The Freightliner 13.8 Inch Stainless Steel Exhaust Bellow is a durable and reliable replacement part for your Freightliner truck. With a 6-inch outer diameter and 5-inch inner diameter, this exhaust bellow is designed to fit most Freightliner makes and models. Constructed from high-quality stainless steel, it meets EPA 07 emission norms and is directly replaceable with OE parts. At 13.8 inches long, 6.1 inches wide, and 6.1 inches tall, this exhaust bellow is sold individually and comes with direct OE replacement numbers A0425022018 and OTR3FE016, making it a practical and convenient choice for your truck maintenance needs.