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| Feature | Specification |
| Primary Part Number | D4FZ-9350-B (Ford/Motorcraft) |
| Alternate OEM | D4FZ-9350-A (Original or early remanufactured variant) |
| Function | Mechanical Fuel Pump (Diaphragm-style, engine-mounted fuel delivery for carbureted engines) |
| Voltage | Not applicable (Engine-driven, via push-rod or cam lobe) |
| Pressure | Low Pressure (Typically 4.5 - 5.5 PSI for carbureted systems) |
| Ports | Two or Three Ports (Inlet, Outlet, and sometimes a Vapor Return) |
| Construction | Die-cast Metal Body with Lever Arm and Mounting Flange |
| Typical Use | Original Equipment (OE) component mounted to the engine block or timing cover. |
| Vehicle/Truck | Years | Engine Type | Notes |
| Ford Mustang II | 1974 | V8 302 CID, I4 2.3L | Used on carbureted models. |
| Ford Pinto | 1974 | I4 2.3L | Used on carbureted models. |
| Mercury Bobcat | 1974 | I4 2.3L | Used on the Mercury equivalent of the Pinto. |
| Ford Maverick | 1974 | I6 200 CID, V8 302 CID | Used on carbureted models. |
| Mercury Comet | 1974 | I6 200 CID, V8 302 CID | Used on carbureted models. |
| Ford Truck/Van | 1974 | I6 200 CID, V8 302 CID | May fit carbureted light-duty trucks and vans using these engines. |
