{"product_id":"ngk-54248-spark-plug-wire-set","title":"NGK 54248 Spark Plug Wire Set","description":"\u003ch2\u003eNGK Spark Plug Wire Set 54248\u003c\/h2\u003e\u003cp\u003eRestore consistent ignition performance with this NGK spark plug wire set, part number 54248. It is a specific-fit replacement built for Mercedes-Benz applications and uses silicone insulation with a tinned copper core for dependable spark transfer and noise suppression.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit spark plug wire set for direct application matching.\u003c\/li\u003e\n\u003cli\u003eSilicone insulation helps resist heat and maintain flexibility.\u003c\/li\u003e\n\u003cli\u003eTinned copper core supports stable electrical conductivity.\u003c\/li\u003e\n\u003cli\u003eNoise suppression design helps reduce ignition interference.\u003c\/li\u003e\n\u003cli\u003eBlue wire insulation for easy visual identification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNGK 54248 is part of the NGK Spark Plug Wire Set line, a product family focused on ignition replacement components. NGK brings extensive OE experience and manufactures premium ignition parts to OE-level durability and performance standards. This wire set is engineered for 1986-1991 Mercedes-Benz 420SEL, 560SEC, and 560SEL applications, making it a fitment-specific choice for owners replacing worn ignition leads on these models. The combination of silicone insulation and a tinned copper core supports reliable spark delivery while the noise suppression design helps maintain cleaner ignition operation. The NGK 54248 wire set is a practical replacement for Mercedes-Benz ignition service where consistent electrical performance matters.\u003c\/p\u003e\u003ch2\u003eCommon Issues It May Solve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMisfires caused by deteriorated ignition wires.\u003c\/li\u003e\n\u003cli\u003eHard starting related to weak spark delivery.\u003c\/li\u003e\n\u003cli\u003eIgnition noise from aging wire insulation or suppression loss.\u003c\/li\u003e\n\u003cli\u003eRough running from inconsistent electrical transfer.\u003c\/li\u003e\n\u003cli\u003eVisible cracking or wear in existing spark plug wires.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify engine application and wire routing before installation. Match each lead to the correct cylinder position and inspect related ignition components such as plugs and coils during service. For Mercedes-Benz 420SEL, 560SEC, and 560SEL fitment, confirm the existing wire set layout against the vehicle before removal to avoid cross-routing.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK is known for ignition components built to meet OE standards, backed by more than 80 years of automotive experience and global manufacturing expertise. Part number 54248 reflects NGK's focus on durability, performance, and consistent replacement quality.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53260872319157,"sku":"BCDP-54248","price":186.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_54248_Fro.jpg?v=1789279543","url":"https:\/\/www.partcatalog.com\/products\/ngk-54248-spark-plug-wire-set","provider":"PartCatalog","version":"1.0","type":"link"}