THIS COIL SHAPE IS SQUARE(UF413), NOT ROUND(UF414), please check your coil shape before purchasing. We provide 1-year product quality support to our customers, if you have any questions, please contact us
Complete Ignition System Upgrade - This Pynccid ignition coil set includes 8 UF413 square coils specifically designed for 5.3L V8 engines. Achieve high performance with enhanced spark energy and smoother acceleration. As a direct OE replacement for 2007-2011 Chevy Silverado, Avalanche, Tahoe, Suburban, GMC Yukon, and Sierra models, this set ensures perfect compatibility and reliable operation with easy installation.
Superior Spark Performance - Experience consistently stable spark delivery with premium German copper windings and durable construction. These UF413 coils provide greater discharge energy than factory ignition coils for improved combustion efficiency. Enjoy reliable start in all weather conditions while reducing misfires and optimizing fuel economy for your 5.3L V8 engine.
Precision Engineered Fitment - Designed as exact OE replacement for part numbers 12570616 and UF413, these coils guarantee perfect fit for your GM vehicle. The plug-and-play design allows for straightforward DIY installation. Simply spray silicone spray during assembly to prevent rubber cracking and ensure long-lasting performance restoration.
Enhanced Durability - Built with high-quality materials including durable polyester rubber encapsulation, these ignition coils maintain stable spark under demanding driving conditions. The corrosion-resistant terminals and robust construction ensure consistent performance, providing high performance and reliable start through years of heavy use.
【BUY WITH CONFIDENCE】: comes complete with a One year warranty If you have any issues or problems about the ignition coils please reach out to us any time we will hep you resolve by our best