{"product_id":"denso-3401-spark-plug","title":"Denso 3401 Spark Plug","description":"\u003ch2\u003eReliable Ignition Performance for Honda Accord and Fit\u003c\/h2\u003e\u003cp\u003eThe Denso Iridium Long Life spark plug 3401 is engineered to provide consistent ignition and durability for Honda Accord and Fit models. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIridium center electrode tip for enhanced durability\u003c\/li\u003e\n\u003cli\u003ePlatinum chip ground electrode tip for stable ignition\u003c\/li\u003e\n\u003cli\u003eThick nickel ground electrode core for improved wear resistance\u003c\/li\u003e\n\u003cli\u003eCopper center electrode core for optimal conductivity\u003c\/li\u003e\n\u003cli\u003ePre-gap size of 1.3 mm for precise spark delivery\u003c\/li\u003e\n\u003cli\u003eFlat seat type with 14 mm thread diameter and 19 mm reach\u003c\/li\u003e\n\u003cli\u003eHex size of 16.0 mm for easy installation\u003c\/li\u003e\n\u003cli\u003eManufacturer heat range of 20 suitable for Honda applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Features of the Denso Iridium Long Life Spark Plug 3401\u003c\/h2\u003e\u003cp\u003eThe Denso Iridium Long Life spark plug 3401 incorporates a fine iridium tip on the center electrode, which offers a high melting point and resistance to wear, ensuring long service life. The ground electrode features a platinum chip tip and a thick nickel core, enhancing ignition stability and durability. The copper core center electrode improves thermal conductivity, helping to dissipate heat efficiently. With a pre-gap size of 1.3 mm and a single ground electrode configuration, this spark plug is optimized for reliable spark generation. The flat seat design and 14 mm thread diameter with a 19 mm reach ensure proper fitment and sealing in compatible Honda engines.\u003c\/p\u003e\u003ch2\u003eAbout the Iridium Long Life Product Line\u003c\/h2\u003e\u003cp\u003eThe Iridium Long Life line by Denso focuses on delivering extended durability and consistent ignition performance through the use of iridium and platinum materials. This product line is designed to meet the demands of modern engines by providing stable spark delivery and resistance to electrode wear, which helps maintain engine efficiency over time. The 3401 spark plug is part of this line, offering a balance of longevity and reliable ignition for Honda Accord and Fit vehicles.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Honda Accord and Honda Fit models requiring a 14 mm thread spark plug\u003c\/li\u003e\n\u003cli\u003eHelps resolve misfires caused by worn or damaged spark plugs\u003c\/li\u003e\n\u003cli\u003eImproves cold start performance and throttle response\u003c\/li\u003e\n\u003cli\u003eReduces fouling and electrode wear in high-heat conditions\u003c\/li\u003e\n\u003cli\u003eSupports consistent combustion to prevent rough idling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 3401 spark plug, ensure the engine is cool to avoid damage to the threads. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to prevent over-tightening or under-tightening. Verify the pre-gap size of 1.3 mm before installation, adjusting if necessary to match vehicle requirements. The 16 mm hex size allows for standard spark plug socket compatibility, facilitating straightforward replacement in Honda Accord and Fit engines.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso manufactures the 3401 spark plug to meet strict quality standards, ensuring reliable performance and durability. The use of iridium and platinum materials contributes to extended service life compared to conventional spark plugs. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support customer confidence in fitment and function.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43446339535029,"sku":"BBNF-3401","price":20.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_3401_Fro.jpg?v=1774734411","url":"https:\/\/www.partcatalog.com\/products\/denso-3401-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}