L14-U Standard Spark Plug
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Denso L14-U Standard Spark Plug

Part No. 5000 Warranty Details  

Fit of this part varies by vehicle & equipment specs Type of Fit

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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Center Electrode Material:Ni
Thread Reach:12mm (.472")
Includes Gasket or Seal:Gasket
Seat Style:Gasket
Center Electrode Core Type:Copper
Rib Configuration:Five-rib design
Reach:12mm (.472")
Electrode Core:Copper
Terminal Top Fixed or Threaded:Removable
Hex Size:1" (25.4mm)
Number of Electrodes:0
Insulator Type:Purified alumina powder insulator
Ground Electrode:Pt
Heat Range:14
Tip Configuration:18x12 (Hex22.2)
Center Electrode Firing Tip:Ni
Gasket Installed or Loose:Installed
Center Electrode Tip:Ni
Thread Size/Diameter:18mm
Sealing Type:Copper-glass seal
Side Electrode:Ni
Shell Material:Steel alloy
Seat Type:Gasket
Thread Diameter:18mm
Electrode Tip:Ni
Resistor Type:5000 ohm
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