OEM Part No: 503744301, 537360601
Fits Husqvarna models 61, 265, 266, 268, 268K, 272, 272K, 362, 365, 371, 371K, 372, 375K, 570, 575, 576, K650, K750, K760. Fits Trimmer models 265RX
Fits Jonsered models 625, 630, 670, 2063, 2065, 2071, 2163, 2165, 2166, 2171, 2172
