{"product_id":"ngk-54278-spark-plug-wire-set","title":"NGK 54278 Spark Plug Wire Set","description":"\u003ch2\u003eIgnition Wire Set Overview\u003c\/h2\u003e\u003cp\u003eNGK Spark Plug Wire Set 54278 is a specific-fit ignition wire set built for select Mercedes-Benz 190E applications. It uses silicone insulation, a tinned copper core, and noise suppression to support stable spark delivery and reduced electrical interference.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit ignition 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 consistent conductivity.\u003c\/li\u003e\n\u003cli\u003eNoise suppression type helps reduce ignition interference.\u003c\/li\u003e\n\u003cli\u003eBlue insulation for easy visual identification during service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNGK 54278 is part of the NGK Spark Plug Wire Set line, a product family focused on ignition replacement parts for domestic and import vehicles. This set is engineered with a 7.00 mm outside diameter, silicone insulation, and a tinned copper core to deliver dependable electrical transfer in demanding ignition systems. It is a fitment-specific replacement for Mercedes-Benz 190E models, including 1984-1988 Mercedes-Benz 190E and 1991-1993 Mercedes-Benz 190E. This part cross-references Four Seasons 54278 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring spark transfer when old wires have increased resistance.\u003c\/li\u003e\n\u003cli\u003eReducing misfire symptoms caused by worn ignition leads.\u003c\/li\u003e\n\u003cli\u003eAddressing radio-frequency interference from aging ignition components.\u003c\/li\u003e\n\u003cli\u003eReplacing cracked or heat-damaged wire insulation.\u003c\/li\u003e\n\u003cli\u003eImproving ignition system consistency during routine service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify cylinder routing and terminal engagement before installation. Match the wire set to the exact vehicle application listed in the fitment data, and inspect related ignition components for wear before reassembly. Use the part number 54278 to confirm the correct replacement before ordering or service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK brings more OE ignition expertise globally than any other brand, with over 80 years of automotive experience and manufacturing built to OE standards. Part number 54278 reflects that OE-focused approach for ignition replacement service.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53725794992309,"sku":"BCDP-54278","price":132.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_54278_Fro.jpg?v=1794210994","url":"https:\/\/www.partcatalog.com\/products\/ngk-54278-spark-plug-wire-set","provider":"PartCatalog","version":"1.0","type":"link"}