Pump housing diaphragm to suit the following 3 barrel Weber carburettors -
40 IDAP3C
40 IF3C
40 IDL3C
40 IDS3C
40 IDA3C
40 IDT3C
40 IDTP3C
40 IT
46 IDA3C
The pump diaphram to suit is 4740701000 seen here and under the Related items tab
Please note that this diaphragm can be used to replace 4740507900 but will need to be modified by the addition of 2 further holes
47405.079
