COMPLETE CLUTCH SPRING FOR POWER SAW ENGINE MODELS: 362 365 371 372 HUSQVARNA CODE: 54.150.0500 541500500 ORIGINAL CODE:503 74 44-01 5037444-01 ALSO COMPATIBLE WITH: JONSERED FOR POWER SAW ENGINE MODELS: 2063 2065 2071 2163 2165 2171 original code: 503 74 44-01 503 74 44-01 CZ