-wire electrode provides a high melting point and exceptional hardness for long-lasting durability and wear resistance
• Laser-welded iridium tip delivers precision welds that reduce debris and wear rate, extending plug service life
• Suppressor seal meters spark energy for extended electrode life, helps prevent combustion leakage, and blocks radio frequencies that can interfere with vehicle electronics
• Excellent cold-start performance — iridium construction enables a small, efficient electrode design for reliable ignition in cold conditions and quick acceleration response
• Self-cleaning electrode — iridium material helps burn away carbon deposits as they form on the tip
• Pre-gapped at 0.060 in. for simplified installation
• Cross-references: ACDelco 41-101, 41101, GM 12568387, 12681664

This iridium spark plug is engineered to provide improved combustion efficiency, optimized fuel economy, and reduced emissions compared to standard copper or platinum plugs. Iridium plugs are rated to last significantly longer than conventional designs, making this a cost-effective replacement at your next scheduled ignition service interval.