The Caterpillar C15 oil cooler is a heat exchanger that is located in the engine compartment and is responsible for regulating the temperature of the engine oil. The oil cooler is designed to cool the engine oil by passing it through a series of small tubes that are surrounded by coolant. The coolant absorbs the heat from the oil and carries it away from the engine, helping to maintain a consistent temperature and prevent overheating.The Caterpillar C15 oil cooler is typically made of aluminum or copper and is designed to withstand high temperatures and pressures. It is usually located near the front of the engine, close to the radiator, and is connected to the engine block through a series of hoses.The oil cooler is an essential component of the engine cooling system and helps to ensure that the engine operates at optimal efficiency. We offer a wide range of main engine components for top brands such as Cummins, Caterpillar, Detroit Diesel, International, Volvo, etc..Looking for a specific part? Do not hesitate in reaching out to us and we will gladly assist you. Please review below some additional oil coolers we offer for Caterpillar engines. We offer a wide range of main engine components for top brands such as Cummins, Caterpillar, Detroit Diesel, International, Volvo, etc..Looking for a specific part? Do not hesitate in reaching out to us and we will gladly assist you. Please review below some additional oil coolers we offer for Caterpillar engines. Caterpillar C12 Oil Cooler w/ Gasket Caterpillar 3406E, C15, C16, C18 Series Oil Cooler Caterpillar C11, C13 Oil Cooler Add to Cart Add to Cart Add to Cart Customer Reviews 1.0 out of 5 stars 1 5.0 out of 5 stars 1 5.0 out of 5 stars 1 Price $849.00$849.00 $680.00$680.00 $749.00$749.00 Caterpillar Applications C12 3406E, C15, C16, C18 C11, C13