This T-bolt clamp is designed to fit Cummins engine models K19, K38, and NT855 with QSK. It is a reliable and durable clamp suitable for use in exhaust and emission systems. The clamp is manufactured in China and has the OE/OEM part number 125741, making it a compatible replacement part for your vehicle. The clamp is made of high-quality materials and is designed to withstand heavy use. It is easy to install and offers a secure fit for your engine. This T-bolt clamp is a crucial component for your vehicle's exhaust and emission system, and it is sure to provide reliable performance for years to come.