One original GM water pump,casting number 3782608,date is B218.This water pump casting number was used on 1968 283s and standard 327 chevy engines.This pump is in good shape,and spins as it should,but it will need to be rebuilt before use.These are impossible to find,so dont miss out on this one.See my other listings for more hard to find items.Thanks and happy bidding.Payment is to be received within 7 days of auctions close.All items are shipped within 24 hours of payment being received.I only ship to the united states.