Muffler Gasket / Husqvarna 503 77 59-01Pack Size:1Husqvarna 503 77 59-01HL Supply H40365Husqvarna 362, 365, 371, 372, 375, 385 and 390 chainsaws Length: 2 5/8", Width: 1 1/8", Thickness: 3/32"