EVIL ENERGY 5/16ft Transmission Oil Cooler - Tube and Fin Universal

In this review of the EVIL ENERGY 5/16' transmission oil cooler kit, the bottom line is simple: this is a practical, budget-friendly cooler for DIYers and car owners who need a universal, compact solution to lower transmission fluid temperatures. The kit's biggest reason to buy is its straightforward tube-and-fin aluminum cooler core paired with CPE hoses that handle typical automotive conditions, delivering real temperature control when installed in a location with good airflow.

Key Features

• Universal fit: Designed for systems with 5/16' ID transmission cooler lines, the kit fits many passenger cars and light trucks when space allows for mounting.
• Aluminum cooler core: The tube-and-fin aluminum alloy construction offers efficient heat transfer to help reduce ATF temperatures under load.
• CPE hoses: Included hoses work from -40F to 257F and withstand working pressures to 145psi, giving confidence in everyday driving conditions.
• Easy installation: The kit includes installation instructions and is intended to be mounted where airflow is available, so most mechanically inclined owners can fit it without specialty tools.
• Compact dimensions: At about 15.66in by 10in by 0.75in, the cooler is slim enough to fit in tight engine bays or in front of the radiator when space is available.

Who It's For

The EVIL ENERGY transmission cooler kit is best for owners of passenger cars and light trucks who have 5/16' ID transmission lines and need an affordable, universal cooler to reduce ATF temperatures during towing, spirited driving, or heavy city use. It suits DIY installers who can locate a spot with steady airflow and who appreciate simple tube-and-fin designs.

Those who should look elsewhere include owners requiring vehicle-specific kits with custom fittings or heavy-duty commercial applications that exceed the hose working limits; users needing long-term heavy-duty durability under sustained extreme loads may prefer a purpose-built OEM or high-end aftermarket option.

Pros & Cons

Pros

• Good value: combines an aluminum tube-and-fin core with serviceable CPE hoses at a modest price.
• Works well: users report measurable temperature control and easier monitoring of transmission temps after installation.
• Ease of installation: instructions included and the universal design simplifies fitment on many vehicles.

Cons

• Durability concerns: some users have reported early cracking or mixed experiences with the mounting hardware, so long-term robustness may vary.

Specifications

Our Verdict

The EVIL ENERGY 5/16' transmission oil cooler is a sensible, low-cost upgrade for drivers who need better ATF temperature control without complicated plumbing or vehicle-specific parts. It offers effective cooling and simple installation, but buyers should be aware of mixed reports on long-term durability and ensure a good mounting location with airflow for best results.

Frequently Asked Questions

Will this fit my car?
It fits vehicles that use 5/16' ID transmission cooler lines; confirm available mounting space before purchasing.

Are the hoses durable for highway towing?
The CPE hoses handle typical automotive ranges (-40F to 257F) and 145psi working pressure, suitable for most light towing but not heavy industrial use.

Is installation difficult?
Installation is generally straightforward with the included instruction sheet, provided you can mount the cooler where it receives good airflow.