NOS Ford D1FZ‑9K799‑A Decel Diaphragm This is a genuine FoMoCo New Old Stock deceleration diaphragm, part number D1FZ‑9K799‑A. This part has been stored for decades and has never been installed.

These are extremely hard to find in NOS condition, and Ford discontinued them many years ago. Perfect for concours restorations or keeping your classic Ford running the way it should.

Condition

• New Old Stock (NOS)

• Never installed

• Stored in a climate‑controlled parts warehouse

• May show light shelf wear from long‑term storage

Applications (Known / Common Fitment)

• 1971–1973 Ford Pinto

• 1971–1973 Ford Maverick

• 1971–1973 Mercury Comet

• Other Ford/Mercury models using the same decel valve assembly