You will find that this unbranded relay pairs well with generic controllers, without any branding conflicts or odd fit issues.
12v 30A 5-pin Spdt Multi-Purpose Starter Relay
What stands out about the 2956026 EMG 17-REL/KSR/120-21 is the clear labeling on the coil and contacts.
In this line of general purpose relays, you will find that RPM-Q2R20120-01 has a clear label.