{"product_id":"autolite-ht15-spark-plug","title":"Autolite HT15 Spark Plug","description":"\u003ch2\u003eReliable Ignition Performance for Ford and Lincoln Vehicles\u003c\/h2\u003e\u003cp\u003eThe Autolite Platinum Spark Plug HT15 is engineered to deliver consistent ignition performance for select Ford and Lincoln models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePlatinum center electrode tip for enhanced durability\u003c\/li\u003e\n\u003cli\u003eFine wire copper core center electrode for improved conductivity\u003c\/li\u003e\n\u003cli\u003eTapered ground electrode tip made of nickel for stable spark\u003c\/li\u003e\n\u003cli\u003eExtra-long special ceramic insulator for heat resistance\u003c\/li\u003e\n\u003cli\u003eResistor type with 5000 ohms resistance to reduce electrical noise\u003c\/li\u003e\n\u003cli\u003eCompatible with Ford Expedition, F-150, F-250 Super Duty, F-350 Super Duty, Mark LT, Mustang, and Lincoln Navigator\u003c\/li\u003e\n\u003cli\u003ePre-gap size of 0.053 inches (1.30 mm) for optimal spark gap\u003c\/li\u003e\n\u003cli\u003eThread diameter of 16.0 mm and reach of 0.750 inches (19.5 mm)\u003c\/li\u003e\n\u003cli\u003eHex size 14 mm (9\/16\") for standard installation tools\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Autolite Platinum Spark Plug Line\u003c\/h2\u003e\u003cp\u003eThe Platinum Spark Plug line from Autolite focuses on combining platinum-tipped electrodes with fine wire copper cores to provide a balance of durability and efficient ignition. This design helps maintain consistent spark performance over time, reducing the need for frequent replacements. The HT15 model incorporates these features with a tapered seat and resistor type construction to support smooth engine operation in heavy-duty and performance vehicles.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Features\u003c\/h2\u003e\u003cp\u003eThe HT15 spark plug features a platinum tip on the center electrode, which enhances wear resistance and extends service life compared to standard plugs. The copper core center electrode improves electrical conductivity, ensuring reliable ignition. The single tapered ground electrode made of nickel provides a stable spark path, while the extra-long ceramic insulator offers excellent heat dissipation and electrical insulation. The resistor type design with 5000 ohms resistance helps minimize radio frequency interference, protecting vehicle electronics.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper ignition in Ford F-150 and F-250 Super Duty engines\u003c\/li\u003e\n\u003cli\u003eReduces misfires and rough idling in Lincoln Navigator and Ford Expedition\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency and throttle response in Mustang and Mark LT\u003c\/li\u003e\n\u003cli\u003eAddresses spark plug wear and electrode erosion in high-mileage vehicles\u003c\/li\u003e\n\u003cli\u003eHelps maintain stable combustion under heavy load conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the spark plug gap is set to the specified pre-gap size of 0.053 inches (1.30 mm) before installation. Use a 14 mm (9\/16\") socket wrench for proper tightening. The tapered seat design requires careful torque application to avoid damage to the cylinder head. Always install spark plugs when the engine is cool to prevent thread damage and ensure proper seating.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eAutolite Platinum Spark Plugs are manufactured to meet OEM specifications for fit, form, and function. The HT15 model undergoes rigorous quality control to ensure consistent performance. While specific warranty details are not provided, Autolite products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Ford and Lincoln vehicles.\u003c\/p\u003e","brand":"Autolite","offers":[{"title":"Default Title","offer_id":52115980026037,"sku":"BBRQ-HT15","price":22.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AB_HT15_Fro.jpg?v=1775161170","url":"https:\/\/www.partcatalog.com\/products\/autolite-ht15-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}