{"product_id":"ignition-coil-spark-plugs-for-chevrolet-suburban-2500-gmc-yukon-xl-2500-2001-2002-8-1l-v8","title":"Ignition Coil \u0026 Spark Plugs for Chevrolet Suburban 2500 GMC Yukon XL 2500 (2001-2002) 8.1L V8","description":"\u003ch2\u003eHigh-Output Ignition Coil \u0026amp; Spark Plugs for 2001-2002 Chevrolet, GMC Suburban, Yukon 2500\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This complete 24-piece ignition kit replaces degraded OEM coils, wires, and spark plugs to restore optimal spark energy and eliminate misfires on heavy-duty 8.1L V8 applications.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Suburban, Yukon Ignition Degradation\u003c\/h3\u003e\n\u003cp\u003eThe factory ignition system on the GMT800 chassis equipped with the Vortec 8100 L18 V8 is notorious for thermal degradation. Because the heavy-duty 8.1L generates immense engine bay temperatures during towing or hauling operations, the OEM coil packs and spark plug wires suffer from accelerated heat soak. Over time, the factory wire coating hardens and cracks, creating pinhole leaks that lead to voltage bleed-off, erratic misfires, rough idling, and diminished fuel economy. Additionally, failing coils force the engine to pull timing, severely limiting the low-end torque these 3\/4-ton trucks rely on.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive ignition system upgrade targets the root cause of spark blowout and thermal failure. The newly redesigned coil packs utilize high-grade copper windings and premium epoxy potting to isolate internal components from extreme engine heat, ensuring consistent high-energy output. Paired with upgraded spark plug wires featuring a thick, temperature-resistant silicone jacket, this kit actively resists cracking and dielectric breakdown. By delivering a concentrated, high-voltage spark directly to the combustion chamber, this system eliminates misfires, stabilizes idle quality, and restores maximum voltage under heavy engine loads.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2001-2002 Chevrolet, GMC Suburban 2500, Yukon XL 2500\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eVortec 8100 L18 V8 \/ GMT800 (GMT830)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e340 hp \/ 455 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eD580, 5C1078, 12556450, 12558948, UF192\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2001 Chevrolet Suburban 2500 8.1L V8\u003c\/li\u003e\n  \u003cli\u003e2002 Chevrolet Suburban 2500 8.1L V8\u003c\/li\u003e\n  \u003cli\u003e2001 GMC Yukon XL 2500 8.1L V8\u003c\/li\u003e\n  \u003cli\u003e2002 GMC Yukon XL 2500 8.1L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Chevrolet, GMC Hauling Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt for the severe demands of heavy-duty hauling, upgrading your ignition system ensures your 3\/4-ton SUV maintains uncompromised reliability, stable idling, and consistent towing power, even on the steepest grades.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50065386963192,"sku":"DS-EWVTPFI9P","price":239.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-spark-plugs-for-chevrolet-suburban-2500-gmc-yukon-xl-2500-2001-2002-8-1l-v8-1.webp?v=1785257210","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-spark-plugs-for-chevrolet-suburban-2500-gmc-yukon-xl-2500-2001-2002-8-1l-v8","provider":"Performance Chip Tuning","version":"1.0","type":"link"}