K20HR-U11 Standard Spark Plug
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Denso K20HR-U11 Standard Spark Plug

Part No. 3381 Warranty Details  
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Standard Plug with Patented U-Groove Design

Product Features:
  • Standard Plug with Patented U-Groove Design
  • 100% prefired to assure high quality
  • Copper-glass seal bonds the center electrode and insulator together for a gas-tight seal; maintains proper heat and excludes hot combustion gases
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
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Electrode Core Material:Copper
Electrode Tip Material:Nickle
Ground Strap Quantity:1
Insulator Type:Purified Alumina
Manufacturer Heat Range:20
Reach:1.04 in
Seat Type:Gasket
Thread Diameter:14 mm
Tip Configuration:Ni
Wrench Diameter:5/8 in
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