{"v":"2.0","page_type":"product","title":"Consistent starts, dependable performance, superior fouling resistance. Replaces Champion Model No. RN7YC, N7YC, RN4C, and N4C. Replaces NGK Model No. B5EB, B6EB, B6EB-11, B6EBL-11, B6ES, B6ES-11, B6EV, B6EVX, B7EB, B7EVB-11, B7ES, B7ES-11, BP7ES, BP7ES-11, BR6EB, BR6EB-11, BR6ES, BR6ES-11, BR7EB, BR7EB-11, BR7EIX, BR7ES, BR7ES-11, BUR6EV, and BUR7EB-11. Replaces Autolite Model No. 403, 404, 405, and 4056.","breadcrumbs":[{"label":"Home","href":"/python/html6/index.html"},{"label":"Brands","href":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html"},{"label":"Arnold Corp.","href":"/python/html6/menu_brand_products/1000/168000/menu_brand_products_ArnoldCorp_1_a2bc790e57.html"},{"label":"ff-18","href":null}],"content":{"product":{"mpn":"ff-18","manufacturer":"Arnold Corp","brand":"Arnold Corp.","brand_url":"/python/html6/menu_brand_products/1000/168000/menu_brand_products_ArnoldCorp_1_a2bc790e57.html","title":"Consistent starts, dependable performance, superior fouling resistance. Replaces Champion Model No. RN7YC, N7YC, RN4C, and N4C. Replaces NGK Model No. B5EB, B6EB, B6EB-11, B6EBL-11, B6ES, B6ES-11, B6EV, B6EVX, B7EB, B7EVB-11, B7ES, B7ES-11, BP7ES, BP7ES-11, BR6EB, BR6EB-11, BR6ES, BR6ES-11, BR7EB, BR7EB-11, BR7EIX, BR7ES, BR7ES-11, BUR6EV, and BUR7EB-11. Replaces Autolite Model No. 403, 404, 405, and 4056.","description":"","attributes":[{"name":"Brand name","values":[{"value":"Arnold Corp.","url":"/python/html6/menu_attr_pair/1000/7000000/7980000/menu_attr_pair_Brandname_ArnoldCorp_1_3890c9af16.html"}],"name_url":"/python/html6/menu_attr_pair/1000/7000000/7980000/menu_attr_pair_Brandname_ArnoldCorp_1_3890c9af16.html"},{"name":"Manufacturer name","values":[{"value":"Arnold Corp.","url":"/python/html6/menu_attr_pair/1000/39000000/39253000/menu_attr_pair_Manufacturername_ArnoldCorp_1_1ee95e1837.html"}],"name_url":"/python/html6/menu_attr_pair/1000/39000000/39253000/menu_attr_pair_Manufacturername_ArnoldCorp_1_1ee95e1837.html"},{"name":"Manufacturer","values":[{"value":"Arnold Corp.","url":"/python/html6/menu_attr_pair/1000/233000000/233156000/menu_attr_pair_Manufacturer_ArnoldCorp_1_120b626b17.html"}],"name_url":"/python/html6/menu_attr_pair/1000/233000000/233156000/menu_attr_pair_Manufacturer_ArnoldCorp_1_120b626b17.html"}],"images":[],"distributors":[{"name":"Walmart","sku":"47412772","url":"https://www.walmart.com/ip/FirstFire-13-16-Tecumseh-Spark-Plug/47412772","pricing":[{"quantity":1,"price_usd":5.25}],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://i5.walmartimages.com/asr/ef568cd4-dee1-42f3-871b-b5192ac44425_1.d4ce43c8322537448008a1d62db5123f.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"}],"amazon":{"available":false,"products":[]},"metadata":{"generated_date":"2026-09-16","last_updated":"2026-09-16","data_sources":["Walmart"],"completeness":0.55,"version":"1.2"}}},"pagination":null,"nav":{"home":"/python/html6/index.html","brands":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html","parts":"/python/html6/menu_part_index/menu_part_index_parts_909e6bf0ca.html","attributes":"/python/html6/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html"}}