CYLINDER + PISTON KIT COMPATIBLE HUSQVARNA FOR MOTOR SAWS MODELS: 40 FOR CLEANER MODELS: 240R CHARACTERISTICS: Ø 40 mm TOP QUALITY HUSQVARNA part number: 54.120.1637 original code: 506 01 06-07 ALSO COMPATIBLE WITH: JONSERED MODELS: 2041 original code: 506 01 06-07 ALSO COMPATIBLE WITH: PARTNER MODELS: 410 original code: 506 01 06-07 CZ