The Genuine GM Driver Side Positive Crankcase Ventilation (PCV) Tube 12670791 is a high-quality, direct replacement part for Cadillac, Chevrolet, and GMC vehicles. Made of durable plastic, this OEM part is designed to fit specific make and model years, ensuring optimal performance and reliability. This genuine GM product is a one-unit quantity and is a perfect fit for those looking to replace their existing PCV tube with a trusted and authentic component.