57902-5 - BASE ASSEMBLY - 12 INCH REPLACES PART #'S 57902-1, 54408-5, 54408-2, 57902-2. FOR THE FOLLOWING EUREKA/SANITAIRE MODELS. C2132A, C2094FB, S657A, S661A, S661B, S661D, S661E, C2132B, C2132B-1, C2132B, C2132B-2, C2132B-3, C2133A, HD2094A, SC689A, SC689A-1, SC689A-2, SC689A-3