A product for use with a turbocharger system, the product comprising: a housing (16, 26, 32); a shaft that rotates and extends into the housing (16, 26, 32); a compressor wheel connected to the shaft; an insert assembly (64, 100, 110, 140) disposed around the shaft and positioned between the compressor wheel and the housing (16,26,32); wherein the insert assembly (64, 100, 110, 140) comprises a first component (65, 101, 112, 144) and a second component (70, 107, 111, 142), wherein the first (65, 101, 112, 144) and second components (70, 107, 111, 142) are engaged through a series of intermeshing elements (94, 95, 136, 138, 168, 170, 174, 176) defining a tortuous sealing path, and the second component (70, 107, 111, 142) comprising an axial opening (75, 114, 146) with an annular wall (76, 115, 148) extending radially around the axial opening (75, 114, 146), the annular wall (76, 115, 148) terminating in a circumferential wall (77, 116, 150) that extends axially, the second component (70, 107, 111, 142) also comprising an engagement wall (79, 118, 152) that extends axially and that is located radially inside from and spaced apart from the circumferential wall (77, 116, 150), the engagement wall (79, 118, 152) including an annular ridge (80, 103, 120, 154) extending radially outward, wherein an annular cavity (81, 122, 156) is defined between the circumferential wall (77, 116, 150) and the engagement wall (79, 118, 152), the first component (65, 101, 112, 144) comprising a cylindrical section (84, 104, 126, 160) that extends axially through the axial opening (75, 114, 146), and the first component (65, 101, 112, 144) also comprises a flinger section (90, 102, 130, 162) that extends along the annular ridge (80, 103, 120, 154) and radially outward from the cylindrical section (84, 104, 126, 160), the flinger section (90, 102, 130, 162) directed into the annular cavity (81, 122, 156). a housing (16, 26, 32); a shaft that rotates and extends into the housing (16, 26, 32); a compressor wheel connected to the shaft; an insert assembly (64, 100, 110, 140) disposed around the shaft and positioned between the compressor wheel and the housing (16,26,32); wherein the insert assembly (64, 100, 110, 140) comprises a first component (65, 101, 112, 144) and a second component (70, 107, 111, 142), wherein the first (65, 101, 112, 144) and second components (70, 107, 111, 142) are engaged through a series of intermeshing elements (94, 95, 136, 138, 168, 170, 174, 176) defining a tortuous sealing path, and the second component (70, 107, 111, 142) comprising an axial opening (75, 114, 146) with an annular wall (76, 115, 148) extending radially around the axial opening (75, 114, 146), the annular wall (76, 115, 148) terminating in a circumferential wall (77, 116, 150) that extends axially, the second component (70, 107, 111, 142) also comprising an engagement wall (79, 118, 152) that extends axially and that is located radially inside from and spaced apart from the circumferential wall (77, 116, 150), the engagement wall (79, 118, 152) including an annular ridge (80, 103, 120, 154) extending radially outward, wherein an annular cavity (81, 122, 156) is defined between the circumferential wall (77, 116, 150) and the engagement wall (79, 118, 152), the first component (65, 101, 112, 144) comprising a cylindrical section (84, 104, 126, 160) that extends axially through the axial opening (75, 114, 146), and the first component (65, 101, 112, 144) also comprises a flinger section (90, 102, 130, 162) that extends along the annular ridge (80, 103, 120, 154) and radially outward from the cylindrical section (84, 104, 126, 160), the flinger section (90, 102, 130, 162) directed into the annular cavity (81, 122, 156).