Replacement Tecumseh AQ148 Carburetor *Dellorto Type suitable for some Atco Balmoral/ Qualcast Classic Petrol models fitted with the following engine; AQ148 - E45020B, E45020C, E45520E****This won't fit engines with spec numbers E-35009 / E-35010 (Tillotson carburetor)Also! Slight adjustme..