This set gives you 2pcs - 4pin relays, which makes a backup plan simple and affordable.
2PCS 4-PIN 40/30 AMP 12 V DC Waterproof Relay Kit Harness Socket – Heavy Duty 12
You will find that the package includes 2pcs - 4pin relays, making basic replacements straightforward and quick to set up.
With 2pcs - 4pin relays, I can finish a project and still have a spare for later.
This set gives you 2pcs - 4pin relays, which makes a backup plan simple and affordable.