503816001 Husqvarna Spring

503816001 Husqvarna Spring.  Fits Husqvarna: 325 LX (2000-10) Trimmer 325 LX (2001-01) Trimmer 325 LXT (2000-01) Trimmer 325 RX (2002-01) Trimmer 326 C (2001-03) Trimmer 326 L (2001-03) Trimmer 326 LX (2001-03) Trimmer 325 RXT (2002-01) Trimmer 325 RDX (2002-01) Trimmer 325 RJX (2002-01) Trimmer 326 SX (2002-10) Sweeper