12120037244 ZGR6STE2

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Heavy duty yttrium-enhanced center electrode with copper core provides superior reliability and durability. Tapered cut nickel chromium ground electrode assists in cold weather starts and provides increased ignitability. Nickel-plated rolled threads provide anti-seize and corrosion protection. Metal glass fused resistor gives maximum interference suppression. Angular, 5-rib insulator design prevents flashover.


  • Thread Size: 12mm
  • Thread Pitch: 1.25mm
  • Seat Type: Gasket
  • Resistor Value: 6K Ohm
  • Reach: 26.5mm (1.04″)
  • Hex Size: 14mm Bi-Hex
  • Terminal Type: Solid
  • Gap: .028″ (0.7mm)

Center Electrode

  • Material: Nickel
  • Type: Standard
  • Size: 2.5mm
  • Projection: Projected

Ground Electrode

  • Material: Nickel
  • Type: Multi-Ground
  • Quantity: 3


  • Warranty: Satisfaction Guarantee
  • Torque Specs: Cast Iron: 11-18 lb. ft. Aluminum: 11-15 lb. ft.
  • Heat Range: 6
  • Longevity: 30k Miles
  • Resistor: Yes

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