{"product_id":"ngk-1507-spark-plug","title":"NGK 1507 Spark Plug","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eNGK 1507 is a standard carded spark plug built with a copper core center electrode, nickel center and ground electrode tips, and a 5k ohm resistor. It is a direct replacement spark plug for a wide range of small-engine and powersports applications, including Kubota RTV400Ci and Yamaha LB50 models.\u003c\/p\u003e\u003cp\u003eUse NGK 1507 when you need a spark plug with a flat seat, 14 mm thread diameter, 0.5 in reach, and a pre-gap set to 0.028 in. The removable nut terminal supports common ignition lead connections, and the standard ground configuration keeps the design straightforward for routine service.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCopper core center electrode for stable ignition performance.\u003c\/li\u003e\n\u003cli\u003eNickel center and ground electrode tips for standard spark plug construction.\u003c\/li\u003e\n\u003cli\u003e5k ohm resistor helps control electrical noise in the ignition system.\u003c\/li\u003e\n\u003cli\u003eFlat seat, 14 mm thread, and 13\/16 in hex for common service fitment.\u003c\/li\u003e\n\u003cli\u003ePre-gapped to 0.028 in for listed applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNGK 1507, also identified by part number BR6HS BLYB, is part of NGK’s Standard Carded Spark Plug line. The design follows OE-style construction with a copper core center electrode, nickel electrode materials, and a removable nut terminal. For buyers searching for an NGK spark plug for Kubota RTV400Ci or Yamaha LB50 applications, this part provides the specified heat range, reach, and seat type needed for the listed engines. The same NGK 1507 spark plug is also cross-referenced to Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003cp\u003eNGK’s OE supplier background and long automotive manufacturing history support this product line with consistent standards for ignition service across domestic and import applications.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHard starting caused by worn or fouled spark plugs.\u003c\/li\u003e\n\u003cli\u003eMisfire from incorrect gap or degraded electrode condition.\u003c\/li\u003e\n\u003cli\u003eWeak ignition performance in small-engine and powersports use.\u003c\/li\u003e\n\u003cli\u003eElectrical interference concerns in ignition circuits.\u003c\/li\u003e\n\u003cli\u003eService replacement needs for listed NGK 1507 applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the specified gap before installation and set it to 0.028 in for the listed applications unless the fitment note states 0.024 in. Confirm the seat type, thread diameter, reach, and heat range match the engine specification before installation. Use the removable nut terminal only with the ignition lead style required by the application.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK is a major OE supplier and manufacturer of spark plugs in North America, with more than 80 years of automotive experience and original-equipment manufacturing standards.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53725760258229,"sku":"BCDP-1507","price":11.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_1507_Fro.jpg?v=1794209547","url":"https:\/\/www.partcatalog.com\/products\/ngk-1507-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}