The Freightliner Replacement Exhaust Elbow is a practical and reliable solution for replacing the OEM part number Freightliner 04-16621-001. With a 5" diameter and made from aluminized material, this exhaust elbow fits most Freightliner makes and models. Its durable construction ensures long-lasting performance, making it a cost-effective choice for any Freightliner owner. Upgrade your exhaust system with this high-quality replacement part and enjoy improved functionality and efficiency.