The Husqvarna 537039405 Muffler Assembly is a genuine OEM replacement part designed for various Husqvarna trimmers and brushcutters. This essential component helps reduce engine noise and directs exhaust gases away from the operator. It is compatible with models including 223L, 223R, 323L, 323R, 325L, 325LDX, 325LX, 325RX, 326L, 326LDX, 326LS, 326LX, 326RX, 327LS, 327LDX, 327LX, and 327RX. Weighing approximately 0.12 kg, this muffler assembly measures 95 mm in length, 51 mm in width, and 51 mm in height, ensuring a precise fit and reliable performance.