If you want a simple switch that can manage more current, you will find that this power relay works well.
5PCS TIANBO HJQ-15F-2-S-H-12VDC Power Relay 4Pin 25A 240VAC
A nice touch is the sturdy casing on this unbranded relay, which feels solid without any rattles inside.
What stands out about the catalog listing is that it replaces 118168-01 directly.
A nice touch is how the power relay slots into standard sockets without fuss.