Why Upgrade Your Coolant Reservoir?
Stock plastic expansion tanks become brittle over time from heat cycling and engine bay temperatures. Aluminum overflow tanks provide improved durability, better resistance to cracking, and a cleaner appearance for modified engine bays.
Plus, polished or black aluminum just looks faster. Science probably.
Features
- Universal 1-liter coolant overflow reservoir
- Durable lightweight aluminum construction
- Corrosion-resistant finish
- Includes hose kit and mounting hardware
- Helps regulate coolant expansion and overflow
- Compact universal fitment design
- High-quality welded construction
- Improves engine bay appearance
- Suitable for street, drift, drag, off-road, and track vehicles
[Universal] This 1L coolant overflow tank is engineered to fit most vehicle models. Prior to purchase, verify that sufficient installation space is to be had. The tank includes a 3/8″ ID NBR fuel hose that may be resistant to low and high temperatures and can resist repeated use in harsh conditions. Maintains stable working performance without softening or deformation
[Size] Capacity: 1L reservoir tank. Inlet/Outlet Ports: 2 x 12mm barb fittings. Thread Dimensions: M14 x 1.5 for both bottom drain and side port. Fuel Hose: 5FT length, 3/8″ inner diameter (ID)
Common Applications
- Turbocharged imports
- LS swaps
- Honda Civic and Acura Integra builds
- Nissan 240SX and Skyline projects
- Subaru WRX/STI cooling systems
- Mustang and Camaro performance builds
- Drift and track cars
- Custom radiator setups
- Off-road trucks and UTVs
[Feature] Tight closed cap, fully TIG welded and thread come with O-ring gasket, let coolant reservoir can keep a good closed environment and prevent coolant leakage.It’s high beneficial use Tetflon tape when install, it can reinforce airtightness prevent interface leakage. Cleaning is easy through the bottom drain port, at the same time as the level indicator makes it easy to monitor coolant levels.
Designed for High-Temperature Performance
Cooling systems experience constant pressure and temperature changes during aggressive driving. A properly designed overflow tank helps stabilize coolant expansion while reducing the risk of coolant loss under demanding conditions.
Especially useful when your cooling system already works harder than the guy tuning your 900-horsepower “daily driver.”
Universal Fitment for Custom Builds
The compact universal design allows the EVIL ENERGY coolant reservoir to fit a wide variety of engine bays and custom setups. Included hoses and mounting hardware simplify installation while giving builders flexibility for routing and placement.
Perfect for enthusiasts who spend three hours relocating parts just to clear one intercooler pipe.
[Function] Coolant overflow tank can balance the water tank pressure, effectively cool the engine and enables the engine perform at its best. Coolant reservoir tank will also be used as a oil collection tank. Magnetic bolt plug collect impurities, carbon deposits and accumulated sludge in the intake system, prolonging the service life of engine.
[Installation] Barb fittings and bottom drain plugs are supplied with O-rings to make sure a good seal and Teflon tape is beneficial for installation.
Why Choose EVIL ENERGY?
EVIL ENERGY has become a trusted name for affordable performance plumbing, fittings, cooling components, and engine bay accessories. Their universal coolant overflow tanks offer durability, clean styling, and dependable cooling system support for enthusiasts who want reliable hardware without paying exotic car prices for a container that literally just holds coolant.






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