{"product_id":"denso-4038-spark-plug","title":"Denso 4038 Spark Plug","description":"\u003ch2\u003eReliable Ignition with Denso U-Groove Conventional Spark Plug 4038\u003c\/h2\u003e\u003cp\u003eThe Denso U-Groove Conventional Spark Plug 4038 is engineered to deliver consistent ignition performance for a variety of vehicles. Designed with a U-groove ground electrode tip and durable materials, this spark plug supports efficient combustion and engine reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eU-groove ground electrode tip design for improved spark exposure\u003c\/li\u003e\n\u003cli\u003eStandard ground configuration with a single ground electrode\u003c\/li\u003e\n\u003cli\u003eNickel ground electrode core and tip for durability\u003c\/li\u003e\n\u003cli\u003eCopper center electrode core with nickel tip for optimal conductivity\u003c\/li\u003e\n\u003cli\u003ePre-gap size of 0.7 mm for precise ignition timing\u003c\/li\u003e\n\u003cli\u003eFlat seat type ensuring proper sealing and fit\u003c\/li\u003e\n\u003cli\u003eThread diameter of 14.00 mm and reach of 12.70 mm for compatibility\u003c\/li\u003e\n\u003cli\u003eHex size of 20.6 mm for easy installation\u003c\/li\u003e\n\u003cli\u003eManufacturer heat range of 24 suitable for moderate operating temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Denso U-Groove Conventional Product Line\u003c\/h2\u003e\u003cp\u003eThe U-Groove Conventional line by Denso focuses on spark plugs featuring a unique U-groove ground electrode tip design. This design enhances spark exposure to the air-fuel mixture, promoting more efficient combustion. The conventional construction balances performance and durability, making it suitable for a range of automotive applications requiring reliable secondary ignition components.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Performance\u003c\/h2\u003e\u003cp\u003eThe Denso 4038 spark plug incorporates a nickel ground electrode core and tip, providing resistance to wear and corrosion. The copper center electrode core improves thermal conductivity, helping maintain stable operating temperatures. With a pre-gap size of 0.7 mm, this spark plug ensures consistent spark generation for smooth engine operation. The flat seat type and precise thread diameter of 14.00 mm allow for secure installation in compatible engines. The heat range rating of 24 indicates suitability for engines operating under moderate thermal conditions.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper ignition in vehicles experiencing misfires or rough idling\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by ensuring complete combustion\u003c\/li\u003e\n\u003cli\u003eReduces engine hesitation during acceleration\u003c\/li\u003e\n\u003cli\u003eHelps maintain stable engine performance under varying loads\u003c\/li\u003e\n\u003cli\u003ePrevents fouling and electrode wear in compatible vehicle models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 4038 spark plug, ensure the pre-gap of 0.7 mm is maintained for optimal performance. Use a 20.6 mm socket for proper torque application. Verify compatibility with your vehicle’s thread diameter of 14.00 mm and reach of 12.70 mm to avoid installation issues. Always follow manufacturer torque specifications to prevent damage to the spark plug or cylinder head.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso spark plugs, including the U-Groove Conventional 4038, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Denso products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Consult your vehicle’s service manual or Denso’s official documentation for warranty information related to this spark plug.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":52163235938485,"sku":"BBNF-4038","price":7.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_4038_Fro.jpg?v=1775590319","url":"https:\/\/www.partcatalog.com\/products\/denso-4038-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}