{"product_id":"autolite-ap5143-spark-plug","title":"Autolite AP5143 Spark Plug","description":"\u003ch2\u003eReliable Ignition Performance for Ford, Land Rover, Mazda, and Mercury Vehicles\u003c\/h2\u003e\u003cp\u003eThe Autolite Platinum Spark Plug AP5143 is engineered to deliver consistent ignition performance for select Ford, Land Rover, Mazda, and Mercury 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 and core for enhanced durability\u003c\/li\u003e\n\u003cli\u003eTapered ground electrode tip made of nickel for stable spark\u003c\/li\u003e\n\u003cli\u003eExtra-long ceramic insulator for improved heat dissipation\u003c\/li\u003e\n\u003cli\u003eResistor type with 4000 ohms resistance to reduce electrical noise\u003c\/li\u003e\n\u003cli\u003eStandard center electrode design with a 0.054 inch (1.40 mm) pre-gap size\u003c\/li\u003e\n\u003cli\u003eThread diameter of 14.0 mm and reach of 0.809 inch (20.5 mm)\u003c\/li\u003e\n\u003cli\u003eHex size 16 mm (5\/8 inch) for easy installation\u003c\/li\u003e\n\u003cli\u003eCompatible with stud-type electrical terminals\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 materials in both the center electrode tip and core to provide longer service life and consistent spark delivery. This line is designed to meet the ignition demands of modern engines, offering improved wear resistance compared to conventional spark plugs. The AP5143 model benefits from these features, making it suitable for vehicles requiring reliable secondary ignition components.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe AP5143 spark plug features a tapered seat type and a single ground electrode constructed from nickel, which contributes to stable spark generation and combustion efficiency. The extra-long ceramic insulator enhances heat control, reducing the risk of pre-ignition and fouling. With a resistor value of 4000 ohms, this spark plug helps minimize electromagnetic interference with vehicle electronics.\u003c\/p\u003e\u003cp\u003eThis spark plug is compatible with various Ford, Land Rover, Mazda, and Mercury models, including the Ford B4000, Escort, Explorer, Explorer Sport Trac, Mountaineer, Mustang, Ranger, as well as the Land Rover LR3 and Lynx. The AP5143 part number ensures precise fitment and performance for these vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper ignition in engines experiencing misfires\u003c\/li\u003e\n\u003cli\u003eReduces engine hesitation and rough idling\u003c\/li\u003e\n\u003cli\u003eImproves fuel efficiency by ensuring complete combustion\u003c\/li\u003e\n\u003cli\u003ePrevents spark plug fouling and premature wear\u003c\/li\u003e\n\u003cli\u003eMinimizes electrical interference affecting vehicle sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your vehicle’s make and model before installation\u003c\/li\u003e\n\u003cli\u003eUse a 16 mm (5\/8 inch) socket wrench for proper torque application\u003c\/li\u003e\n\u003cli\u003eCheck and adjust the spark plug gap to 0.054 inch (1.40 mm) if necessary\u003c\/li\u003e\n\u003cli\u003eApply anti-seize compound on threads to prevent galling\u003c\/li\u003e\n\u003cli\u003eEnsure the spark plug is seated properly with the tapered seat for optimal sealing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eAutolite manufactures the AP5143 spark plug to meet industry standards for ignition components. The use of platinum electrodes and high-quality ceramic insulators supports durability and consistent performance. While specific warranty details are not provided here, Autolite products typically come with manufacturer-backed quality assurance to ensure reliability in compatible vehicles.\u003c\/p\u003e","brand":"Autolite","offers":[{"title":"Default Title","offer_id":43634917343413,"sku":"BBRQ-AP5143","price":15.57,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AB_AP5143_Fro_25e7dbcb-0067-4fa0-8519-4854fffd527a.jpg?v=1774987486","url":"https:\/\/www.partcatalog.com\/products\/autolite-ap5143-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}