NGK TR7IX (3690) Iridium IX Spark Plug

NGK TR7IX (stock number 3690) is a iridium ix spark plug. The technical specifications below are taken from the product catalog.

Product specifications

  • Thread diameter: 14 mm
  • Thread reach: 17.5 mm
  • Hex size: 5/8"
  • Seat type: Tapered
  • Heat range: 7
  • Center electrode: Iridium
  • Ground electrodes: 1 Ground Electrode
  • Terminal type: Solid
  • Pre-set gap: 0.040 in
  • Thread pitch: 1.25 mm

Before ordering, verify the part number and vehicle application with the official NGK Part Finder. No vehicle fitment is assumed from these specifications.

Technical Specs
Thread Size (mm) 14
Thread Reach (mm) 17.5
Hex Size (inch) 5/8"
Seat Type Tapered
Resistor Type Resistor
Projection Type Extended
Heat Range 7
Center Electrode Type & Material Iridium
No. of Ground Electrodes 1 Ground Electrode
Terminal Type Solid
Pre-Set Gap (inch) 0.040"
Thread Pitch (mm) 1.25

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TR7IX (3690)

NGK / NTK PRODUCT DETAILS · U.S. STORE

  • Brand: NGK
  • Product Code: NGK TR7IX (3690)
  • Availability: In Stock
Free shipping on U.S. orders over $69 · Prices in USD
  • $9.40

Check compatibility: Confirm the NGK/NTK part number and vehicle application before placing your order.

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