FUEL PUMP: NEW (P/N 3B7-4) - Overhauled

The 3B7-4 is a new aircraft fuel pump engineered as a cam-actuated, engine-driven diaphragm unit for positive fuel delivery. This Parker Airborne fuel pump pressurizes fuel from the tank to the carburetor or fuel injection system, maintaining consistent flow during all flight regimes. Installed on Twin Commander 690/695 series aircraft, the pump mounts directly to the engine and synchronizes with crankshaft rotation for reliable operation.

Installation requires verification against the applicable Aircraft Maintenance Manual and Illustrated Parts Catalog to ensure correct applicability and proper fuel line connections.

What is the FUEL PUMP: NEW (P/N 3B7-4)?

The 3B7-4 is a new aircraft fuel pump engineered as a cam-actuated, engine-driven diaphragm unit for positive fuel delivery. This Parker Airborne fuel pump pressurizes fuel from the tank to the carburetor or fuel injection system, maintaining consistent flow during all flight regimes.

What certifications or documentation come with the 3B7-4?

Depending on condition, the 3B7-4 may include an FAA 8130-3 Airworthiness Approval Tag, a yellow serviceable tag, or manufacturer documentation. Currently available in: Overhauled. Contact us for specific documentation details on the condition you need.

Can I use the 3B7-4 during an engine overhaul or annual inspection?

Yes, the FUEL PUMP: NEW can be used in engine overhauls and maintenance events. Always verify part compatibility against your engine's Type Certificate Data Sheet (TCDS) and Illustrated Parts Catalog (IPC) before installation.

What is the lead time for the 3B7-4?

In-stock items ship same business day when ordered before 3 PM EST. We also offer 24/7 AOG (Aircraft on Ground) support at (904) 998-9101 for urgent engine part needs.