I purchased Brand new and never installed. Crankshaft Part no. AEL32103-2 Approved for Lycoming models: O-320- A2A, A2B, A2C, A2D, B2A, B2B, B2C, D2A, D2B, D2C, D3G, E2A, E2B, E2C, E2D, E2H; IO-320- E2A, E2B; AEIO-320- E1A, E2B. tjasonl267@gmail.com