{"product_id":"ford-ignition-spark-plug-wires-m12259r301-45d-red-wire-wound-stainless-steel-terminals-high-temp-silicone","title":"Ford ignition spark plug wires M12259R301 45D Red — wire-wound, stainless-steel terminals, high-temp silicone","description":"\u003cp\u003e\u003cstrong\u003eFordIgnition Spark Plug Wires M12259R301 45D Red are a wire-wound, low-resistance ignition lead set with stainless-steel terminals and silicone insulation designed to preserve spark energy and resist heat and abrasion.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Ford-branded ignition wire set is engineered for vehicle-specific fitment and built to maintain consistent spark delivery under demanding conditions. Its wire-wound core minimizes signal loss, while heavy-duty silicone boots and stainless-steel terminals increase durability and corrosion resistance. The vivid 45D red silicone provides both visual identification and high-temperature performance for modern engines or restorations.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these wires preserve spark strength on ignition cycles?\u003c\/h3\u003e\n\u003cp\u003eThe wire-wound conductor reduces electrical resistance and maintains a stable path for high-voltage pulses, minimizing energy loss between coil and spark plug. Together with the stainless-steel terminals, the system keeps contact resistance low for consistent firing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWire-wound core for reduced resistance and limited signal attenuation\u003c\/li\u003e\n\u003cli\u003eStainless-steel terminals for secure, low-resistance connections\u003c\/li\u003e\n\u003cli\u003ePrecision fit minimizes arcing and misfires\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat build features protect the wires from heat, oil, and wear?\u003c\/h3\u003e\n\u003cp\u003eThese leads use molded silicone insulation and boots that tolerate high under-hood temperatures and resist cracking from oils and chemical exposure. The silicone cover also provides flexible routing without kinking or flattening over time.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-temperature 45D silicone insulation resists heat and environmental degradation\u003c\/li\u003e\n\u003cli\u003eFlexible boots allow tight bends and neat engine bay routing\u003c\/li\u003e\n\u003cli\u003eDurable outer layer resists abrasion and common automotive fluids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these fit my vehicle and how is packaging specified?\u003c\/h3\u003e\n\u003cp\u003eThe set is labeled as vehicle-specific fitment—check the Ford part number M12259R301 against your vehicle's parts catalog or VIN to confirm compatibility. The product ships in a compact package optimized for protection and handling.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFord part number: M12259R301 for correct fit confirmation\u003c\/li\u003e\n\u003cli\u003ePackage dimensions: 19.812 x 27.432 x 9.144 cm for shipping reference\u003c\/li\u003e\n\u003cli\u003ePackage weight: approximately 2.4 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the red 45D silicone color affect performance or maintenance?\u003c\/h3\u003e\n\u003cp\u003eThe red 45D silicone is primarily a material-grade and visual choice: the 45 durometer rating balances flexibility with toughness, while the color makes routing and inspection easier during service. Color does not alter electrical performance beyond indicating the silicone formulation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e45D silicone provides a balance of flexibility and abrasion resistance\u003c\/li\u003e\n\u003cli\u003eRed color aids quick visual checks and correct cylinder routing\u003c\/li\u003e\n\u003cli\u003eColor-coded wiring reduces installation errors during maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Mechanics, restorers, and DIY enthusiasts who need a dependable, vehicle-specific ignition wire set that preserves spark energy and withstands under-hood stress. Choose the FordIgnition M12259R301 45D red set if you want a low-resistance, durable wiring solution with stainless-steel terminals and flexible silicone boots for accurate routing and long-term reliability.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these wires compatible with my Ford model?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check part number M12259R301 against your vehicle's parts list or provide your VIN to confirm vehicle-specific fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these wires resist engine heat and oil exposure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 45D silicone insulation and molded boots resist high temperatures, oil, and common automotive fluids.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Ford","offers":[{"title":"Default Title","offer_id":48084031832222,"sku":"B000CNHS64","price":94.09,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ford-ignition-wire-front-view_jpg.jpg?v=1785844185","url":"https:\/\/northtrailauto.ca\/products\/ford-ignition-spark-plug-wires-m12259r301-45d-red-wire-wound-stainless-steel-terminals-high-temp-silicone","provider":"North Trail Auto","version":"1.0","type":"link"}