Ignition Coil + Spark Plugs for Chevrolet Silverado (2017-2019) 6.0L
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Direct-Fit Ignition Coil and Spark Plug Tune-Up Kit for 2017-2019 Chevrolet Silverado (K2XX)
What it Does: The direct-fit ignition kit restores combustion efficiency and eliminates cylinder misfires on the 2017-2019 Chevrolet Silverado 6.0L by delivering consistent high-voltage spark output under heavy load.
The Stock Chevrolet Silverado Ignition Breakdown
Under heavy towing duty, the factory ignition components on the K2XX platform face thermal degradation. Constant high-temperature cycles inside the heavy-duty engine bay break down internal coil epoxy windings and weaken primary/secondary winding insulation. Over time, this leads to micro-arcing, intermittent secondary ignition breakdown, and burned electrodes on high-mileage plugs. As internal resistance climbs, the factory ECM records erratic misfires, sluggish throttle response, elevated exhaust gas temperatures, and decreased fuel economy under payload.
The Engineering Solution
This comprehensive tune-up kit replaces deteriorating components with 8 high-dielectric replacement ignition coils engineered to interchange with UF413 and 12611424 specifications, paired with 8 fine-wire NGK 3186 platinum spark plugs. The ignition coils feature premium copper windings, thermal-resistant epoxy potting, and reinforced silicon boots to insulate against high underhood heat soak and prevent spark flashover. The matched platinum spark plugs resist electrical erosion, maintain stable gap clearances across extended operation, and optimize combustion speed in the Vortec L96 / LC8 combustion chambers.
What's Included
- 8 Energy Ignition Coils
- 8 NGK Platinum Spark Plugs
Technical Specifications
| Fitment | 2017-2019 Chevrolet Silverado |
|---|---|
| Engine / Chassis | 6.0L Vortec L96 / LC8 / K2XX |
| Stock Output | 360 hp / 380 lb-ft |
| Replaces OEM Part # | UF413, 3186, 178-8411, GN10165, IC533, 8265, 82653, 48713, U5132, C-721, D510C, 12570616, 12611424, D513A, 140043, 140043-8, 140043K, 140043K-8, 2IC422, 50227, 36-1192, 5115, 2505-311071, E893, C1351, C1511, C1511-8, 2-50069, C1511DLGKIT, 8125706160, 8126114240, 5C1154, 5C1554, IC533SB, UF413T, 673-7002, 52-1712, 52-1819, C1511SPEC, 2-50227, EBC1789, 26A1042, 098622A210, IGC0150, GM1316053, SKIC048, CUF413, C1511VC, 920-1061, 2IGC0303 |
Compatibility
- 2017-2019 Chevrolet Silverado 2500 HD 6.0L
- 2018-2019 Chevrolet Silverado 3500 HD 6.0L
Frequently Asked Questions & Fitment Warnings
Does this fit the K2XX Silverado?
Yes, this is a direct fit for the 2017-2019 Chevrolet Silverado equipped with the 6.0L Vortec engine. This kit is not universal and does not fit 1500 models or alternate V8 displacements such as the 5.3L or 6.2L EcoTec3 engines.
Are spark plug wires included in this service kit?
No, spark plug wires are not included with this kit, though replacing the secondary plug wires during installation is recommended if high resistance or boot tears are found.
The Chevrolet Heavy-Duty Caliber
Heavy-duty hauling demands unwavering secondary ignition output to maintain power across sustained grade climbs. This complete 8-cylinder ignition overhaul restores consistent combustion pressure, ensuring your heavy-duty truck maintains dependable towing capability, clean idle stability, and factory durability across severe working environments.
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