THAT SENDING UNIT WILL WORK, IT MAY NOT READ THE EXACT SAME PRESSURE READIGN AS YOU OLD ONE BUT IT WILL AT LEAST SHOW YOU THAT IT IS MAKING PRESSURE , THE SMALL CAPACITOR IS JUST FOR RADIO NOISE SUPPRESSION, AS THE WIPER IN THE CANNISTER MOVES ACROSS THE RESISTANCE WIRE , IT WILL WORK FINE WITH OUT IT.. JERRY