The Freightliner Replacement Exhaust Elbow is a practical and reliable solution for replacing the 04-17123-024 OEM part. With a 5" diameter and aluminized construction, this exhaust elbow fits most Freightliner Century makes and models. Its durable design ensures long-lasting performance and efficient exhaust flow. Sold individually, this product offers a cost-effective solution for maintaining the functionality of your Freightliner truck. Upgrade your exhaust system with this high-quality replacement part.