WEBER 44 IDF Throttle plate valve butterfly 78°$ 16.8 ‹ › ‹ › Part number: 64005.103Made in: ItalyCompatible with:Family: WEBER44 IDF 40/41 (2 pcs)44 IDF 71 (2 pcs)48 IDF 6 (2 pcs)Family: DCNF44 DCNF 69-69-1 - pn: 64005.103 (2 pcs)Family: IDF44 IDF 20-21 - pn: 64005.103 (2 pcs)44 IDF 26-27 - pn: 64005.103 (2 pcs)44 IDF 38-39 - pn: 64005.103 (2 pcs)44 IDF 40-41 - pn: 64005.103 (2 pcs)WEBER 44 IDF Throttle Plate Valve Butterfly 78° – MPN 64005.103 This throttle plate valve butterfly is used in the Weber 44 IDF carburetor throttle assembly to regulate airflow through the throttle bore. Its position on the throttle shaft controls the transition from closed-throttle idle operation into the progression and main circuits, directly influencing throttle response, airflow balance, and the vacuum signal seen by the carburetor. Specified for Weber 44 IDF carburetors with a 78° throttle plate angle. A worn, bent, incorrectly oriented, or poorly matched butterfly can contribute to throttle-bore air leakage, unstable idle adjustment, uneven synchronization, or inconsistent transient response. This genuine Weber replacement part is identified by MPN 64005.103 and is intended for service where the original plate requires replacement. This replacement part is suitable for carburetor service and restoration work where the original component is worn, damaged, or missing. Reference/MPN: 64005.103. Technical role: Replacement 78° throttle butterfly plate for the Weber 44 IDF throttle assembly, regulating airflow through the throttle bore. Service relevance: Suitable for replacing a worn, bent, incorrectly oriented, or poorly matched plate that may cause air leakage, unstable idle, or inconsistent throttle response. What Is Included Weber 44 IDF throttle plate valve butterfly, 78° – MPN 64005.103Made in Italy. Important Fitment Note Verify the carburetor family and confirm that the existing unit is a Weber 44 IDF. Check the marking or part number against MPN 64005.103, and compare the replacement plate with the removed part before installation. Confirm the butterfly angle, plate profile, shaft mounting-hole pattern, orientation, and shaft interface. The throttle plate must seat correctly in the throttle bore without binding or leaving excessive edge clearance. Compare the removed plate directly before ordering, particularly if the carburetor has been modified or previously rebuilt. Mismatched geometry or an incorrect shaft interface can prevent accurate throttle closure, synchronization, and idle adjustment.What you see is what you getShow all parts
