MY 1990 CELEBRITY WITH A 4.3 LITER MERCRUISER NEEDS A STARTER, FROM MERCRUISER IT IS 250 DOLLARS BUT I CAN GET ONE FROM ORIELYS FOR 80 DOLLARS. THEY SAID IT IS JUST A REGULAR CHEVY STARTER. IS THERE ANY DIFFERENCE? IF THERE IS IS IT GOING TO MATTER IF I PUT THE DIFFERENT STARTER ON? THANKS IN ADVANCE