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Volkswagen Passat Catalytic Converters

A catalytic converter plays a critical role inside the engine of a Volkswagen Passat. This emissions part converts some very troubling pollutants inside of toxic exhaust gas and reduces their toxicity level. A failing converter will exhibit a number of troubling signs, and Passat owners should take expedient steps to install a new one.

What is a catalytic converter made of?

The part is commonly made of the precious metal platinum, which serves a valuable purpose that other metals would not be able to perform. The unique metal plays a role as an actual catalyst for reduction and oxidation in the exhaust setup. Platinum, however, is not the only metal used to create the part. Two other precious metals, rhodium and palladium, are utilized in the creation of the exhaust part. Certain converters are constructed from steel. Specifically, manufacturers note that the items are made from stainless steel or aluminized steel.

What is the difference between a 49-state and California converter?

In the state of California, there are different rules and requirements for fitting a converter on the vehicle. The emission standards in California are different from those that exist for a car in another locality. One obvious difference with the California part would be the presence of three 02 sensors. A 49-state converter is usually called a federal converter as it follows national exhaust guidelines and not the enhanced ones in California.

Note: the part could also be listed as 48-state legal, and specifically note that it cannot be used in New York as well as California. Those purchasing this item should make sure it meets not only vehicle specifics but also the legality of the state in which the car is registered and driven.

Is the Volkswagen Passat converter specific to the vehicle?

Yes, these parts are designed specifically for the vehicle. Since emission exhaust systems and engines are different from car to car, it makes sense that parts are designed specifically for a certain vehicle. One size does not fit all.

Additionally, certain catalytic converters sold by manufacturers point out the parts are a "direct fit." This means the part fits directly into the engine and exhaust system without any need for modifications or additional parts.

Is the location of the converter different?

Yes, the part could notate a specific location making it different from another similar part. The description of features may note that the catalytic item belongs in the center, the rear, the front passenger side, or another location.