Dealing with check engine lights or performance issues on your GM vehicle? This TRQ variable valve timing solenoid might be your solution! Specifically designed for 3.6L V6 engines in Cadillac, Chevrolet, and GMC vehicles from 2016-2021 models, this premium replacement part restores proper engine timing and performance. The anodized housing prevents premature wear, while the improved oil flow design enhances fuel economy and reduces emissions. This direct bolt-on replacement requires no modifications and comes pre-calibrated for easy installation. Compatible with popular models including Chevrolet Colorado, GMC Acadia, Chevrolet Camaro, Cadillac XT5, Chevrolet Blazer, and many more. Cross-references to multiple OEM part numbers including GM 12671336, Dorman 916-519, and several others. TRQ recommends replacing both intake and exhaust solenoids as a pair to ensure consistent oil flow and prevent premature wear of timing components. Each part undergoes rigorous testing in their Massachusetts R&D facility to ensure trusted, reliable quality. Backed by comprehensive DIY installation videos that walk you through the replacement process step-by-step. Always verify fitment using Amazon's Garage feature and check the detailed compatibility chart before purchasing. A quality aftermarket solution that delivers OEM-level performance without the dealership price tag, perfect for DIY enthusiasts and professional mechanics alike!