NGK SILMAR8A9S (90992) Laser Iridium Spark Plug

NGK SILMAR8A9S (stock number 90992) is listed as a laser iridium spark plug. Compare the exact part number and product specifications with the manufacturer-recommended application before ordering.

Catalog technical specifications

  • Thread diameter: 10 mm
  • Thread reach: 26.5 mm
  • Hex size: 14mm
  • Seat type: SUS Gasket
  • Resistor type: Resistor
  • Projection: Non
  • Heat range: 8
  • Center electrode: Iridium
  • Ground electrodes: 1 Ground Electrode
  • Terminal type: Solid
  • Pre-set gap: 0.036 in
  • Thread pitch: 1 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) 10
Thread Reach (mm) 26.5
Hex Size (inch) 14mm
Seat Type SUS Gasket
Resistor Type Resistor
Projection Type Non
Heat Range 8
Center Electrode Type & Material Iridium
No. of Ground Electrodes 1 Ground Electrode
Terminal Type Solid
Pre-Set Gap (inch) 0.036"
Thread Pitch (mm) 1

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SILMAR8A9S (90992)

NGK / NTK PRODUCT DETAILS · U.S. STORE

  • Brand: NGK
  • Product Code: NGK-SILMAR8A9S (90992)
  • Availability: In Stock
Free shipping on U.S. orders over $69 · Prices in USD
  • $16.53

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

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