503877903 Husqvarna Throttle Trigger

503877903 Husqvarna Throttle Trigger.  No original manufacturer’s packaging is available.  503877901 has been superseded to 503877903.  Fits Husqvarna  325LX, 325LXT, 325RX, 326L, 326LX, 325RXT, 325RDX, 325RJUX, 322C, 322L, 325CX, 325LX, 325LXT, 325RJX String Trimmer.  Fits Husqvarna  323HE3, 325HDA55, 325HDA55x, 325HE3, 325HE3x, 325HE4, 325HE4x, 326HDA, 326HDA55x, 326HDA55, 326HE3, 326HE4, 326HE4x X-Series Hedge Trimmer.  Fits Husqvarna  323P4, 325P4, 325P5X, 326P5, 326P5X X-Series Pole Saw.  Fits Husqvarna 324HDA55x Leaf Blower.  Fits Husqvarna 326 E X-Series Edger.  Also fits Husqvarna 123 C (2004-01)  123 C (2004-03)  123 L (2004-01)  123 L (2004-03)  123 LD (2004-01)  123 LD (2004-03)  223 L (2006-01)  223 L (USA) (2005-04)  322 C (1999-03)  322 C (2000-04)  322 C (2000-10)  322 C (2001-01)  322 E (1999-10)  322 E (2001-01)  322 L (1999-03)  322 L (2000-01)  322 L (2000-04)  322 L (2000-10)  322 L (2001-01)  322 L (2002-01)  323 C (2002-01)  323 C (2005-05)  323 E (2006-04)  323 HE 3 (2005-02)  323 HE 3 (2005-09)  323 HE 3 (2005-10)  323 HE 3 (2007-01)  323 L  323 L (2004-03)  323 L (2005-05)  323 L (2006-04)  323 L (2007-01)  323 L/LD (2002-01)  323 LD (2005-05)  323 P4 (2002-05)  323 P4 (2002-05)  323 R II (2008-03)  323 RJ (2005-05)  324 HDA 55X (2004-05)  324 HDA 55x (2005-09)  324 LDX (2004-05)  324 LDX (2009-06)  324 LX (2004-05)  324 LX (2009-06)  325 C/CX (2002-01)  325 CX (2000-04)  325 CX (2000-10)  325 CX (2001-01)  325 Cx (2005-05)  325 E X-Series (1999-10)