Why is there no seal on the cap, only the adapter bottom. Won't the overflow leak from the cap (since its above the seal)?

The seal is on the neck of the adapter and not the cap. When you tighten the cap, the adaptor seal is pressed into the neck of the the radiator. This seals the funnel to the radiator. Because the seal is in in the neck of the radiator, the overflow hole is beyond (after) the adaptor seal. So, the overflow does not leak.

will this work with a jeep patriot?

It has multiple connections and I believe it will work I love it. Don't forget to run your car and turn on the air conditioning When cleaning out the radiator.

Does it fit a 2006 Nissan pathfinder?

By looking at pics of engine bay, the blue or green should fit it. I Say should only because the blue is the correct size for my 2007 Hyundai Tiburon, however the locking mechanism was incompatible. No the less I was able to completely replace all the antifreeze in car with this kit. Worst case, you may spill a little on the ground

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🧊 Cool smarter, not harder — never spill or stress again!

FLEXIBLE ACCESS - Includes a 5-inch extension and 45° elbow for easy filling even in tight or awkward radiator cap positions.
AIR FREE COOLING - Prevents trapped air pockets that destabilize your cooling system and heater performance.
UNIVERSAL FIT KIT - Multiple adapters with gaskets ensure a secure, leak-proof fit for a wide range of radiator caps.
PATENTED INNOVATION - USPTO Patent US10519019B2 backs a design trusted by pros for reliable, safe coolant filling.
SPILL PROOF PRECISION - Engineered to eliminate messy coolant spills and keep your engine bay spotless.

The EPAUTO Radiator Coolant Filling Funnel Kit is a patented, spill-proof system designed to simplify and secure coolant refills. Featuring multiple adapters, a 5-inch extension, and 45° elbow, it prevents trapped air pockets and coolant spills, ensuring stable engine cooling and heater performance. Lightweight and transparent, it fits most radiator caps and is a must-have for proactive vehicle maintenance.

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Manufacturer	EPAuto
Brand	EPAuto
Package Dimensions	19.8 x 18.16 x 17.9 cm; 422 g
Item model number	AQ-001-1
Is Discontinued By Manufacturer	No
Color	transparent
Capacity	60 Fluid Ounces
Item Weight	422 g

EPAUTO こぼれ防止ラジエーター冷却液充填漏斗キット

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