DPR8EA-9 Spark Plug NGK 4929 (DPR8EA9)

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This standard replacement spark plug is a staple for maintaining engine efficiency and starting reliability. The robust design features a copper core for better heat conduction, en suring the plug stays within its optimal operating temperature. Machine-rolled threads ensure easy installation and a secure seat in the head. External gasket provides a positive seal against combustion pressures. Internal resistor helps suppress ignition noise for clearer radio and electronic signals. Designed to resist chemical fouling and thermal shock during rapid temperature changes. Show more