Major sparkplug product lineup

Cars & trucks plugs

Long-reach plug
  • φ14×L26.5×16
  • TOYOTA
ISO-compatible small hex plug
  • Compatible with ISO standards
    * SKJ20DR-M11S with stainless steel gasket
  • φ14×L19×16
  • TOYOTA, and others
Small hex plug
  • By reducing the hex size (16 mm), this plug is lighter in weight.
  • φ14×L19×16
  • TOYOTA, and others
Extended shroud plug
  • φ14×L19×16
  • HONDA
Extended plug
  • KJ20CR11: no U-Groove
    KJ20CR-U: with U-Groove
  • φ14×L19×16
  • MAZDA, MITSUBISHI
Extended plug
  • The tip of the ground electrode has a taper-cut, and the center electrode is made finer for improved ignitability.
  • φ14×L19×16
  • HONDA
Double-electrode semi-surface plug
  • With this new supplementary gap, resistance to fouling is improved.
  • φ14×L19×20.6
  • TOYOTA, DAIHATSU
Triple-electrode plug
  • Durability is improved with three ground electrodes.
  • φ14×L19×16 (K22PB)
  • AUDI / VW / CITROEN / FIAT / MERCEDES-BENZ / RENAULT
φ12 long-reach plug
  • φ12×L26.5×16
  • DAIHATSU
φ12 plug
  • By reducing the hex size (16 mm), this plug may be used in light vehicles. Thread diameter is 12 mm.
  • φ12×L19×16
  • SUZUKI / MITSUBISHI
φ12 long-reach plug with 14 mm hex size
  • φ12×L26.5×14
  • RENAULT
Taper seat plug
  • This plug may be installed only in non-Japanese cars and has no gasket.
  • φ14×L17.5×16
  • GM, Ford

Actual products may differ from images shown.