[Durable construction ] manufactured from value materials to withstand underhood heat and vibration [ Function ]Coolant reservoir can reduce cavitation,and avoid continuous air ingress and avoid oxidative corrode of the parts turn the cooling system into a permanent closed system to reduce the loss of coolant [ Easy to Clean ]Overflow tank with a drain valve on the bottom, it allows the coolant to be drained directly and provides a more convenient cleaning path,The inside of the Expansion Tank can be effectively flushed by opening the purge hole or drain valve. Condition:Brand New Number(s):55037999AI,55037999AJ,55037999AJPFM,CH3014146 Fitment:For Jeep Grand Cherokee 2014-2015 Colour:White Material:Plastic Package Contents: 1x Coolant Reservoir Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.