{"product_id":"ngk-51389-spark-plug-wire-set","title":"NGK 51389 Spark Plug Wire Set","description":"\u003ch2\u003eIgnition Wire Set Overview\u003c\/h2\u003e\u003cp\u003eNGK Spark Plug Wire Set 51389 is a specific-fit ignition wire set built for classic Cadillac applications. It uses silicone insulation, a blue jacket, and noise suppression construction to support stable ignition performance and reduced electrical interference.\u003c\/p\u003e\u003cp\u003eFits 1973-1984 Cadillac Commercial Chassis, Cadillac Fleetwood, Cadillac DeVille, Cadillac Eldorado, Cadillac Seville, and Cadillac Calais, with HEI noted on select 1973-1974 applications. This NGK ignition wire set is identified by part number 51389 and stock number 51389.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpecific-fit spark plug wire set for targeted vehicle applications\u003c\/li\u003e\n\u003cli\u003eSilicone insulation for heat resistance and flexible routing\u003c\/li\u003e\n\u003cli\u003eBlue insulation color for easy visual identification\u003c\/li\u003e\n\u003cli\u003eNoise suppression design to help reduce ignition interference\u003c\/li\u003e\n\u003cli\u003eSMag core material for consistent spark delivery\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNGK 51389 is part of the NGK Spark Plug Wire Set line, a product family focused on ignition replacement parts for domestic and import vehicles. The set is engineered to meet OE-level durability and operational performance standards, drawing on NGK’s long history in ignition technology. For buyers servicing a Cadillac Commercial Chassis, Fleetwood, DeVille, Eldorado, Seville, or Calais, this wire set provides a direct replacement option with application-specific fitment.\u003c\/p\u003e\u003cp\u003eThe wire construction combines silicone insulation with noise suppression and an SMag core to support dependable ignition transfer while helping limit radio-frequency interference. Part number 51389 is also cross-referenced to Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) 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\u003eRestoring consistent spark delivery\u003c\/li\u003e\n\u003cli\u003eReducing ignition-related electrical noise\u003c\/li\u003e\n\u003cli\u003eAddressing misfire symptoms caused by deteriorated wire insulation\u003c\/li\u003e\n\u003cli\u003eServicing classic Cadillac ignition systems with specific-fit wiring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle year, model, and ignition system before installation, especially on 1973-1974 Cadillac applications with HEI. Route each wire to match the original layout and confirm secure terminal engagement at the plugs and distributor. Use the part number 51389 to confirm the correct NGK Spark Plug Wire Set before ordering.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK is an established ignition specialist with extensive OE experience and global manufacturing support. Its ignition products are built to meet OE standards for durability and performance, making NGK 51389 a dependable replacement choice for classic Cadillac ignition service.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53725784408245,"sku":"BCDP-51389","price":46.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_51389_Fro.jpg?v=1794210512","url":"https:\/\/www.partcatalog.com\/products\/ngk-51389-spark-plug-wire-set","provider":"PartCatalog","version":"1.0","type":"link"}