Search by spark plug manufacturer

Search for DENSO spark plugs by spark plug manufacturer.


Click on the part number of each plug for detailed specifications.
SR20 ISO IK20 IK20 VK20
SR20 JIS IQ20 IQ20 VQ20
SR22 ISO IK22 IK22 VK22
SR22 ISO(PRO) IK22 IK22 VK22
SR22 JIS IQ22 IQ22 VQ22
SR22 JIS(PRO) IQ22 IQ22 VQ22
SR24 ISO IK24 IK24 -
SR24 ISO(PRO) IK24 IK24 -
SR24 JIS IQ24 IQ24 -
SR24 JIS(PRO) IQ24 IQ24 -
SR27 ISO IK27 IK27 -
SR27 ISO(PRO) IK27 IK27 -
SR27 JIS IQ27 IQ27 -
SR27 JIS(PRO) IQ27 IQ27 -
SR31 ISO(PRO) IK31 IK31 -
SR31 JIS(PRO) IQ31 IQ31 -


  • * Use IXU22I and VXU22I with 3SZ-VE engine.
  • (*3) MITSUBISHI lean burn excluded.
  • (*6) Purchase via DAIHATSU.
  • (*8) Purchase via Mazda.
  • (1) This comparison chart does not guarantee capability with any vehicle. Please use it for reference only.
  • (2) Plug specifications (design, materials, etc.) varies according to manufacturer.
  • (3) Choose your plug model by referring to the vehicle model compatibility table.
  • (4) When choosing a plug model for tuning vehicles and vehicles not listed in the vehicle model compatibility chart, the customer is responsible for determining the correct plug.