Ignition Coil & Iridium Spark Plugs & Wire for Chevrolet Suburban 1500 2500 (2000-2006) 5.3L 6.0L

Direct-Fit High-Output Ignition Overhaul Kit for 2000-2006 Chevrolet Suburban

What it Does: Restores high-load secondary ignition voltage and resolves cylinder misfires across the entire operating RPM range on GMT800 platforms.

The Stock Suburban Secondary Ignition Failure

Factory Gen III Vortec ignition systems suffer severe heat soak from close proximity to cast-iron exhaust manifolds. Over repeated thermal cycles, factory coil epoxy develops micro-fractures, permitting moisture intrusion, high-voltage dielectric breakdown, and carbon tracking. Concurrently, aged carbon-impregnated OEM wires break down internally, elevating resistance past allowable factory thresholds and triggering P0300 random misfire codes, degraded fuel economy, and power loss under load.

The Engineering Solution

This comprehensive tune-up kit utilizes round D585/UF262-style coil architecture with external aluminum heatsinks and vacuum-poured high-dielectric epoxy to prevent thermal arc-through. Paired with 8mm high-tear silicone spark plug wires featuring stainless steel heat-shielded terminals and low-resistance cores, secondary voltage transfers with minimal loss despite intense manifold heat. Fine-wire iridium spark plugs provide superior flame kernel propagation, maintaining stable arc gaps under demanding towing conditions.

Technical Specifications

Compatibility

• 2000-2006 Chevrolet Suburban 1500 5.3L V8 (Round UF262 / D585 Coils)
• 2000-2006 Chevrolet Suburban 1500 6.0L V8 (Round UF262 / D585 Coils)
• 2000-2006 Chevrolet Suburban 2500 6.0L V8 (Round UF262 / D585 Coils)
• Notice: Confirm original coils use the round heatsink body; will not fit square UF271 brackets.

The Chevrolet Towing Standard

Built to withstand sustained high-load towing and elevated engine bay temperatures, this ignition package delivers consistent combustion stability and throttle response required for heavy GMT800 hauling.