Intake manifold is the part of an engine that supplies fuel/air mixture to the cylinders. The primary function of the intake manifold is to evenly distribute the combustion mixture to each intake port in the cylinder head. Even distribution is important for the optimization and efficiency of the engine. In a fuel injected engine, its two main purposes are maintaining a high volume of air and distributing it equally between each cylinder. Intake manifold consists of a plenum and runners. Plenum is the large cavity at the top of the manifold. It acts as a reservoir that holds the air until it is ready to go into the cylinders. The plenum evenly distributes the air to the runners before it passes through the intake valve. The runners are tube that carry air from the plenum to the intake port on each cylinder head. For fuel-injected engines, there are the ports for the fuel injectors in each runner. Fuel is injected just before the air goes into the intake port. The size of plenum and runners is a crucial factor in engine’s performance.

Replacing an intake manifold with a new one can cost you between $400 to $900 depending on your vehicle’s year, model and make. So replacing it with a used one is not a bad idea especially if you don’t want to spend much. Zaxon provides used intake manifold for all make models across the USA. Used intake manifold provided by Zaxon not only have low cost but also better quality and good life. You can search for a nearby Zaxon store that may have used intake manifold for your model. You can search in the USA by zip code for used parts near you using our used parts request form.

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