{"product_id":"champion-9777-spark-plug","title":"Champion 9777 Spark Plug","description":"\u003ch2\u003eChampion Iridium Spark Plug 9777 Overview\u003c\/h2\u003e\u003cp\u003eChampion Iridium 9777 is a tapered-seat spark plug built with a fine-wire iridium center electrode and a platinum ground electrode for a focused spark event. It is a direct choice for a wide range of GM and Chrysler applications, including Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFine-wire iridium center electrode for sharp spark focus\u003c\/li\u003e\n\u003cli\u003ePlatinum ground electrode with J-gap design\u003c\/li\u003e\n\u003cli\u003eResistor plug for ignition system noise control\u003c\/li\u003e\n\u003cli\u003eTapered seat with 1.00 in. reach\u003c\/li\u003e\n\u003cli\u003e14 mm thread diameter and 0.625 in. hex size\u003c\/li\u003e\n\u003cli\u003eChampion Iridium classification for OE-style service applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChampion Iridium Product Line Details\u003c\/h2\u003e\u003cp\u003eThe Champion Iridium line uses iridium at the center electrode and platinum at the ground electrode to support consistent ignition performance under demanding conditions. Part number 9777 is built around a 0.100 in. center electrode diameter, a non-removable nut terminal, and a manufacturer heat range of 14.\u003c\/p\u003e\u003cp\u003eThis part cross-references Carlson 41114 for the same application.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2023-2024 Cadillac Escalade, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2022-2024 Cadillac Escalade ESV, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023 Chevrolet Camaro, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023 Chevrolet Express 2500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023 Chevrolet Express 3500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023 Chevrolet Silverado 1500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023 Chevrolet Silverado 2500 HD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023 Chevrolet Silverado 3500 HD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023 Chevrolet Tahoe, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2022-2023 GMC Savana 2500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2022-2023 GMC Savana 3500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023 GMC Sierra 1500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023 GMC Sierra 2500 HD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023 GMC Sierra 3500 HD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023 GMC Yukon, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023 GMC Yukon XL, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2015-2022 Cadillac Escalade, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2016-2022 Chevrolet Camaro, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2018-2022 Chevrolet Express 2500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2018-2022 Chevrolet Express 3500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2014-2022 Chevrolet Silverado 1500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2022 Chevrolet Silverado 1500 LTD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2020-2022 Chevrolet Silverado 2500 HD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2020-2022 Chevrolet Silverado 3500 HD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2015-2022 Chevrolet Tahoe, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2014-2022 GMC Sierra 1500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2022 GMC Sierra 1500 Limited, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2020-2022 GMC Sierra 2500 HD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2020-2022 GMC Sierra 3500 HD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2015-2022 GMC Yukon, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2015-2022 GMC Yukon XL, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2015-2021 Cadillac Escalade ESV, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2018-2021 GMC Savana 2500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2021 GMC Savana 2500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2018-2021 GMC Savana 3500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2021 GMC Savana 3500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2014-2019 Chevrolet Corvette, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2019 Chevrolet Silverado 1500 LD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2019 GMC Sierra 1500 Limited, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2005-2010 Chrysler 300, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2008-2010 Dodge Challenger, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2006-2010 Dodge Charger, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2006-2008 Dodge Magnum, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat This Spark Plug Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMisfires caused by worn or eroded spark plug electrodes\u003c\/li\u003e\n\u003cli\u003eHard starting from weak ignition output\u003c\/li\u003e\n\u003cli\u003eRough idle and inconsistent combustion\u003c\/li\u003e\n\u003cli\u003eReduced throttle response from degraded spark quality\u003c\/li\u003e\n\u003cli\u003eIgnition noise concerns in resistor-equipped systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the tapered seat, 14 mm thread diameter, 1.00 in. reach, and manufacturer heat range before installation. For vehicles such as Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade, confirm the required gap specification in the service information for the exact engine application; some listed OE-style applications call for a 0.040 in. gap, while others specify 2 plugs per cylinder and a 0.044 in. or 0.050 in. gap.\u003c\/p\u003e\u003cp\u003eUse the correct spark plug socket for the 0.625 in. hex and follow the vehicle service procedure for torque and gap verification. Champion 9777 is also referenced in OE-style service listings for GM and Chrysler platforms, including Chevrolet Camaro and Dodge Charger applications.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eChampion Iridium plugs are built around iridium and platinum electrode materials for durable ignition service and consistent spark focus. Part number 9777 follows Champion’s iridium product line construction and OE-style fitment data for confirmed vehicle applications.\u003c\/p\u003e","brand":"Champion","offers":[{"title":"Default Title","offer_id":52431261663413,"sku":"BBKH-9777","price":14.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CS_9777_Fro.jpg?v=1777848633","url":"https:\/\/www.partcatalog.com\/products\/champion-9777-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}