WRONG PRODUCT

I BOUGHT A GEARBOX FOR FOR VOLVO S60 T5, 2002 MODEL ON THE 05 MARCH 2015 THEN THEY DELIVERED FOR S40 T5, A PERSON THAT I SPOKE TO WAS MELLISA, I CALLED TO SAY THEY SENT ME THE WRONG GEARBOX UNFORTUNATELY SHE WAS NOT THERE I SPOKE TO SOME GUYS BY THE NAMES OF PETER, KHAN. THEN THEY COULD NOT HELP ME THEN MELLISA CAME BACK UNFORTUNATELY THE WRONG GEARBOX WAS SENT AGAIN NOW IT WAS FOR S40, 2007, SO I CALLED ON TUESDAY 07 APRIL I SPOKE TO PETER AND HE PROMISED TO CALL ME AFTER 10 MINUTES AS USUAL HE NEVER CALLED IT WAS PAST 11 IN THE MORNING UNTIL I CALLED HIM AGAIN AT PAST 12 UNFORTUNATELY I COULD NOT GET HOLD OF HIM I THEN SPOKE TO MIKE WHO PROMISED TO HELP ME BUT SO FAR THERE IS NO HELP I RECEIVED, THEN I CALLED THIS MORNING I FOUND PETER AND HE PROMISED TO CALL ME AT 10 THAT WAS 9 Oclock IN THE MORNING, AS USUAL HE NEVER CALLED I CALLED HIM AGAIN IT WAS 11:21THIS MORNING TO FIND OUT WHAT WAS GOING ON HE THEN TOLD ME THAT THEY DON'T HAVE, I THEN ASKED FOR A REFUND AFTER THAT HE ASKED ME TO SEND BANKING DETAILS OF WHICH I DID AFTER THAT I CALLED AT TWELVE TO FIND OUT WHEN WILL THE MONEY BE REFUNDED, HE TELLS ME HE DOESN'T KNOW BECAUSE HE DOES NOT WORK WITH THE ACC NEED MY MONEY BACK