Why Do NGK Plugs Have Two Numbers?
Many spark plug brands, including NGK, have two different ID numbers assigned to spark plugs...
Learn More— SALE ON IGNITION COILS AND HIGH IGNITABILITY PLUGS —
Use your unique promo code to receive your discount. Don't have a code already? Click here.
NGK.com specializes in hard to find NGK products. We are not NGK Spark Plugs USA. To contact them, click here.
- 888-800-9629
-
Live Customer Service * Tech Support
MON-FRI 8AM-NOON - 1-5PM PST
- Create an Account | Log in
-
My cart
You have no items in your shopping cart.
Learning Center
-
-
Does NGK Manufacture All Coils in One Country?
As a global company, NGK does utilize numerous sources as they cannot manufacture 100% of the SKUs in house...
Learn More -
How Do I Find a Colder or Hotter Plug?
Each spark plug has a unique heat range. How can you find a plug that is a hotter or colder heat range?...
Learn More -
-
What is a Resistor Spark Plug?
Resistor spark plugs prevent interference with electronic equipment...
Learn More -
Can I Use Platinum, Iridium or Ruthenium Plugs with Nitrous Injection?
Iridium - yes. Platinum - no. Ruthenium - maybe...
Learn More -
NGK/NTK Announces Release of Technical Sensor Line
NTK, an NGK Spark Plugs brand, has expanded its product family with the release of over 6500 SKUs in more than 80 product types.
Learn More -
What is a Spark Plugs Heat Range?
The term heat range refers to the speed with which a plug can transfer heat from the combustion chamber to the engine head...
Learn More -
-
NGK High Ignitability Plugs Maximize Efficiency
With increasing government regulations on emissions and fuel economy, the demand for engines...
Learn More