NGK SIFR6A11 / 0127 Spark Plug Iridium Ignition Replaces 22401-AA730

The NGK SIFR6A11 / 0127 Iridium Ignition Spark Plug delivers superior ignitability and longevity with the smallest tip diameter available. Its laser-welded iridium center electrode and platinum disc on the ground electrode provide a long life, reduced wear, and stable idle with excellent anti-fouling performance. This OEM-approved design features a 14.0 mm outer thread, 19 mm thread length, and a fixed SAE connector, ensuring fast starts, smoother acceleration, and improved fuel economy with lower emissions. Trivalent plating enhances corrosion resistance and anti-seize properties for reliable performance. Spanner size is 16 mm, with a 4 mm spark position. Always verify fitment against your vehicle’s specifications before ordering.