WEBER 40 DCOE Throttle plate valve butterfly 78° with countersunk screws$ 21 ‹ › ‹ › ‹ › ‹ › Part number: ST3700Made in: EUIncludes:WEBER 40 DCOE 78° Throttle Plate Butterfly Valve with Countersunk Screws This replacement throttle plate butterfly controls the main airflow through a Weber 40 DCOE carburetor. Its position influences idle airflow, progression signal, throttle pickup, and transient response, so correct plate angle and secure attachment are important during carburetor rebuilding or throttle-shaft service. 78° throttle plate angle The plate is supplied with countersunk screws for installation through the plate into the throttle shaft. A worn, damaged, or incorrectly positioned butterfly can contribute to inconsistent idle adjustment, synchronization difficulties, or unwanted airflow around the throttle bore. The MPN is 40valve. This replacement part is suitable for carburetor service and restoration work where the original component is worn, damaged, or missing. Reference/MPN: 40valve. Technical role: 78° replacement throttle plate butterfly for a Weber 40 DCOE carburetor, controlling airflow through the throttle bore. Service relevance: Suitable for carburetor rebuilding or throttle-shaft service and supplied with countersunk screws for installation. What Is Included One 78° throttle plate butterfly valve for Weber 40 DCOECountersunk screws for throttle plate installationMade in EU. Important Fitment Note Verify that the carburetor family is Weber 40 DCOE and compare the MPN or marking, 40valve, with the part being replaced. Check the butterfly angle, plate profile, screw-hole position, and countersunk interface against the removed throttle plate. Also verify the throttle-shaft interface, screw thread, and available screw engagement before installation. Compare the replacement directly with the removed plate before final assembly, especially where throttle-bore geometry or shaft details differ between carburetor versions.What you see is what you getShow all parts
