NGK 95993 Spark Plug

NGK Laser Iridium Spark Plug for Toyota and Lexus

NGK 95993 is a Laser Iridium High Ignitability spark plug built for OE-style service in select Toyota, Lexus, and Scion applications. It uses an iridium center electrode, nickel ground electrode core, and a 0.044 in pre-gap to support consistent ignition performance in engines that call for a high-ignitability plug.

Key Features

• Laser Iridium High Ignitability design for precise spark delivery
• Iridium center electrode tip with copper core for stable ignition performance
• Dual fine electrode ground tip design for efficient flame initiation
• 0.044 in pre-gap and flat seat configuration
• 12 mm thread diameter, 26.5 mm reach, 14 mm hex size
• Non-removable nut terminal for OE-style connection
• NGK part number 95993, also identified as DF6H-11B

Product Details

NGK’s Laser Iridium High Ignitability line focuses on OE-equivalent spark plug construction for engines that require a precise gap and dependable ignition characteristics. This plug is specified with a 1 ohm resistance value, a nickel ground electrode core, and a copper-core center electrode paired with an iridium tip. The result is a spark plug built around controlled ignition performance and long-service OE replacement needs. This NGK 95993 spark plug is a direct-fit choice for many Toyota Corolla, Toyota C-HR, Lexus CT200h, and related hybrid or compact applications that call for the listed dimensions and heat range.

This part cross-references NGK (e.g., 95993) for the same application.

Vehicle Fitment

• Fits 2021-2022 Toyota C-HR, N/A. OE equivalent design; OE spark plug is high ignitability.
• Fits 2019-2020 Toyota C-HR, N/A. Gap of 0.044 inches with OE equivalent design.
• Fits 2019 Toyota Corolla, N/A. Gap of 0.044 inches with OE equivalent design.
• Fits 2018 Toyota C-HR, N/A. Gap 0.044"; OE equivalent design; 120,000 mi OE manufacturer recommended service interval.
• Fits 2016-2018 Toyota Corolla, N/A. Gap 0.044"; OE equivalent design; 120,000 mi OE manufacturer recommended service interval.
• Fits 2017-2018 Toyota Corolla iM, N/A. Gap 0.044"; OE equivalent design; 120,000 mi OE manufacturer recommended service interval.
• Fits 2016-2017 Lexus CT200h, N/A. Gap 0.044"; OE equivalent design; 120,000 mi OE manufacturer recommended service interval.
• Fits 2016-2017 Toyota Prius V, N/A. Gap 0.044"; OE equivalent design; 120,000 mi OE manufacturer recommended service interval.
• Fits 2016 Scion iM, N/A. Gap 0.044"; OE equivalent design; 120,000 mi OE manufacturer recommended service interval.
• Fits 2015 Lexus CT200h, N/A. From 4/2015; gap 0.044"; OE equivalent design; 120,000 mi (Non-PZEV) / 150,000 mi (PZEV) OE manufacturer recommended service interval.
• Fits 2015 Scion iQ, N/A. Gap 0.044"; OE equivalent design; 120,000 mi OE manufacturer recommended service interval.
• Fits 2015 Toyota Corolla, N/A. From 4/2015; gap 0.044"; OE equivalent design; 120,000 mi OE manufacturer recommended service interval.
• Fits 2015 Toyota Prius, N/A. From 4/2015; gap 0.044"; OE equivalent design; 120,000 mi OE manufacturer recommended service interval without PZEV, 150,000 mi with PZEV.
• Fits 2015 Toyota Prius Plug-In, N/A. From 4/2015; gap 0.044"; OE equivalent design; 120,000 mi OE manufacturer recommended service interval without PZEV, 150,000 mi with PZEV.
• Fits 2015 Toyota Prius V, N/A. From 4/2015; gap 0.044"; OE equivalent design; 120,000 mi OE manufacturer recommended service interval without PZEV, 150,000 mi with PZEV.
• Fits 2014 Scion iQ, N/A. From 11/2013; gap 0.044"; OE equivalent design; 120,000 mi OE manufacturer recommended service interval.

Installation Notes

Verify the engine calls for a 12 mm thread, 26.5 mm reach, flat seat, and 0.044 in gap before installation. Check the existing plug specification against the vehicle service information for Toyota Corolla, Toyota C-HR, Lexus CT200h, and other listed applications, and confirm the heat range matches the OE requirement. Use proper spark plug service procedures and torque to the vehicle manufacturer’s specification.

Quality Assurance

NGK is a long-established OE spark plug supplier with broad coverage across domestic and import vehicles in North America. Part number 95993 is built to OE-equivalent standards for the listed applications and reflects NGK’s focus on ignition-system consistency and durability.