DENSO Iridium Long Life Spark Plugs

NGK spark plugs and DENSO spark plugs, plus those from Autolite, Bosch, and Champion, help maximize engine power and operating performance ride after ride. We carry thousands of spark plugs for everything from Chevy to Ford, Volkswagen to Toyota, all with a 100% fitment guarantee. Browse popular spark plugs including NGK Iridium, NGK Racing, NGK G-Power, and many more replacement spark plugs. Our top-grade Spark Plugs are the key to igniting your ride. Ensure they’re well protected in the Cylinder Head and properly connected via the Coil Boots when replacing them.

NGK spark plugs and DENSO spark plugs, plus those from Autolite, Bosch, and Champion, help maximize engine power and operating performance ride after ride. We carry thousands of spark plugs for everything from Chevy to Ford, Volkswagen to Toyota, all with a 100% fitment guarantee. Browse popular spark plugs including NGK Iridium, NGK Racing, NGK G-Power, and many more replacement spark plugs. Ensure they’re well protected in the Cylinder Head and properly connected via the Coil Boots when replacing them.

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  1. DENSO Spark Plug
    DENSO 5090 ZTJ16R10 Spark Plug
    Special Price $7.38 Regular Price $10.99
  2. DENSO Spark Plug
    DENSO 3324 SK16R11 Spark Plug
    Special Price $8.58 Regular Price $11.99
  3. DENSO Spark Plug
    DENSO Spark Plug for 2010 Volvo XC60 3.0L L6
    Special Price $10.93 Regular Price $15.99
  4. DENSO Spark Plug
    DENSO Spark Plug for 2012 Volvo C30 2.5L L5
    Special Price $11.32 Regular Price $15.99
  5. DENSO Spark Plug
    DENSO 3431 K20PSR-B8 Spark Plug
    Special Price $12.20 Regular Price $16.99
  6. DENSO Spark Plug
    DENSO 3395 SK16PR-L11 Spark Plug
    Special Price $12.20 Regular Price $16.99
  7. DENSO Spark Plug
    DENSO 3422 SKJ16DR-M11 Spark Plug
    Special Price $12.41 Regular Price $17.99
  8. DENSO Spark Plug
    DENSO 3444 SC20HR11 Spark Plug
    Special Price $12.61 Regular Price $17.99
  9. DENSO Spark Plug
    DENSO 3396 SKJ16CR-L11 Spark Plug
    Special Price $12.83 Regular Price $17.99
  10. DENSO Spark Plug
    DENSO 3432 SKJ20DR-M11S Spark Plug
    Special Price $12.83 Regular Price $17.99
  11. DENSO Spark Plug
    DENSO 3461 SXU22HCR11S Spark Plug
    Special Price $14.23 Regular Price $19.99
  12. DENSO Spark Plug
    2 pc DENSO 5090 ZTJ16R10 Spark Plugs
    Special Price $16.14 Regular Price $22.99
  13. DENSO Spark Plug
    2 pc DENSO 3297 SK20R11 Spark Plugs
    Special Price $18.67 Regular Price $26.99
  14. DENSO Spark Plug
    2 pc DENSO 3324 SK16R11 Spark Plugs
    Special Price $19.22 Regular Price $26.99
  15. DENSO Spark Plug
    2 pc DENSO 3353 SK16R-P11 Spark Plugs
    Special Price $19.22 Regular Price $26.99
  16. DENSO Spark Plug
    DENSO 3492 DXE22HQR-D11S Spark Plug
    Special Price $19.55 Regular Price $27.99
  17. DENSO Spark Plug
    2 pc DENSO 3421 SK20HR11 Spark Plugs
    Special Price $19.82 Regular Price $27.99
  18. DENSO Spark Plug
    2 pc DENSO 3417 SK16HR11 Spark Plugs
    Special Price $25.21 Regular Price $35.99
  19. DENSO Spark Plug
    2 pc DENSO 3499 SC16HR11 Spark Plugs
    Special Price $25.91 Regular Price $36.99
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Whether you are looking for a long-lasting performance spark plug, or one for everyday use, Sixity has the NGK, DENSO, and Champion spark plugs you need, at prices you will not find anywhere else.

Spark Plug Features

  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum
  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum
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