Ignition Coil & Iridium Spark Plugs for GMC Canyon (2015-2016) 3.6L V6
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Reliable Ignition Coil & Iridium Spark Plugs for 2015-2016 GMC Canyon
This complete ignition service kit replaces the degrading factory coils and plugs to restore optimal spark energy, mitigate misfires, and stabilize idle under heavy load.
The Stock Canyon Thermal Degradation
Factory ignition components on the GMT31XX platform, particularly the LFX 3.6L V6, are prone to heat degradation over extended mileage. Prolonged thermal cycling within the engine bay gradually breaks down the internal epoxy resin of the OEM ignition coils, leading to micro-cracking and parasitic voltage leaks. Simultaneously, factory spark plug electrodes wear down, inevitably widening the spark gap. This combined deterioration results in erratic spark timing, rough idling, hesitation under heavy engine load, and pending P0300-series misfire diagnostic trouble codes, ultimately compromising fuel efficiency and drivability.
The Engineering Solution
This 12-piece ignition overhaul kit corrects OEM deficiencies by utilizing high-dielectric epoxy and reinforced polymer housings in the ignition coils to seamlessly withstand extreme thermal loads. The primary and secondary copper windings are engineered to deliver a consistent, high-voltage output for complete, efficient combustion. Paired with advanced laser-welded iridium spark plugs, the system ensures a highly concentrated spark. The ultra-fine iridium center electrode significantly reduces the voltage required to jump the spark gap, while offering superior resistance to electrical erosion and fouling. This ensures consistent engine performance, immediate throttle response, and extended service intervals.
Technical Specifications
| Fitment | 2015-2016 GMC Canyon |
| Engine / Chassis | LFX / GMT31XX |
| Stock Output | 305 hp / 269 lb-ft (Approx) |
| Part Number | 3340078J00, 3340078J01, 3340078J02, 3340078J03, CLS1226, V40-70-0092, 921-2109, 2505-301881, 673-7300, C-761, IC649 |
Compatibility
- 2015-2016 GMC Canyon Base 3.6L V6
- 2015-2016 GMC Canyon SLE 3.6L V6
- 2015-2016 GMC Canyon SLT 3.6L V6
The GMC Truck Durability
Maintaining robust ignition health is critical for the towing and payload demands of a mid-size truck, ensuring reliable torque delivery when pulling heavy loads without the risk of misfire-induced limp mode or power loss.
Fitment
Fitment
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Warranty
Warranty
All products are backed by our Limited Lifetime Warranty. We stand by our quality. [See terms]

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$149.95