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<h2>What is an oil pan?</h2>
An oil pan is a dark-colored part that seals the bottom part of the crankcase and contains the engine oil before and after it has circulated through the engine. An oil pan is essentially responsible for lubricating various parts of the engine.&nbsp; 
Lubricating the <a href="https://a-premium.com/engine">engine parts</a> reduces friction and increases their efficiency and longevity. The oil pan also prevents the engine oil from leaking (to other parts), keeping it within the lubricating system. A <a href="gasket">gasket</a> covers the oil pan to keep the oil contained. When the engine is functional, the oil pump sucks oil from the pan and circulates it through various parts of the engine. Once all components are lubricated, the used oil returns to the pan. The size of the oil pan determines the amount of oil an engine can hold. &nbsp;
An engine will only hold the amount of oil the pan can store without dipping the crankshaft. A dipped crankshaft will ventilate the oil, making it difficult to circulate into the engine. &nbsp;
How to tell a broken oil pan?
The following signs will let you know if you need to repair your oil pan:
<ol>
<li>1. Oil leaks Puddles or spots of oil under your vehicle can indicate a leak from the oil pan.</li>
<li>2. Low oil levels Frequently checking and finding low oil levels can suggest oil is escaping from a damaged pan.</li>
<li>3. Unusual noises Hearing clanging or rattling noises from the engine area may indicate that the oil pan is loose or damaged.</li>
<li>4. Warning lights The oil pressure warning light on your dashboard may illuminate, signaling a potential oil leak or low oil pressure.</li>
<li>5. Visible damage Inspecting the oil pan for cracks, dents, or corrosion can reveal physical damage.</li>
<li>6. Overheating engine An overheating engine can occur if the oil level is too low due to a leak, affecting lubrication and cooling.</li>
</ol>

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Lower Engine Oil Pan for Nissan Pathfinder 2001-2004 Infiniti QX4 2001-2003 3.5L

Lower Engine Oil Pan

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INFINITI QX4 Oil Pan

Lower Engine Oil Pan for Nissan Pathfinder 2001-2004 Infiniti QX4 2001-2003 3.5L