Best Car Engine Coolers of 2025

Introducing the EVIL ENERGY Oil Cooler Kit, a universal and versatile solution for improving the cooling efficiency of your car's engine, transmission, and rear differentials. With its stacked plate design and high cooling efficiency, this oil cooler kit is designed to enhance the lubrication of your engine oil, ensuring optimal performance and longevity. Made from durable aluminium alloy, it is built to withstand high pressure and provide reliable cooling. The kit comes with a nylon braided and CPE inner hose, offering excellent durability and flexibility. Installation is a breeze, thanks to the included instruction manual. Upgrade your car's cooling system with the EVIL ENERGY Oil Cooler Kit and enjoy smoother, more efficient performance on the road.

The Hayden Automotive 678 Universal Rapid-Cool Add-On Transmission Cooler is a great addition to pick-up trucks, vans, class "C" motorhomes, and travel trailers up to 24 feet long. With a size of 3/4 inch x 11 inch x 9-1/2 inch, it can handle GVWR up to 24,000 pounds and towing up to 5,000 pounds. The cooler has a patented internal turbulation that increases heat transfer with minimal pressure drop, ensuring that your transmission stays cool under heavy use.

The EVIL ENERGY Oil Cooler Kit is designed to fit most vehicles, ensuring you have the right cooling solution for your engine. With a robust oil capacity of 0.8L and impressive pressure ratings, this cooler helps maintain optimal engine performance. Its durable aluminium alloy construction enhances longevity, while the efficient stacked plate design improves lubrication, keeping your engine running smoothly. Easy installation is a plus, as you can set it up in a well-ventilated area with the included instructions, making it convenient for both novice and experienced users.

The Hayden Automotive 676 Custom-Add-On Rapid-Cool Transmission Cooler is a steel-made cooler with patented internal turbulation that increases heat transfer and reduces pressure drop. It is designed for sub-compact to compact cars with GVWR up to 18,000 pounds. The pre-drilled mounting brackets make installation easy.

The Hayden Automotive 512 High Performance Transmission Cooler is an all-aluminum lightweight construction with a size of 3/4 inch x 7-1/2 inch x 12-1/2 inch. It features SAE 45 degree fittings for maximum reliability and is electrostatically powder coated to prevent corrosion. This cooler is perfect for full-size vehicles towing up to 2,500 pounds.

The Hayden Automotive 402 Ultra-Cool Tube and Fin Transmission Cooler is a durable and reliable accessory for compact and mid-size cars. With a size of 3/4 inch x 5 inch x 15-7/8 inch, it can handle GVWR up to 16,000 pounds and towing up to 2,500 pounds. The cooler is ultrasonically soldered for maximum durability and has been 100% pressure tested for quality assurance.

The Derale Fluid Cooler is an excellent choice for keeping your vehicle's essential systems running smoothly. It is designed for fuel and power steering cooling, which helps maintain optimal temperatures and ensures efficient performance. With its durable extruded plastic cooling fin guards, you can trust that the cooler will withstand the rigors of everyday use. The two-pass cooler design enhances cooling efficiency, while the 1/2 inch copper tubing expanded into aluminum fins provides superior heat transfer. This combination of features means you can enjoy a more reliable and longer-lasting vehicle performance.

The Setrab ProLine Oil Cooler is a high-quality car engine cooler designed to keep your engine running at optimal temperature. With its 19 rows and M22 female ports, this oil cooler is adaptable to virtually any size using SUSA ProLine Adapter Fittings. The compact dimensions of 11.14 x 5.75 x 1.83 inches make it easy to install in your vehicle. The 19 rows provide excellent cooling performance, ensuring that your engine stays cool even under heavy loads. The M22 female ports allow for easy connection, making installation a breeze. With the Setrab ProLine Oil Cooler, you can enjoy improved engine performance and longevity.

The Derale Remote Cooler is designed for versatile installation, allowing you to mount it wherever space is available. With its electric fan, this cooler ensures optimal airflow, keeping your engine and transmission at safe temperatures. By maintaining cooler operating conditions, it significantly extends the lifespan of your engine and transmission, which can save you costly repairs in the long run. Additionally, its high-efficiency OEM-style plate and fin design enhances performance, making it a smart choice for anyone looking to improve their vehicle's reliability.

The TomGoo Oil Cooler Kit is designed to enhance your vehicle's performance by maintaining optimal oil temperatures. It features a 10-row stacked-plate oil cooler that efficiently reduces coolant temperature, helping to prevent engine damage. The kit includes durable AN10 braided fuel lines, ensuring a reliable connection. Made from high-quality aluminum, it is both lightweight and effective, fitting into tight spaces. Installing this universal kit is straightforward, as the hoses can be adjusted to your needs, making it a convenient choice for any car enthusiast.