NGK ZGR5A-4 (90178) Standard Spark Plug

NGK ZGR5A-4 (stock number 90178) is listed as a standard spark plug. Compare the exact part number and product specifications with the manufacturer-recommended application before ordering.

Catalog technical specifications

  • Thread diameter: 14 mm
  • Thread reach: 19 mm
  • Hex size: 13/16"
  • Seat type: Gasket
  • Resistor type: Resistor
  • Projection: Projected
  • Heat range: 5
  • Center electrode: Nickel w/ V-groove
  • Ground electrodes: 1 Ground Electrode
  • Terminal type: Solid
  • Pre-set gap: 0.016 in
  • Thread pitch: 1.25 mm

Confirm compatibility and the exact part number using the official NGK/NTK Part Finder before ordering. No vehicle fitment is inferred from this listing.

Technical Specs
Thread Size (mm) 14
Thread Reach (mm) 19
Hex Size (inch) 13/16"
Seat Type Gasket
Resistor Type Resistor
Projection Type Projected
Heat Range 5
Center Electrode Type & Material Nickel w/ V-groove
No. of Ground Electrodes 1 Ground Electrode
Terminal Type Solid
Pre-Set Gap (inch) 0.016"
Thread Pitch (mm) 1.25

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ZGR5A-4 (90178)

NGK / NTK PRODUCT DETAILS · U.S. STORE

  • Brand: NGK
  • Product Code: NGK-ZGR5A-4 (90178)
  • Availability: In Stock
Free shipping on U.S. orders over $69 · Prices in USD
  • $7.64

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

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