CYLINDER + PISTON KIT COMPATIBLE HUSQVARNA FOR POWER SAWS MODELS: 136 137 CHARACTERISTICS: Ø 38 mm STANDARD QUALITY HUSQVARNA part No.: 54.120.1640 original code: 503 06 99-40 ALSO COMPATIBLE WITH: JONSERED MODELS: 2036 original code: 530 06 99-40 CZ