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NGK LMAR9AI-10 (93188) - Laser Iridium Spark Plug / Sparkplug

NGK LMAR9AI-10 (93188) - Laser Iridium Spark Plug / Sparkplug


NGK Spark Plug LMAR9AI-10 (NGK - Single



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NGK LMAR9AI-10 (93188) - Laser Iridium Spark Plug / Sparkplug

General Details:

Spanner Size14 mm
External Thread [mm]10,0
Thread Length [mm]26,5
Spark PlugFixed SAE connector
Spark Position [mm]2,0
Spark PlugIridium Middle Electrode
Spark Plug1 - Earthed Electrode
Spark Pluginterference Suppression 5 kOhm
Spark Plugwith gasket seat

Additional Images:

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Laser Iridium spark plugs provide superior ignitability and long service life. The smallest tip diameter available ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions.

NGK is the brand leader in the UK spark plug market and are the world's biggest supplier to many major car manufacturers. Each and every one of their products are designed to meet the most rigorous standards and are the professionals' choice because of their quality and technical excellence. Their plugs can be found in use by teams in F1, WRC and MotoGP. Put simply, NGK genuine spark plugs are the workhorse at the heart of smooth-running engines around the world.

NGK Laser Iridium Spark Plugs feature a laser welded iridium center electrode tip which ensures high durability and a greater spark while the platinum disc welded to the backside of the ground electrode provides a longer life. The longer insulator nose prevents fouling, the corrugated ribs on the insulator prevents flashover and the triple gasket seal eliminates combustion gas leakage.

To find the correct spark plugs for your vehicle please use our online lookup or contact us for more help.

Spark Plug Health Check

Use Spark Plugs To Check Your Engine Health
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Heat Ranges Explained

Learn what a spark plugs heat range means, and how it can effect your engine
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Heat Cross Reference

Use our spark plug heat range cross reference table
Cross Reference Heat Range


  • Laser welded Iridium centre electrode tip
  • Platinum disc welded to backside of ground electrode provides long life
  • Trivalent Metal Plating for superior anti-corrosion and anti-seizing
  • Faster starts and quicker acceleration
  • Better fuel economy and lower emissions
  • Best OEM Iridium spark plug available
  • Original Equipment Manufacturer approved design

Technical Information:

  • Thread Size: 10mm (3/8")
  • Hex Size: 14mm (9/16")
  • Reach: 26.5mm (1 1/16")

PDF Downloads:

Download the Technical PDF

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