The radiator cap holds the coolant inside the radiator, but it also works as a two-way valve that keeps the right pressure inside so the radiator does it work correctly.
Symptoms of a Bad Radiator Cap: air enters the system, low coolant level, coolant leaks, overflowing reservoir, overheating engine.
This Allmotorparts Radiator Coolant Recovery Cap - 21 PSI 145KPa Replace 68442532AA, 68096261AA, 68249136AA can fixed your antifreeze lose problem well.

Compatible with Chrysler Vehicles:
2015-2017 Chrysler 200
2017-2021 Pacifica
2020-2021 Voyager

Compatible with Dodge Vehicles:
2013-2016 Dart
2016-2021 Durango

Compatible with Jeep Vehicles:
2014-2021 Cherokee
2017-2021 Compass
2020-2021 Gladiator
2016-2021 Grand Cherokee
2015-2021 Renegade
2018-2021 Wrangler

Compatible with Ram Vehicles:
2014-2021 Ram 1500
2013-2021 Ram 2500
2013-2021 Ram 3500
2019 Ram 1500 Classic

Replaces Part #: 68442532AA Radiator Coolant Recovery Cap.

NOTE: This is NOT a genuine part, it's a aftermarket replacement part manufactured by Allmotorparts.

NOTE: To ensure accurate fitment, please confirm your vehicle information in the above compatibility section and the description.