The NGK Spark Plugs LMAR9D-J spark plug is designed to provide dependable ignition performance and efficient combustion for compatible gasoline engines. Manufactured by NGK Spark Plugs, this plug features a copper core that supports effective heat removal and helps maintain consistent operating temperatures during demanding use. The LMAR9D-J model is identified by manufacturer and vendor part number 1633.
Its trivalent metal plating offers strong resistance to corrosion and helps reduce seizing during installation and service. A pure alumina silicate ceramic insulator provides high strength and efficient heat transfer, while triple sealing helps prevent combustion-gas leakage. Corrugated insulator ribs help reduce the risk of flashover, supporting reliable spark delivery and stable engine operation.
Feature: Trivalent metal plating for corrosion resistance and anti-seizing performance
Feature: Pure alumina silicate ceramic insulator for strength and heat transfer
Feature: Triple seals help prevent leakage
Feature: Corrugated ribs help prevent flashover
Feature: Copper core supports efficient heat removal
Use the NGK Spark Plugs LMAR9D-J 1633 spark plug for applications specified by the vehicle or equipment manufacturer. Confirm the engine model, required heat range, thread configuration, and service specifications before installation to ensure proper fitment. This is an individual spark plug suitable for replacement service where the LMAR9D-J specification is required.
Features:
- Trivalent metal plating provides corrosion resistance and anti-seizing properties
- Pure alumina silicate ceramic insulator delivers strength and heat transfer
- Triple seals help prevent leakage
- Corrugated ribs help prevent flashover
- Copper core aids in heat removal