Masuma DOUBLE IRIDIUM – spark plugs with iridium needle counter-electrode technology. Provides excellent flammability and fuel efficiency. The candles guarantee high durability. The resource of Masuma DOUBLE IRIDIUM is five times greater than conventional nickel spark plugs (up to 120 thousand km). MASUMA S604DI SPARK PLUG REPLACES: NGK: DILKAR7D11H.

Masuma spark plugs have a 12 month warranty. Wherever you bought or installed a part, within a year you have the right to return it by simply providing a receipt or other document confirming the purchase date and price. Even if you are not a certified auto mechanic and installed the part yourself in your garage, just keep your purchase receipt and, if a problem arises, you can always return the part.

It is a global brand of spare parts, components and consumables for cars. The main specialization of the brand: resource parts for post-warranty service of Japanese cars. Company strategy — to offer consumers the best ratio of reliability and price of spare parts. All products are manufactured to order, technology, and under the control of the parent company at dozens of modern factories located in East Asia.