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The OEM code 7p0121407b refers to a coolant expansion tank. This part is crucial for keeping your car's engine cool. It stores extra coolant, which helps prevent the engine from overheating. When the engine heats up, the coolant expands and needs a place to go. That's where the expansion tank comes in. Without it, the engine could get too hot and cause damage. This part is used in vehicles made by VW and VAG, which include models like the CAYENNE and TOUAREG.

OEM codes like 7p0121407b are important because they ensure you get the right part for your car. These codes can be reused across different vehicles that share similar designs. This means a part with this code can fit in multiple models, making it easier to find replacements. So, if you drive a CAYENNE or TOUAREG, this expansion tank might be just what you need.

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Code 7p0121407b

Vehicles Compatible

The OEM code 7p0121407b may fit a range of vehicles, and this section helps you confirm whether the part matches your exact car model before purchasing. By reviewing the compatibility details, you can reduce mistakes and confidently buy the right used OEM part. The source of this compatibility information is TecDoc.

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More from the Same Group

In addition, you can explore OEM codes from other brands that belong to the same parent company. Checking parts shared within this group helps verify compatibility, compare alternatives, and find the correct component faster.

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