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How Do I Find a Colder or Hotter Plug?

September 30, 2012

Denso indicates the heat range in the middle of the plug number.  For example, SK20PR-A11 has a heat range of 20.  The number at the end of the part indicates the gap.

Denso Iridium Power plugs feature the heat range at the end of the part number.  For example, IK20 has a heat range of 20.  Denso plugs get colder the higher the number, hotter the lower the number.  Starting with part # IK20 (heat range 20), a colder plug would be # IK22, a hotter plug would be # IK16.

Once you have decided on a number, test to see if it exists by typing it into the search box.  If it exists, you can add the part to your cart.  For additional assistance contact our tech team at 888-800-9629.

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