GM 7034017 – Vacuum Break Diaphragm – Delco Rochester CARBURETOR – Group 3.755 – NOS Choke Pull‑Off

$49.99

type: Unknown Type
Vendor: CorvairFarmer

Description:

GM 7034017 – Vacuum Break Diaphragm – Delco Rochester – Group 3.755 – NOS Choke Pull‑Off

Description: Genuine GM 7034017 Vacuum Break Diaphragm (Choke Pull‑Off), Group 3.755, New Old Stock in original Delco Rochester packaging. This diaphragm controls initial choke opening during cold starts, preventing flooding and ensuring proper fast‑idle operation. Correct for late‑1960s Rochester carburetors used across Chevrolet, Pontiac, Oldsmobile, Buick, and GMC applications.

Details:

  • GM Part Number: 7034017

  • Group Number: 3.755

  • Description: Vacuum Break Diaphragm / Choke Pull‑Off

  • Manufacturer: Rochester Products Division, GM

  • Condition: NOS

  • Status: Discontinued OEM part

  • Applications: Rochester carburetors (vehicle‑specific fitment depends on carb number)

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