Venturi diffuser for Weber 46IDA3C carburettor - 38 mm

The 38 mm venturi diffuser is an internal component of the Weber 46IDA3C carburettor, whose role is to regulate the flow of air and fuel in order to ensure a homogeneous mixture. In the context of restoration or maintenance of a classic vehicle equipped with this carburettor, its replacement allows for a return to operation in accordance with original specifications. A deteriorated or out-of-tolerance component can indeed disrupt carburation and impair engine smoothness. This diffuser is therefore an essential element for anyone wishing to keep their Weber 46IDA3C carburettor in good working order.