{"product_id":"tcooklit-spark-plug-wires-for-chevy-gmc-cadillac-v8-10-2mm-dual-silicone-emi-rfi-suppression","title":"TCOOKLIT Spark Plug Wires for Chevy GMC Cadillac V8 — 10.2mm Dual-Silicone, EMI\/RFI Suppression","description":"\u003cp\u003e\u003cstrong\u003eTCOOKLIT High Performance Spark Plug Wires are a direct-fit replacement set engineered for V8 Chevy, GMC and Cadillac engines to restore ignition reliability and reduce electrical interference.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf your V8 is running rough, misfiring, or you've noticed reduced throttle response, aged or damaged spark plug wires are a common cause. This TCOOKLIT set replaces a wide range of OEM part numbers and fits many 4.8L, 5.3L, 5.7L, 6.0L and 6.2L GM V8 engines, offering heavy-duty construction, superior EMI\/RFI suppression, and a one-year unlimited-mileage warranty for confidence during installation and use.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines does this wire set fit?\u003c\/h3\u003e\n\u003cp\u003eThese wires are designed to match factory routing and reach for numerous GM V8 applications. They list compatibility across Chevrolet, GMC, Cadillac and select Pontiac models spanning late 1990s through 2021 production years.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet: Silverado, Suburban, Avalanche, Tahoe, Express, Camaro, Impala (various years specified).\u003c\/li\u003e\n  \u003cli\u003eGMC: Sierra, Yukon, Savana, Envoy models within listed ranges.\u003c\/li\u003e\n  \u003cli\u003eCadillac and Pontiac: Escalade family and G8 compatibility included.\u003c\/li\u003e\n  \u003cli\u003eEngine sizes: 4.8L, 5.3L, 5.7L, 6.0L, 6.2L V8 platforms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction improve performance?\u003c\/h3\u003e\n\u003cp\u003eThe TCOOKLIT set uses thicker 10.2mm conductors plus a dual-silicone outer jacket and heat-resistant core to handle under-hood temperatures while minimizing interference. Together these elements support cleaner sparks and safer electrical paths compared with brittle or worn stock wires.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10.2mm heavy-duty core for low resistance and consistent firing.\u003c\/li\u003e\n  \u003cli\u003eDual silicone jacket for added abrasion and heat protection.\u003c\/li\u003e\n  \u003cli\u003eEngineered EMI\/RFI suppression to reduce electronic noise affecting sensors and radios.\u003c\/li\u003e\n  \u003cli\u003eDesigned terminals for secure, OEM-style connections at coil and plug ends.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will replacing wires affect drivability and fuel economy?\u003c\/h3\u003e\n\u003cp\u003eFresh, correctly routed spark plug wires can restore consistent ignition timing and cylinder firing, which helps smooth acceleration and can improve fuel efficiency when misfires or weak sparks were present. Results depend on overall engine condition and other ignition components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces misfires caused by arced or degraded insulation.\u003c\/li\u003e\n  \u003cli\u003eHelps regain steady throttle response and idle stability.\u003c\/li\u003e\n  \u003cli\u003eMay improve MPG slightly if prior wires caused incomplete combustion.\u003c\/li\u003e\n  \u003cli\u003eWorks best when installed with good plugs, coil packs, and proper tuning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and customer support comes with this product?\u003c\/h3\u003e\n\u003cp\u003eTCOOKLIT backs these ignition wires with a one-year unlimited-mileage guarantee and a customer support promise to respond within 24 hours. That provides a safety net if any fitment questions or early defects occur after purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-year unlimited-mileage warranty coverage.\u003c\/li\u003e\n  \u003cli\u003e24-hour response window for customer inquiries and installation help.\u003c\/li\u003e\n  \u003cli\u003eReplacement or solution provided if parts arrive damaged or incorrect.\u003c\/li\u003e\n  \u003cli\u003eKeep vehicle and part details handy when contacting support for fastest resolution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: TCOOKLIT High Performance Spark Plug Wires are aimed at DIY mechanics and professional technicians working on GM V8 trucks, SUVs and performance cars who need a robust, cost-effective replacement set. Choose this kit if you require OEM-match fitment across a broad range of Chevy, GMC, Cadillac and Pontiac V8 engines, want improved electrical suppression and durability over aged factory wires, and value a manufacturer-backed warranty for peace of mind.\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: Do these wires match OEM part numbers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They replace many OEM numbers listed, including 48322, 19301299, 88894394 and others for GM V8s.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these fit my 5.3L Silverado?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your Silverado year falls within the listed ranges (2000–2021) and uses a compatible V8, these wires are designed to fit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TCOOKLIT","offers":[{"title":"Default Title","offer_id":48084585087134,"sku":"B0GSZDHS1W","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tcooklit-front-packaging.jpg?v=1785859977","url":"https:\/\/northtrailauto.ca\/products\/tcooklit-spark-plug-wires-for-chevy-gmc-cadillac-v8-10-2mm-dual-silicone-emi-rfi-suppression","provider":"North Trail Auto","version":"1.0","type":"link"}