Fits:
Century 1040B SDU3 (06/2005 - Current)
Century 1060S SDU3 (03/2006 - Current)
Century 1075S SDU4 (11/2007 - 07/2011)
Century 1140 & 1130 SDU4 & LDU, REV A (11/2009 - Current)
Challenger 6807, 8807 & 9907 SDU2 (01/2002 - Current)
Challenger 9909 & 8808 Rotators (12/2001 - Current)