[OE Part Numbers] 4pcs chainsaw exhaust muffler bolts with OE part numbers 503204587 engineered to meet original fit and fastening requirements. [Compatibility] Compatible with Husqvarna 340, 345, 346, 350, 353 chainsaw models that use these exhaust mounting bolts. [Functionality] Designed to securely fasten the muffler assembly to the chainsaw body, maintaining proper exhaust routing and reducing vibration during operation. [Material] Made from durable steel construction to provide strength, corrosion resistance, and long‑lasting performance in demanding outdoor cutting applications. [Easy Installation] Standard bolt thread and size allow straightforward installation into existing muffler mounts for quick replacement and maintenance., Manufacturer: LT Easiyl