{"product_id":"autolite-xp5243-spark-plug","title":"Autolite XP5243 Spark Plug","description":"\u003ch2\u003eAutolite Iridium Spark Plug XP5243 Overview\u003c\/h2\u003e\u003cp\u003eThe Autolite Iridium Spark Plug XP5243 is engineered for reliable ignition performance in a range of GM vehicles including Chevrolet, Cadillac, and GMC models. Designed with advanced materials and precise construction, this spark plug supports efficient combustion and consistent engine operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIridium center electrode tip for enhanced durability and ignition\u003c\/li\u003e\n\u003cli\u003eTaper cut ground electrode tip with platinum material for improved spark efficiency\u003c\/li\u003e\n\u003cli\u003eCopper core center electrode for optimal conductivity\u003c\/li\u003e\n\u003cli\u003eCeramic insulator material for high heat resistance\u003c\/li\u003e\n\u003cli\u003eResistor type with 4000 ohm resistance to reduce electrical noise\u003c\/li\u003e\n\u003cli\u003eMetric thread size M14 x 1.25 with 0.679 inch (17 mm) reach\u003c\/li\u003e\n\u003cli\u003eNon-removable nut electrical terminal type\u003c\/li\u003e\n\u003cli\u003ePerformance grade with manufacturer heat range 10\u003c\/li\u003e\n\u003cli\u003eSingle ground electrode with nickel core and platinum tip\u003c\/li\u003e\n\u003cli\u003eTapered seat type and 5\/8 inch hex size for secure fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eIridium Spark Plug Product Line Details\u003c\/h2\u003e\u003cp\u003eThe Autolite Iridium Spark Plug line focuses on delivering consistent ignition performance through the use of iridium-tipped center electrodes. This design enhances electrode life and provides a stable spark under various operating conditions. The XP5243 model incorporates these features to meet the demands of performance-oriented vehicles, ensuring reliable starts and efficient fuel combustion.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Features\u003c\/h2\u003e\u003cp\u003eThe XP5243 spark plug features a fine wire iridium center electrode that improves ignition reliability and longevity compared to conventional plugs. The copper core enhances electrical conductivity, while the platinum-tipped taper cut ground electrode optimizes spark exposure and wear resistance. The ceramic insulator withstands high temperatures, and the resistor design minimizes electromagnetic interference with vehicle electronics. Its metric M14 x 1.25 thread size and 17 mm reach make it compatible with a variety of GM vehicles requiring precise fitment.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Avalanche, Camaro, Caprice, Corvette, Impala, Monte Carlo, Silverado, Suburban, Tahoe\u003c\/li\u003e\n\u003cli\u003eCadillac CTS, Escalade, Escalade ESV, Escalade EXT\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003eOldsmobile Cutlass Supreme\u003c\/li\u003e\n\u003cli\u003ePontiac G8, Grand Prix, SS, SSR\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by XP5243 Spark Plug\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMisfires and rough idling due to worn or inefficient spark plugs\u003c\/li\u003e\n\u003cli\u003eReduced fuel efficiency from incomplete combustion\u003c\/li\u003e\n\u003cli\u003eDifficulty starting engines in cold or demanding conditions\u003c\/li\u003e\n\u003cli\u003eEngine hesitation or loss of power under load\u003c\/li\u003e\n\u003cli\u003eElectrical interference affecting onboard electronics\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the spark plug gap is set according to the vehicle manufacturer’s specifications before installation. Use a torque wrench to tighten the plug to the recommended torque to avoid damage to the tapered seat. The non-removable nut terminal requires compatible ignition wire connectors. Avoid over-tightening to prevent thread damage in the cylinder head.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eAutolite manufactures the XP5243 spark plug to meet OEM standards for fit, form, and function. The use of high-quality iridium and platinum materials supports extended service life. While specific warranty details are not provided here, Autolite products typically come with manufacturer-backed quality assurance to ensure reliable performance.\u003c\/p\u003e","brand":"Autolite","offers":[{"title":"Default Title","offer_id":52204736217269,"sku":"BBRQ-XP5243","price":14.67,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AB_XP5243_Fro.jpg?v=1775594740","url":"https:\/\/www.partcatalog.com\/products\/autolite-xp5243-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}