Dellorto 40/45 DHLA carburetor pump diaphragm replace$ 6.1 ‹ › ‹ › Dellorto 40/45 DHLA Carburetor Pump Diaphragm Replacement Replacement pump diaphragm for Dellorto DHLA carburetors identified with the 40/45 DHLA application. The pump diaphragm operates in the accelerator-pump circuit, flexing to deliver an additional fuel charge when the throttle opens. This enrichment supports transient response and helps prevent hesitation during rapid acceleration. This replacement part is suitable for carburetor service and restoration work where the original component is worn, damaged, or missing. Reference/MPN: diadhla. Technical role: Replacement diaphragm for the accelerator-pump circuit in Dellorto 40/45 DHLA carburetors. Service relevance: Supports the additional fuel charge required during rapid throttle opening to help prevent hesitation. What Is Included One replacement Dellorto DHLA carburetor pump diaphragm Important Fitment Note Verify that the carburetor family is Dellorto DHLA and that the 40/45 application matches your carburetor before ordering. Confirm the MPN or marking against diadhla where identification is available. Compare the replacement diaphragm with the removed part for overall shape, mounting-hole pattern, outer perimeter, center features, and the pump-cover sealing interface. Check the diaphragm geometry and contact area carefully; thread or seat-style requirements are not interchangeable between unrelated pump assemblies. Compare the removed diaphragm and pump assembly directly before installation, especially if the carburetor has been modified or previously rebuilt.What you see is what you getShow all parts
