10 Genuine NGK 7421 BMR6A Spark Plug cross for 5921 BM6A Small Engine

10 Genuine NGK 7421 BMR6A Spark PlugsItem SpecificsNGK OEM Spark Plug Kit Part Number: 7421 BMR6A Quantity: 10 Plugs Replaces: NGK 5921 BM6AThis 10-pack of genuine NGK 7421 BMR6A spark plugs is designed for small engines, offering longer life and optimum performance. Features include trivalent metal plating for corrosion resistance, copper core for heat removal, and triple sealing to prevent leakage.Technical SpecificationsSpecificationValueThread Diameter14 mmThread Pitch1.25 mmReach9.5 mm (3/8″)Hex Size3/4″ (19 mm)Gap0.028″Electrode MaterialNickelCore MaterialCopperPlatingTrivalent Metal (Anti-corrosion/Anti-seizing)SealingTriple-SealedInsulatorPure Alumina Silicate CeramicCompatible Engine & EquipmentComponentModel / TypeSpark Plug TypeStandard Resistor Spark PlugPrimary ApplicationSmall Engines (Lawn & Garden Equipment)Key DetailsDirect Cross-Reference: Replaces NGK part number 5921 BM6A for small engine applications.Premium Construction: Copper core, triple sealing, and corrugated ribs prevent flashover and leakage.Corrosion Protection: Trivalent metal plating ensures easy removal and long-term durability in outdoor equipment.We at M&M Products are a stocking distributor for Briggs and Stratton, Kohler, and Kawasaki dealer. We not only sell their OEM parts but we also use them on our equipment repairs and rebuilds. If there is something you need and don’t see it on one of our auctions, please email me through [email protected] and I can get it in and create an auction for that item.We also ship internationally!