Sonnax offers BW-IM-1B a direct replacement impeller assembly for the BorgWarner 310MM LU (Chrysler A618), 47RE, 48RE Cummins Diesel.
The center hole of Sonnax brazed impeller assembly BW-IM-1B has been left unfinished to allow use of either OE or aftermarket hubs. Measure the locating diameter of the impeller hub you intend to use. The impeller center hole must be machined to accept that diameter.