{"product_id":"denso-3128-spark-plug","title":"Denso 3128 Spark Plug","description":"\u003ch2\u003eReliable Ignition Performance for Select Vehicles\u003c\/h2\u003e\u003cp\u003eThe Denso Double Platinum 3128 spark plug is engineered to deliver consistent ignition performance for a range of vehicles including Toyota Camry, Lexus RX330, and Mercedes-Benz C230. Designed with durable platinum electrodes and optimized resistance, this spark plug supports efficient combustion and engine reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDouble platinum chip on ground electrode and platinum center electrode tip for enhanced durability\u003c\/li\u003e\n\u003cli\u003e5000 ohm resistance to reduce electrical noise and protect ignition components\u003c\/li\u003e\n\u003cli\u003eCopper core center electrode for improved thermal conductivity\u003c\/li\u003e\n\u003cli\u003eStandard ground configuration with nickel ground electrode core\u003c\/li\u003e\n\u003cli\u003ePre-gap size of 1.1 mm for precise spark delivery\u003c\/li\u003e\n\u003cli\u003eFlat seat type with 14 mm thread diameter and 19 mm reach for proper fitment\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 moderate engine temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Denso Double Platinum Spark Plug Line\u003c\/h2\u003e\u003cp\u003eThe Double Platinum line from Denso features spark plugs with platinum on both the center and ground electrodes. This design enhances electrode durability and wear resistance compared to conventional plugs. The platinum chip on the ground electrode and platinum tip on the center electrode help maintain consistent spark gaps over time, contributing to stable engine performance and longer service intervals.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Denso 3128 spark plug incorporates a copper core center electrode to improve heat dissipation and electrical conductivity. The nickel ground electrode core supports structural integrity, while the single ground electrode with a platinum chip tip ensures reliable spark generation. With a pre-gap size of 1.1 mm and a flat seat design, this spark plug fits vehicles requiring a 14 mm thread diameter and 19 mm reach.\u003c\/p\u003e\u003cp\u003eThis spark plug is compatible with various makes and models including Toyota 4Runner, Lexus ES300, Mercedes-Benz SLK55 AMG, and Volvo S60. It is suitable for secondary ignition systems in these vehicles, providing stable ignition and helping maintain engine efficiency.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or fouled spark plugs causing misfires\u003c\/li\u003e\n\u003cli\u003eImproves ignition stability in vehicles experiencing rough idling\u003c\/li\u003e\n\u003cli\u003eHelps restore fuel efficiency affected by inconsistent spark delivery\u003c\/li\u003e\n\u003cli\u003eReduces ignition system electrical interference due to 5000 ohm resistance\u003c\/li\u003e\n\u003cli\u003eSupports smooth engine start and acceleration performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify correct spark plug gap of 1.1 mm before installation\u003c\/li\u003e\n\u003cli\u003eUse a 16 mm socket wrench for proper torque application\u003c\/li\u003e\n\u003cli\u003eEnsure flat seat matches cylinder head design to prevent leaks\u003c\/li\u003e\n\u003cli\u003eApply anti-seize compound sparingly on threads if recommended by vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eFollow vehicle-specific torque specifications to avoid damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso spark plugs are manufactured to meet strict quality standards for durability and performance. The Double Platinum 3128 spark plug undergoes rigorous testing to ensure consistent electrical resistance and electrode integrity. While specific warranty terms may vary, Denso products typically come with manufacturer-backed coverage against defects in materials and workmanship.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43446309486773,"sku":"BBNF-3128","price":13.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_3128_Fro_af93aa5e-cd19-4865-91d7-383183c96f58.jpg?v=1774734392","url":"https:\/\/www.partcatalog.com\/products\/denso-3128-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}