{"product_id":"ngk-spark-plugs-fr5-8-pack-oem-replacement-bulk-packed-cold-medium-heat-range","title":"NGK Spark Plugs FR5 8-Pack — OEM Replacement Bulk-Packed, Cold-Medium Heat Range","description":"\u003cp\u003e\u003cstrong\u003eNGK FR5 spark plugs (8-pack, stock #7373) are genuine OEM replacement ignition plugs supplied in bulk for compatible cars and small engines.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese FR5 spark plugs from NGK arrive new and bulk-packed to provide a straightforward, cost-effective option when you need multiple replacements. They match OEM specifications and are supplied under NGK part references, so cross-reference your vehicle’s service manual or the compatibility list to confirm fitment. This listing includes eight FR5 plugs and several cross-reference numbers to help you identify correct applications.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and models accept the NGK FR5 plug?\u003c\/h3\u003e\n\u003cp\u003eThe FR5 is a common NGK cold-to-medium heat-range plug used across many small engines, scooters, and older automotive applications. Compatibility is best verified by comparing the plug code or OEM number in your owner’s manual with the listed cross-references below.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCross-reference identifiers include: 41-602, 41800, AC5, 784, 3924, AR3924 and more.\u003c\/li\u003e\n  \u003cli\u003eAlso shown as K20PR-U, K20PRU, K20TT, VK20 in some catalogs.\u003c\/li\u003e\n  \u003cli\u003eStock\/part number for this listing: NGK STK 7373 (FR5-8PK).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install the FR5 plugs and what torque is recommended?\u003c\/h3\u003e\n\u003cp\u003eInstallation should follow your vehicle or engine manufacturer’s service instructions to ensure proper seating and gap. Use a torque wrench or a calibrated torque setting on a ratchet adapter to avoid over-tightening and to protect the cylinder head threads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways check and set the spark plug gap per your owner’s manual before installation.\u003c\/li\u003e\n  \u003cli\u003eFinger-start each plug, then tighten to the manufacturer-specified torque.\u003c\/li\u003e\n  \u003cli\u003eReplace one plug at a time to preserve engine timing and firing order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does “bulk packed” mean for this 8-pack purchase?\u003c\/h3\u003e\n\u003cp\u003eBulk packed indicates the eight plugs are packaged together without individual retail boxes, which reduces packaging waste and keeps unit cost lower. Each plug is new and genuine NGK product; bulk packaging does not affect part authenticity or fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAll plugs in this pack are new, genuine NGK FR5 items.\u003c\/li\u003e\n  \u003cli\u003ePackaging is consolidated to ship all eight plugs together efficiently.\u003c\/li\u003e\n  \u003cli\u003ePerfect for multi-cylinder engines or stocking spares for future service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm this NGK FR5 matches my existing plugs?\u003c\/h3\u003e\n\u003cp\u003eCompare the stamped part code on your current plugs or consult your vehicle’s parts list. Use any of the cross-reference numbers provided in the product details to match OEM part numbers used by different manufacturers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck codes printed on current plugs and the vehicle service manual.\u003c\/li\u003e\n  \u003cli\u003eRefer to the compatibility list: e.g., RC14YC, DR14ZC, IK20 and related codes.\u003c\/li\u003e\n  \u003cli\u003eIf unsure, contact an authorized NGK dealer or provide your vehicle year\/make\/model for verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This 8-pack of NGK FR5 spark plugs is intended for mechanics, home DIYers, and fleet owners who need multiple genuine replacement plugs at once. It’s suitable for anyone maintaining compatible cars, motorcycles, scooters, lawn equipment, or other small engines that specify FR5 or any of the listed cross-reference numbers. Always verify fitment with your owner’s manual or parts diagram before ordering to ensure correct application and safe installation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these NGK FR5 spark plugs genuine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This listing contains genuine NGK FR5 spark plugs sold as an 8-pack and bulk packed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these plugs if my manual lists a different NGK code?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Only if your manual’s cross-reference matches one of the listed numbers; otherwise confirm with parts lookup for compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48086098575518,"sku":"B071CNJBX5","price":43.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ngk-fr5-front-packaging.jpg?v=1785884611","url":"https:\/\/northtrailauto.ca\/products\/ngk-spark-plugs-fr5-8-pack-oem-replacement-bulk-packed-cold-medium-heat-range","provider":"North Trail Auto","version":"1.0","type":"link"}