Ignition Coil & Iridium Spark Plugs & Wire for GMC Yukon Yukon XL 1500 2500 (2000-2006) 4.8L 5.3L 6.0L

Heavy-Duty Ignition Coil, Wire, and Iridium Spark Plug Service Kit for 2000-2006 GMC Yukon

Complete Secondary Ignition Refresh: Replaces degraded factory coils, baked secondary leads, and worn plugs with matched components to eliminate misfires and stabilize combustion under load.

The Stock Yukon Ignition Weakness

Factory GM Gen III Vortec ignition components suffer thermal degradation from prolonged engine bay heat soak. Over high mileage, the factory epoxy insulation on stock coils develops micro-fissures, inducing dielectric breakdown and high-RPM spark scatter. Simultaneously, OEM spark plug wires deteriorate near hot exhaust manifolds, increasing resistance and degrading secondary voltage delivery to worn plugs.

The Engineering Solution

This comprehensive tune-up kit features high-output round D585-style ignition coils built with dense epoxy potting and integrated aluminum heat sinks for superior thermal dissipation. Matched with 8mm red silicone-jacketed wires featuring low-resistance stranded copper cores and stainless heat-shielded boots, it ensures maximum voltage transfer while shielding against EMI. Laser-welded iridium spark plugs offer superior erosion resistance and maintain precise gap tolerances across extreme operating temperatures.

Technical Specifications

Compatibility

• 2000-2006 GMC Yukon 4.8L V8 (Round D585 Coils)
• 2000-2006 GMC Yukon 5.3L V8 (Round D585 Coils)
• 2000-2006 GMC Yukon 6.0L V8 (Round D585 Coils)
• 2000-2006 GMC Yukon XL 1500 5.3L V8 (Round D585 Coils)
• 2000-2006 GMC Yukon XL 2500 6.0L V8 (Round D585 Coils)

The GMC Towing Caliber

Engineered to handle the continuous duty cycles of heavy towing and payload hauling, this system delivers dependable spark energy to keep your Vortec V8 running strong across severe operating conditions.