Introducing the 4639577 Muffler, your go-to OEM spare part for Hitachi excavators, including models ZX670LC-3 and ZX850-3. Manufactured in China, this high-quality engine component ensures optimal performance and durability. With a swift lead time of just 1-3 days, we guarantee a seamless supply chain. Customize your packing as needed and enjoy reliable shipping options via air or sea. Welcome to visit our website!