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FUEL
PUMPS
The fuel pump draws the fuel from the tank, through the
fuel lines and fuel filter, to the engine’s carburetor
or injectors. Basically, there are two types of fuel pumps:
mechanical and electric. The latter is the type most commonly
used today.
ELECTRIC FUEL PUMPS
Electric fuel pumps offer important advantages over their
mechanical counterparts. Because electric fuel pumps maintain
constant fuel pressure, they aid in starting and reduce
vapor lock problems. They are not mechanically attached
to the engine; so fit problems are eliminated, making
them especially useful when an exact replacement mechanical
fuel pump is unavailable. Unlike mechanical fuel pumps,
worn cams do not affect electric pumps. It is also easy
to install a hidden on/off switch as an anti-theft precaution.
The electric fuel pump can be inside or outside the fuel
tank. There are four types: diaphragm, plunger, bellows,
and impeller or rotary. The diaphragm, plunger, and bellows
types are usually the demand style; that is, when the
ignition is turned
on, the pump begins operation and shuts off automatically
when the carburetor bowl is full and the fuel line is
pressurized. When the carburetor demands more fuel, the
electric pump supplies more. When demand is lower, it
pumps less. In this way, proper fuel flow and pressure
are constantly maintained. In most installations, the
rotary electric fuel pump is a continuous operated type.
All replacement fuel pumps at AutomotivePartsDistributor
will meet or exceed your original equipment standards.
Our catalog is comprised of replacement fuel pumps and
fuel system components to fit most applications; Acura,
AMC, American Motors, Audi, BMW, Buick, Cadillac, Chevrolet,
Chevy, Chrysler, Daihatsu, Delorean, Dodge, Eagle, Jeep,
Ford, GEO, GMC, Honda, Hyundia, Infiniti, Isuzu, Kia,
Lexus, Mazda, Mercury, Mini, Mitsubishi, Nissan, Datsun,
Oldsmobile, Plymouth, Pontiac, Porsche, Saab, Saturn,
Scion, Subaru, Suzuki, Toyota, Volkswagen, Volvo.
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