Decoding Spark Plugs
NGK lists a design symbols chart in the front of every spark plug catalog. We break down how to decode the part number and stock number on your NGK spark plugs.
Part Finder - NGK Spark Plugs
Search by application to find the part you need from NGK or NTK
Spark Plugs marked with an asterisk * have a pre-set gap larger then the original item. Please ensure that these are suitable for the intended application. MP 1 of 5 August 2016
NGK Spark Plugs
2019 NGK spark plug catalog featuring a wide range of products for automotive applications.
Iridium spark plugs are used in many high performance engines and in competition. Owners who want the very best performance will want the best spark plug we can offer with Iridium IX.
Spark plug charts are sorted by thread size, thread reach, hex size. Hotter plugs are listed above the colder plugs. Plug images are located on the opposite page. Due to the extreme modifications in racing applications, these spark plugs are not warranted
Spark plug charts are sorted by thread size, thread reach, hex size. Hotter plugs are listed above the colder plugs. Plug images are located on the opposite page. Due to the extreme modifications in racing applications, these spark plugs are not warranted
Spark Plugs marked with an asterisk * have a pre-set gap larger then the original item. Please ensure that these are suitable for the intended application. MP 1 of 5 November 2020
How to decode your NGK Spark Plugs - Velocity Shop
2024年5月7日 · Here is the decoding chart. This video here by NGK explains what each number and letter mean in the NGK Part Number.
NGK Spark Plugs Cross Reference - Plug Specs
Locate your spark plug’s model number in the chart and find the corresponding NGK model. Tips for Accurate Cross-Referencing: Double-check the specifications: Ensure the NGK model matches in size, heat range, and electrode gap.