{"product_id":"autolite-3924-spark-plug","title":"Autolite 3924 Spark Plug","description":"\u003ch2\u003eAutolite Copper Resistor Spark Plug Overview\u003c\/h2\u003e\u003cp\u003eThe Autolite Copper Resistor Spark Plug 3924 is engineered to deliver reliable ignition performance for a wide range of vehicles including Acura, Ford, Toyota, and BMW models. Designed with a copper core and resistor technology, this spark plug supports efficient combustion and reduces electrical interference.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eResistance rating of 4000 ohms for noise suppression\u003c\/li\u003e\n\u003cli\u003eTapered ground electrode tip made of nickel for durability\u003c\/li\u003e\n\u003cli\u003eCopper center electrode core with nickel tip for optimal conductivity\u003c\/li\u003e\n\u003cli\u003eMid projection ceramic insulator for enhanced heat dissipation\u003c\/li\u003e\n\u003cli\u003eFlat seat type with 0.750 inch reach and 14.0 mm thread diameter\u003c\/li\u003e\n\u003cli\u003ePre-gap size of 0.044 inches (1.10 mm) for precise spark delivery\u003c\/li\u003e\n\u003cli\u003eHex size 5\/8 inch (16 mm) for standard installation tools\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Design\u003c\/h2\u003e\u003cp\u003eThe Autolite Copper Resistor Spark Plug 3924 features a copper core center electrode that improves thermal conductivity, helping to maintain optimal operating temperatures. The nickel ground electrode with a tapered tip design enhances spark efficiency and electrode longevity. Its resistor type construction, rated at 4000 ohms, minimizes radio frequency interference, ensuring smooth operation of onboard electronics. The ceramic insulator with mid projection design provides excellent insulation and heat resistance, supporting consistent ignition performance across various driving conditions.\u003c\/p\u003e\u003ch2\u003eAbout the Copper Resistor Spark Plug Product Line\u003c\/h2\u003e\u003cp\u003eThe Copper Resistor Spark Plug line by Autolite is designed to combine traditional copper core technology with resistor features to reduce electrical noise. This product line is suitable for many domestic and import vehicles, offering a balance of performance and durability. The 3924 part number is a representative model within this line, engineered to meet OEM specifications for ignition components.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Acura, Ford, Toyota, BMW, Honda, and many other makes\u003c\/li\u003e\n\u003cli\u003eFits models such as 4Runner, Camry, Civic, 325i, and Grand Cherokee\u003c\/li\u003e\n\u003cli\u003eIdeal for vehicles requiring a 14 mm thread diameter and 0.750 inch reach spark plug\u003c\/li\u003e\n\u003cli\u003eSuitable for secondary ignition system replacement and maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Spark Plug\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMisfires caused by worn or fouled spark plugs\u003c\/li\u003e\n\u003cli\u003eIgnition noise interference affecting electronic systems\u003c\/li\u003e\n\u003cli\u003ePoor fuel efficiency due to inconsistent spark delivery\u003c\/li\u003e\n\u003cli\u003eEngine hesitation or rough idling\u003c\/li\u003e\n\u003cli\u003eDifficulty starting the engine in cold 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 0.044 inches (1.10 mm) before installation. Use a 5\/8 inch (16 mm) socket wrench for proper tightening. Avoid over-tightening to prevent damage to the flat seat and threads. It is recommended to replace spark plugs in sets to maintain balanced engine performance. Always consult the vehicle’s service manual for torque specifications and installation procedures.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eAutolite spark plugs are manufactured to meet or exceed OEM standards for ignition components. The Copper Resistor Spark Plug 3924 undergoes rigorous quality control to ensure durability and consistent performance. While specific warranty details are not provided, Autolite products typically come with manufacturer-backed quality assurance to support reliable operation.\u003c\/p\u003e","brand":"Autolite","offers":[{"title":"Default Title","offer_id":51924323205301,"sku":"BBRQ-3924","price":13.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AB_3924_Fro.jpg?v=1774987477","url":"https:\/\/www.partcatalog.com\/products\/autolite-3924-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}