{"product_id":"ngk-51203-spark-plug-wire-set","title":"NGK 51203 Spark Plug Wire Set","description":"\u003ch2\u003eNGK Spark Plug Wire Set Overview\u003c\/h2\u003e\u003cp\u003eNGK Spark Plug Wire Set 51203 is a specific-fit ignition wire set built for older Cadillac applications. It uses silicone insulation, a suppression design, and an SMag core to support stable spark delivery and reduced electrical noise.\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 for heat resistance and flexible routing\u003c\/li\u003e\n\u003cli\u003eNoise suppression design helps reduce ignition interference\u003c\/li\u003e\n\u003cli\u003eSMag core material for consistent electrical performance\u003c\/li\u003e\n\u003cli\u003eBlue insulation for easy visual identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eNGK 51203 is part of the NGK Spark Plug Wire Set line, a product family focused on ignition replacement parts. This wire set is engineered to meet OE-level durability and operational performance standards, with NGK’s long-standing ignition expertise reflected in the construction and material choices. It is a direct-fit solution for select Cadillac DeVille, Eldorado, Seville, Fleetwood, Allante, Commercial Chassis, and 60 Special applications. This part cross-references Gates (e.g., 6894, 6896) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring spark transfer when original wires are worn or degraded\u003c\/li\u003e\n\u003cli\u003eReducing misfire symptoms caused by damaged insulation or core wear\u003c\/li\u003e\n\u003cli\u003eAddressing ignition noise that can affect engine operation\u003c\/li\u003e\n\u003cli\u003eReplacing aging wires on vehicles with original-style ignition layouts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 1989-1992 Cadillac Allante, N\/A. Fits 1990-1995 Cadillac DeVille, N\/A. Fits 1993 Cadillac 60 Special, N\/A. Fits 1990-1993 Cadillac Commercial Chassis, N\/A. Fits 1990-1993 Cadillac Eldorado, N\/A. Fits 1990-1992 Cadillac Fleetwood, N\/A. Fits 1990-1993 Cadillac Seville, N\/A. Match each lead to the correct cylinder routing before installation and verify secure terminal engagement at both ends. Use the part number 51203 to confirm the correct application before ordering.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNGK brings more than 80 years of ignition experience and a global OE-focused product legacy to this wire set. Part number 51203 is manufactured to support OE standards for durability and performance.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":53725781196981,"sku":"BCDP-51203","price":56.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NG_51203_Fro.jpg?v=1794210326","url":"https:\/\/www.partcatalog.com\/products\/ngk-51203-spark-plug-wire-set","provider":"PartCatalog","version":"1.0","type":"link"}