This T-Bolt Clamp is a high-quality product designed to fit perfectly with Cummins Engine models KTA19, KTA38, KTA50, NT855, and QSK. It is manufactured in China and is made with durable materials to ensure a long-lasting performance. In addition to its compatibility with the mentioned engines, this clamp has OE/OEM Part Number 3641131 and Manufacturer Part Number 3641131 .