Engine oil separators are an essential component of any vehicle's engine. They help to keep the engine clean and free from contaminants by separating the oil from other fluids such as air, water, and fuel. In this review, we will take a closer look at some of the best engine oil separators on the market and discuss their features, benefits, and drawbacks. The first product on our list is the Engine Oil Separator Catch Can Reservoir Tank - Baffled with Inner Filter for Pcv Valve - Barb Adapter 10mm. This catch can tank is designed to work with vehicles that use a PCV valve, and it comes equipped with an inner filter to help keep the oil clean. The tank itself is made of aluminum and has a baffled design to help prevent mixing of different fluids. It also features a breather adapter for easy installation. One of the main benefits of this catch can tank is its affordability, making it a great option for those on a budget. However, one potential drawback is that it may not be suitable for use with all types of engines or PCV valves. Additionally, some users have reported issues with the inner filter clogging over time. The second product on our list is the Ruien 0046 Polish Baffled Universal Aluminum Oil Catch Can Reservoir Tank Black. This catch can tank is designed to work with a wide range of engines and is made of high-quality aluminum for durability. It also features a baffled design to help prevent mixing of different fluids, and it comes equipped with an inner filter to keep the oil clean. One of the main benefits of this catch can tank is its versatility, making it suitable for use with a wide range of engines. Additionally, the aluminum construction makes it lightweight and easy to install. However, one potential drawback is that some users have reported issues with the inner filter clogging over time. The third product on our list is the Vincos Universal 3/8"&9/16" 400ml Aluminum Oil Catch Can Dual Cylinder Polish Baffled Engine Air Oil Separator Tank Reservoir Kit with Breather Black Small Drain. This catch can tank is designed to work with both 3/8 and 9/16 inch connections, making it suitable for use with a wide range of engines. It also features a baffled design to help prevent mixing of different fluids, and it comes equipped with an inner filter to keep the oil clean. One of the main benefits of this catch can tank is its compatibility with both 3/8 and 9/16 inch connections, making it suitable for use with a wide range of engines. Additionally, the aluminum construction makes it lightweight and easy to install. However, one potential drawback is that some users have reported issues with the inner filter clogging over time. The fourth product on our list is the Ruien Universal 350ml Oil Catch Can Tank with Breather Aluminum Compact Dual Cylinder Polish Baffled Engine Air Oil Separator Tank Reservoir Kit Black. This catch can tank is designed to work with a wide range of engines and is made of high-quality aluminum for durability. It also features a baffled design to help prevent mixing of different fluids, and it comes equipped with an inner filter to keep the oil clean. One of the main benefits of this catch can tank is its versatility, making it suitable for use with a wide range of engines. Additionally, the aluminum construction makes it lightweight and easy to install. However, one potential drawback is that some users have reported issues with the inner filter clogging over time. The fifth product on our list is the 750ML Aluminum Baffled Oil Catch Can Breather Can With Drain Valve W/Filter 2 Ports 10AN Oil Coolant Fuel Overflow Tank Black. This catch can tank is designed to work with a wide range of engines and is made of high-quality aluminum for durability. It also features a baffled design to help prevent mixing of different fluids, and it comes equipped with an inner filter to keep the oil clean. One of the main benefits of this catch can tank is its compatibility with both oil coolant and fuel overflow systems, making it suitable for use in a wide range of vehicles. Additionally, the aluminum construction makes it lightweight and easy to install. However, one potential drawback is that some users have reported issues with the inner filter clogging over time. The sixth product on our list is the ESPEEDER Universal Aluminum Car Truck Engine Oil Catch Can Tank Polish Baffled Reservoir Black 300ml. This catch can tank is designed to work with a wide range of engines and is made of high-quality aluminum for durability. It also features a baffled design to help prevent mixing of different fluids, and it comes equipped with an inner filter to keep the oil clean. One of the main benefits of this catch can tank is its compatibility with both cars and trucks, making it suitable for use in a wide range of vehicles. Additionally, the aluminum construction makes it lightweight and easy to install. However, one potential drawback is that some users have reported issues with the inner filter clogging over time. The seventh product on our list is the ESPEEDER Universal Aluminum Oil Catch Can Polish Baffled Reservoir Tank Blue with Breather Filter 300ml. This catch can tank is designed to work with a wide range of engines and is made of high-quality aluminum for durability. It also features a baffled design to help prevent mixing of different fluids, and it comes equipped with an inner filter to keep the oil clean. One of the main benefits of this catch can tank is its compatibility with both cars and trucks, making it suitable for use in a wide range of vehicles. Additionally, the aluminum construction makes it lightweight and easy to install. However, one potential drawback is that some users have reported issues with the inner filter clogging over time. The eighth product on our list is the Sporacingrts Compact Baffled 2 Port Oil Catch Can Tank Universal Aluminum Air Oil Separator Black. This catch can tank is designed to work with a wide range of engines and is made of high-quality aluminum for durability. It also features a baffled design to help prevent mixing of different fluids, and it comes equipped with an inner filter to keep the oil clean. One of the main benefits of this catch can tank is its compact size, making it easy to install in tight spaces. Additionally, the aluminum construction makes it lightweight and durable. However, one potential drawback is that some users have reported issues with the inner filter clogging over time. In conclusion, engine oil separators are an essential component of any vehicle's engine. They help to keep the engine clean and free from contaminants by separating the oil from other fluids such as air, water, and fuel. When choosing an engine oil separator, it is important to consider factors such as compatibility with your specific engine, durability, and ease of installation.