Autoexact 8-Set Ignition Coil Packs & Iridium Spark Plugs Kit UF413 for GM Trucks (6.0L & 5.3L)

Overview

The Autoexact UF413 kit combines six OE-grade ignition coils with six iridium spark plugs, designed to refresh ignition performance on a wide range of GM trucks and SUVs. Built for engines like the 6.0L and 5.3L powertrains, this kit aims to deliver stronger, more consistent sparks and a smoother running engine in everyday driving conditions. While individual results will vary, this upgrade is intended to support improved throttle response and reliability without requiring major changes to your vehicle.

Each component is selected for durability and compatibility. The coils are epoxy-potted to resist heat and wear, while the iridium plugs are pre-gapped for reliable cold starts and steady acceleration. The package is engineered for a clean, direct replacement feel with minimal downtime and a straightforward DIY installation for most enthusiasts.

What You Get

• 6 ignition coils engineered for direct OEM replacement
• 6 pre-gapped iridium spark plugs (high-durability fine-wire design)
• Factory pre-lubricated green dielectric grease for easy seating
• Torque guidance: 11.06 ft-lb (15 N·m) recommended for proper seating
• Reference OE/REPLACE numbers to help verify fitment with your model

Key Benefits (Possibilities, Not Guarantees)

• Potential restoration of power and improved throttle response on affected engines
• Reduction in rough idle and misfires for a steadier running engine
• More reliable starts and smoother acceleration under everyday driving
• Heat-resistant coil design supports durable performance in typical operating conditions
• Direct OEM-style replacement with no modifications required for many GM models
• Backed by a 2-year warranty and lifetime technical support for peace of mind

Installation & Fit

Designed for a plug-and-play installation, this kit matches year, make, model, and engine specifications. Expect a straightforward swap with basic tools; refer to the detailed photos on the product page for guidance. A careful seating of each part and the recommended torque help ensure a proper seal and performance.

Compatibility at a Glance

Suitable for a broad range of GM configurations, including but not limited to Chevy Silverado, Tahoe, Suburban, Express, and GMC Sierra/Yukon/Yukon XL with 5.3L or 6.0L engines, plus related models and years. Always confirm your exact year, make, model, and engine before purchase to ensure a correct fit.

Quality & Support

Every coil is tested for voltage output, insulation, and sealing integrity. The product is supported by a 2-year warranty and lifetime technical support, reflecting Autoexact’s commitment to reliable parts and user assistance.