The OEM # 12173547 GM General Motors AC DELCO spark plug wire set is a high-quality replacement part designed for cars and trucks. This set includes ignition wires made with durable silicone material to ensure reliable performance and heat resistance. With the OE/OEM part number 12173547, these spark plug wires are specifically engineered to meet the requirements of GM vehicles, providing a perfect fit and functionality. Upgrade your ignition system with this ACDelco spark plug wire set for optimal performance and durability.