The NGK Spark Plugs LMAR9AI-10 spark plug is designed to provide dependable ignition performance and consistent engine operation. Manufactured by NGK Spark Plugs, this spark plug features a trivalent metal-plated shell that helps resist corrosion and seizing, supporting easier service and long-term durability. The vendor part number is 93188, making it easy to identify when selecting a replacement for compatible applications.
A pure alumina silicate ceramic insulator provides excellent mechanical strength and efficient heat transfer, while the copper core helps remove heat from the firing end for reliable performance across changing operating conditions. Corrugated ribs on the insulator help prevent flashover, and triple seals are designed to reduce the risk of combustion-gas and moisture leakage. These features work together to support stable spark delivery and dependable ignition.
Use the NGK Spark Plugs LMAR9AI-10, part number 93188, as a replacement only when its specifications match the original equipment application. Confirm fitment using the vehicle, engine, or equipment manufacturer’s service information before installation. Proper plug selection, gap verification, and installation torque are essential for correct operation and to help protect the ignition system.
Features:
- Brand: NGK Spark Plugs
- Model: LMAR9AI-10
- Manufacturer Part Number: 93188
- Vendor Part Number: 93188
- Construction: Trivalent metal plating helps provide corrosion and anti-seizing protection
- Insulator: Pure alumina silicate ceramic supports strength and heat transfer
- Heat Control: Copper core aids in removing heat from the firing end
- Ignition Protection: Corrugated ribs help prevent flashover
- Sealing: Triple seals help prevent leakage
- Fitment: Designed for compatible engines and equipment requiring an NGK LMAR9AI-10 spark plug