Denso KLP Three-Electrode Double-Needle Spark Plug High Quality Ignition Plug VFKBH20 5643 Original Replacement Type

Denso triple-electrode dual-needle spark plug, built to Denso OEM standards; iridium electrodes provide superior durability; triple-electrode dual-needle structure ensures stable ignition. Part number VFKBH20 5643; fits most Denso-equipped vehicles post-2000; verify thread size M14x1.25 and reach 26.5 mm. Function: provide precise ignition and reduce misfires; beneficial for fuel economy and cold starts. Installation difficulty medium; torque to standard; avoid over-tightening.