Upgrade your Detroit Diesel exhaust system with this pair of Detroit Diesel Graphite 11.38 Inch Diameter Exhaust Gaskets. Constructed with durable graphite material, these gaskets are 11.38 inches in diameter, long, and wide, and 0.59 inches tall, meeting EPA10 emission norms. Sold in pairs, they are directly replaceable with OE clamps and gaskets, fitting most Detroit Diesel makes and models. With direct OE replacement numbers A6804910180, 6804910180, and OTR35816, these gaskets are a practical and reliable choice for maintaining your diesel engine's performance.