Each bid is for a set of 5 new water pump bolts.  These bolts will attach your water pump to the aluminum water pump housing on a variety of vintage Mercedes vehicles from the 1960's through the early 1990's.    Replace your old, rusty bolts with fresh ones.   Some vehicles may not use all five bolts, but a set of 5 will be provided.  If you're not certain whether or not these bolts will fit your vehicle, simply send a message.