Coolant Funnel Kit

Save 25%

Sale price$59.99 Regular price$79.99


No-Spill While You Fill!

“It was a must-have and the funnels hold up well. It was the perfect fit for my Jeep Wrangler. There were no leaks at all.” - William O.

Why Buy This Kit?

✅ Durable: The kit is made of ECO-PP material, which can withstand temperatures of up to 200 degrees and falls (unless encounter a severe external force). The coolant can be visually checked quickly due to the highly sealed interface and clear funnel design, which also eliminates mess and saves time.

✅ No Leaks & Spills: The kit is great for removing air from your cooling system, refilling the radiator after replacing it with a new one, flushing the cooling system, and assisting with the replacement of the radiator, as well as ensuring that the cooling system is clean of air. Furthermore, the kit allows for unattended filling with minimal risk of leaking.

✅ Ergonomic: Its 5" straight extension and 45-degree elbow allow for multiple configurations, and it's designed to work in hard-to-reach areas. It can also be used on radiator caps at any angle. After finishing, the fluid stopper will allow you to recycle unused coolant in the funnel, thus saving you money. 

📝Frequently Asked Questions: 

Q: What are the compatible cars for this kit?

A: It's universal since it has different sizes of funnels so this could fit any car.

Q: How to use the kit?


  1. Tighten the adapter to ensure it does not leak. Place the gasket downward.

  2. Your Car Should Be Turned Off; Do Not Turn It On Yet! Fill the coolant funnel about 1/3 full when the system is cold so that when it burps, fluid falls instead of the air that enters the system.

  3. Go to your car and set on the climate control (or heat setting) to hot, but make sure the fan/heater is turned off.

  4. Now start your car and let it idle for a while until the temperature is hot enough to open the thermostat and turn on the fans.

  5. After you've waited and the thermostat has opened to cool your engine, the coolant level will drop, and you'll notice a few to a large number of air bubbles rising; this is trapped air escaping your cooling system.

  6. If you still observe air bubbles coming out after a standard hour of running, check your overflow tank and make sure it has coolant in it.

  7. When starting the engine, the fluid level should be low. Maintain a constant RPM of idling.

  8. If you detect the fluid level rising too quickly, turn off the engine. Before starting the engine, wait for the fluid level to drop.

  9. Use a Fluid Stopper to get any residual liquid inside the funnel after the bubbling has stopped and you’re done.


  • Make sure to always wear safety goggles and gloves.
  • If the radiator is hot, don't open the cap! Hot fluid can erupt and cause burns!
  • Make sure that your overflow tank is at the level of coolant where the line marked "COLD".
  • Make sure that your car is cold, do not try this with an engine that has been running.