R3K12-78 Torch Spark Plug J Gap Electrode



Torch spark plug suitable for Cummins, Liebherr, Man, Wartsila engine application.

Technical specification:

  • Model: R3K12-78
  • Thread Size: M14x1.25
  • Reach: 19mm (3/4”)
  • Hex: 16mm (5/8”)
  • Seat Type: Gasket
  • Gap: 0.30mm
  • Heat Range: 78
  • Electrode Type: “J” Gap Electrode
  • Resistor: yes

Cross Reference:

  • Denso GK3-1
  • Denso GK3-5
  • Champion RC78PYP
  • Bosch 7321
  • Federal Mogul 14FR-4DPU0

Estimate available in 35 working days from Italy to Italy

This product may vary on delivery times, as factories do not guarantee production due to lack of raw materials.

Availability: Available on backorder SKU: R3K12-78 Categories: , Tags: , , , ,

Additional information

Weight0,06 kg
Application Engines

Cummins, Liebherr, Man, Wartsila



J Gap electrode

Hex Size

16 mm



Thread Size

M14 x 1,25 mm

Thread Reach

19 mm