Can I reuse the old fuel sending unit?
Documented on the 1965 Ford Mustang build
Published August 22, 2026
Yes, if the sending unit is functional and not corroded you can transfer it to the new tank, but installing a new sending unit or at least a new seal is recommended to avoid leaks and gauge issues.
Documented In This Build
Related Knowledge
How should I dispose of the old fuel and tank?How long does a fuel tank replacement on a '65 Mustang typically take?What safety precautions are important when working with the fuel tank?What torque should I use on the driveshaft flange bolts?What safety steps should I take before starting?How should I protect and organize the new wiring?Can I keep the original radio and still add Bluetooth?Can I use an F100 driveshaft in my '65 Mustang?
Related Parts
Inline fuel filter
$15
Fuel hose clamps
$10
Replacement fuel tank
$350
Fuel lines (replacement sections)
$50
Fuel tank straps (set)
$60
Fuel sending unit (optional replacement)
$150
Filler neck seal/gasket
$10
Related Tools
Floor jack
Jack stands
Socket and ratchet set
Screwdrivers (flat and Phillips)
Safety gear (gloves, eye protection)
Line wrenches
Pry bar
Drain pan / fuel-safe container
Fuel siphon / pump
