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Which engine component stores oil for lubrication?

  1. Crankcase

  2. Oil filter

  3. Oil pan

  4. Sump

The correct answer is: Crankcase

The correct response is that the crankcase serves an essential role in storing oil for lubrication within an engine. It is a component of the engine that houses the crankshaft, and it is designed to keep a reservoir of oil, which facilitates the lubrication of various moving parts. This lubrication helps to reduce friction and wear, ultimately contributing to the overall efficiency and longevity of the engine. The oil filter, while important for removing impurities from the oil, does not store oil. The oil pan, although it holds oil as well, is often considered a part of the crankcase. The sump typically refers to a part of the oil pan where oil collects, but it is not the comprehensive storage aspect that the crankcase provides. Thus, the crankcase is the most accurate answer for the component that stores oil for lubrication.