{"product_id":"ngk-54139-spark-plug-wire-set","title":"NGK 54139 Spark Plug Wire Set","description":"\u003ch2\u003eIgnition Wire Set Overview\u003c\/h2\u003e\u003cp\u003eNGK spark plug wire set 54139 is a specific-fit ignition wire set built for Mercedes-Benz V12 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 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 54139 is engineered as a replacement spark plug wire set for select Mercedes-Benz models, including the SL600, S600, 600SEC, 600SEL, and 600SL. This part number 54139 is built with a silicone jacket and tinned copper core to support dependable ignition performance in demanding engine bay conditions. As part of the NGK Spark Plug Wire Set line, it reflects NGK’s focus on OE-level ignition components and broad coverage for domestic and import vehicles.\u003c\/p\u003e\u003cp\u003eThis part cross-references Anchor (e.g., 9367, 9908) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMisfires caused by worn or damaged ignition wires.\u003c\/li\u003e\n\u003cli\u003eElectrical noise that can affect ignition system operation.\u003c\/li\u003e\n\u003cli\u003eCracked or heat-aged wire insulation.\u003c\/li\u003e\n\u003cli\u003eWeak spark transfer from the ignition system to the plugs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle application before installation and route each wire to match the original layout. Inspect related ignition components, including spark plugs and coils, when replacing the wire set. Confirm the part number 54139 and the vehicle’s engine configuration before service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK brings more than 80 years of automotive ignition experience and manufactures premium ignition products to meet OE standards. The brand’s OE legacy and global manufacturing focus support consistent product quality for service replacement use.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53725791649973,"sku":"BCDP-54139","price":795.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_54139_Fro.jpg?v=1794210881","url":"https:\/\/www.partcatalog.com\/products\/ngk-54139-spark-plug-wire-set","provider":"PartCatalog","version":"1.0","type":"link"}