Heater hose

[colin davies]

Could somebody please tell me what the i.d. of the heaterhose (matrix to engine) is, it looks like 19mm (3/4") I'd like to be sure before I remove old.

Also the i.d. of main rad hoses, the long ones, for future ref: It's a DG engine if that makes a difference

[Ray]

On a spare set in shed that I bought off e bay some while ago the ID is 15mm but one end only widens to 25mm for about 3cms.

[colin davies]

Thanks for that Ray, is that common to all, the diameter increase at one end,

[billy739]

i belive not

think its diesels and possibly early petrol cooling system