{"product_id":"bosch-7434-spark-plug","title":"Bosch 7434 Spark Plug","description":"\u003ch2\u003eBosch OE Fine Wire Double Iridium Spark Plug 7434\u003c\/h2\u003e\u003cp\u003eBosch 7434 is an OE Fine Wire Double Iridium spark plug built for direct replacement performance in select Mercedes-Benz applications. It combines a fine-wire iridium center electrode with a laser-welded tapered ground electrode for strong ignitability, stable combustion, and long service life.\u003c\/p\u003e\u003cp\u003eCompatible With Mercedes-Benz C300, C350, E350, E400, GLE400, GLE350, GLS450, SL450, and other listed applications, this plug is supplied with a preset gap and should not be regapped during installation.\u003c\/p\u003e\u003ch2\u003eOE Fine Wire Double Iridium Design\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number 7434 from Bosch OE Fine Wire Double Iridium\u003c\/li\u003e\n\u003cli\u003eIridium center electrode firing pin for consistent spark delivery\u003c\/li\u003e\n\u003cli\u003eLaser-welded ground electrode with iridium alloy inlay\u003c\/li\u003e\n\u003cli\u003eTapered ground electrode tip design for improved ignitability\u003c\/li\u003e\n\u003cli\u003eResistor spark plug with 1000 ohm resistance\u003c\/li\u003e\n\u003cli\u003eProjected ceramic insulator and flat seat construction\u003c\/li\u003e\n\u003cli\u003ePreset .7 gap; do not gap before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eBosch OE Fine Wire Double Iridium plugs are engineered for drivers who want OE-style ignition performance with extended durability. The fine-wire center electrode and tapered ground electrode help promote efficient spark formation, while the double iridium construction supports long-term wear resistance under demanding engine conditions. Part number 7434 is a 4-cycle spark plug with a 12 mm thread diameter, 14 mm hex, 26.5 mm reach, and heat range 6.\u003c\/p\u003e\u003cp\u003eThis Bosch 7434 spark plug is listed for a wide range of Mercedes-Benz models, including 2012-2016 Mercedes-Benz E350, 2013-2014 Mercedes-Benz C300, 2012-2014 Mercedes-Benz C350, 2015-2018 Mercedes-Benz E400, 2016-2019 Mercedes-Benz GLE400, and 2017-2021 Mercedes-Benz C43 AMG. It also covers additional Mercedes-Benz applications such as GLE350, GLS450, SL450, SLC43 AMG, and E43 AMG.\u003c\/p\u003e\u003cp\u003eThis part cross-references no listed interchange part numbers in the provided data.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Spark Plug Addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRough idle caused by worn ignition electrodes\u003c\/li\u003e\n\u003cli\u003eHard starting from weakened spark output\u003c\/li\u003e\n\u003cli\u003eMisfire conditions related to plug wear\u003c\/li\u003e\n\u003cli\u003eReduced throttle response from inconsistent combustion\u003c\/li\u003e\n\u003cli\u003eService intervals requiring OE-style spark plug replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2012-2016 Mercedes-Benz E350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2013-2014 Mercedes-Benz C300, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2014 Mercedes-Benz C350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2015-2018 Mercedes-Benz E400, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2016-2019 Mercedes-Benz GLE400, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2017-2021 Mercedes-Benz C43 AMG, N\/A\u003c\/li\u003e\n\u003cli\u003eDo not gap this spark plug; the gap is preset from the factory\u003c\/li\u003e\n\u003cli\u003eVerify engine application by year, make, and model before installation\u003c\/li\u003e\n\u003cli\u003eUse the correct torque procedure for the cylinder head and plug seat type\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eBosch OE Fine Wire Double Iridium plugs are built to OE-level specifications with laser-welded electrode construction and iridium-alloy materials for durability and consistent ignition performance. Part number 7434 is packaged as one spark plug.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":52401901732021,"sku":"BBHK-7434","price":20.46,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_7434_Fro.jpg?v=1777762012","url":"https:\/\/www.partcatalog.com\/products\/bosch-7434-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}