{"product_id":"denso-3471-spark-plug","title":"Denso 3471 Spark Plug","description":"\u003ch2\u003eReliable Ignition Performance for Audi, Porsche, and Volkswagen\u003c\/h2\u003e\u003cp\u003eThe Denso Iridium Long Life spark plug 3471 is engineered to deliver consistent ignition performance for select Audi, Porsche, and Volkswagen models. Designed with advanced materials and a multi-electrode configuration, this spark plug supports efficient combustion and engine reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIridium center electrode tip for enhanced durability\u003c\/li\u003e\n\u003cli\u003eMulti-electrode ground configuration with three nickel core electrodes\u003c\/li\u003e\n\u003cli\u003ePlatinum chip ground electrode tip for improved wear resistance\u003c\/li\u003e\n\u003cli\u003e1.1 mm pre-gap size optimized for ignition efficiency\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 standard installation tools\u003c\/li\u003e\n\u003cli\u003eManufacturer heat range rating of 20 for balanced thermal performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAdvanced Design Features of the Denso Iridium Long Life Spark Plug\u003c\/h2\u003e\u003cp\u003eThe Denso Iridium Long Life spark plug 3471 incorporates a copper core center electrode with an iridium tip, providing a stable and long-lasting spark. The multi-electrode ground configuration includes three nickel core electrodes, each tipped with a platinum chip to resist electrode wear and maintain consistent spark quality over time. The 1.1 mm pre-gap size is calibrated to optimize ignition timing and combustion efficiency. This spark plug features a flat seat design with a 14 mm thread diameter and 19 mm reach, ensuring proper fitment and sealing in compatible engines.\u003c\/p\u003e\u003cp\u003eThe Iridium Long Life product line focuses on durability and extended service intervals by utilizing iridium and platinum materials in critical electrode areas. This combination reduces electrode erosion and supports reliable ignition performance under various driving conditions, making it suitable for high-performance and luxury vehicles.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis spark plug is compatible with a range of Audi, Porsche, and Volkswagen models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAudi A6 Quattro, A8 Quattro, S5, S6, S8\u003c\/li\u003e\n\u003cli\u003ePorsche 911\u003c\/li\u003e\n\u003cli\u003eVolkswagen Q7, Touareg\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to address common ignition-related issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMisfires and rough idling\u003c\/li\u003e\n\u003cli\u003eReduced fuel efficiency\u003c\/li\u003e\n\u003cli\u003eDifficulty starting the engine\u003c\/li\u003e\n\u003cli\u003eEngine hesitation during acceleration\u003c\/li\u003e\n\u003cli\u003eIncreased emissions due to incomplete combustion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso Iridium Long Life spark plug 3471, ensure the engine is cool to prevent damage to the cylinder head. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid over-tightening or under-tightening. The 16.0 mm hex size allows for compatibility with standard spark plug sockets. Verify the pre-gap size of 1.1 mm before installation, although the plug typically comes pre-gapped.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso manufactures the Iridium Long Life spark plug 3471 to meet strict quality standards, ensuring reliable ignition performance and durability. While specific warranty details are not provided, Denso products are generally backed by manufacturer quality controls and are designed for long service life in compatible Audi, Porsche, and Volkswagen vehicles.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":52163235610805,"sku":"BBNF-3471","price":18.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_3471_Fro.jpg?v=1775590317","url":"https:\/\/www.partcatalog.com\/products\/denso-3471-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}