{"product_id":"ngk-54407-spark-plug-wire-set","title":"NGK 54407 Spark Plug Wire Set","description":"\u003ch2\u003eIgnition Wire Set for Classic Mercedes-Benz\u003c\/h2\u003e\u003cp\u003eNGK Spark Plug Wire Set 54407 is a specific-fit ignition wire set built for classic Mercedes-Benz applications. It uses silicone insulation, tinned copper core material, 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 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 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 54407 is part of the NGK Spark Plug Wire Set line, a product family focused on ignition replacement parts for domestic and import vehicles. This wire set is engineered with a 7.00 mm outside diameter and a tinned copper core, combining durable insulation with reliable electrical transfer. For owners and technicians servicing Mercedes-Benz 250, Mercedes-Benz 250C, Mercedes-Benz 280S, Mercedes-Benz 250SE, or Mercedes-Benz 250SL applications, this part number 54407 provides a specific-fit solution that aligns with the vehicle's ignition wiring requirements. This part cross-references Four Seasons (e.g., 54407) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing worn or damaged ignition wires.\u003c\/li\u003e\n\u003cli\u003eAddressing misfire caused by degraded wire insulation.\u003c\/li\u003e\n\u003cli\u003eReducing radio-frequency interference from the ignition system.\u003c\/li\u003e\n\u003cli\u003eRestoring consistent spark transfer in aging ignition systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the wire routing and terminal layout against the original setup before installation. Match the specific-fit configuration to the vehicle application listed for Mercedes-Benz 250, 250C, 280S, 250SE, and 250SL. Inspect related ignition components, including plugs and coils, when replacing the wire set. Confirm the part number 54407 before final installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK brings more than 80 years of ignition experience and OE-focused manufacturing standards to this wire set. The brand states that its premium ignition products are built to meet OE durability and performance expectations.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53725798662325,"sku":"BCDP-54407","price":156.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_54407_Fro.jpg?v=1794211091","url":"https:\/\/www.partcatalog.com\/products\/ngk-54407-spark-plug-wire-set","provider":"PartCatalog","version":"1.0","type":"link"}