2 hours ago, fusion said:

It certainly won't be out in the elements but I will wash it from time to time

I say buy a can of woolwax, give that area an annual spray and call it good 👍 

I found prices like 150-170 dollar but overhere they are at a (little?) better price.. look:

Hatch Tail Gate Hinge Rubber Seal 240Z 260Z 280Z | Z Car Depot Inc