Sirona CEREC MC XL Spindle Motor S1 Replacement. The item "(2) Used Sirona CEREC MC XL Spindle Motor S1 Repl.REF 6149046 TESTED WORKING" is in sale since Saturday, June 17, 2017. This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Dental Equipment\Dental Lab\Dental Lab Equipment". The seller is "cadcamhero" and is located in Fort Worth, Texas. This item can be shipped worldwide.