GMB 525-8310 mechanical fuel pump for the 1955-1958 Ford F-250 V8 4.4L, the 1957-1959 F-250 V8 5.8L, the 1957-1965 F-250 V8 4.8L, the 1960-1963 F-250 V8 5.4L, the 1965-1967 F-250 V8 5.8L, the 1968-1969 F-250 V8 6.4L and other vehicles delivers fuel from the tank to the engine. Its specifications are held at OE level or better.
A worn mechanical fuel pump can show up as hard starting, sputtering under load or a fuel smell near the pump. Before you replace the pump, rule out a clogged fuel filter, a restricted fuel line or a carburetor fault, since any of them can give similar symptoms, and have a shop test fuel pressure if you are unsure.
The 1955-1958 Ford F-100 V8 4.4L, the 1957-1959 F-100 V8 5.8L, the 1957-1965 F-100 V8 4.8L, the 1960-1963 F-100 V8 5.4L, the 1965-1967 F-100 V8 5.8L and the 1968-1969 F-100 V8 6.4L take this pump, as do the 1955-1958 Ford F-350 V8 4.4L, the 1957-1959 F-350 V8 5.8L, the 1957-1965 F-350 V8 4.8L, the 1960-1963 F-350 V8 5.4L, the 1965-1967 F-350 V8 5.8L, the 1968-1969 F-350 V8 6.4L and many more vehicles. If your truck or car is not named here, look up its year and engine in the "Vehicles it fits" section.
Fit and size
Build and materials
One mechanical fuel pump with the hardware required for installation. This listing holds one pump, which is the quantity each vehicle needs.
Is the GMB 525-8310 right for a 1955-1958 Ford F-250 V8 4.4L?
Yes. The GMB 525-8310 mechanical fuel pump fits the 1955-1958 Ford F-250 V8 4.4L. For a different year or engine, look it up in the "Vehicles it fits" section.
Does the GMB 525-8310 come with the hardware needed to install it?
Yes. The GMB 525-8310 mechanical fuel pump includes all the hardware required for installation. This listing is a single pump.
How is this mechanical fuel pump tested?
Every pump is factory tested for leakage and dimensional precision, and pressure and flow-rate tested in-house. Durability is also tested during development.
Could hard starting mean my mechanical fuel pump is worn?
Yes, it can. Along with sputtering under load and a fuel smell near the pump, hard starting can be a sign of a worn pump, and a shop can test fuel pressure to confirm.
Where is the GMB 525-8310 mechanical fuel pump made?
The country of origin for the GMB 525-8310 mechanical fuel pump is China.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
