2x 12V DC 40A 4-PIN SPST Automotive Relay – Universal For Car, Boat, Van, Bike (FTR-F3)

Got an electrical project?

Grab this pack of two 12V DC 40A 4-pin relays.

They're SPST (Single Pole Single Throw) and perfect for all sorts of automotive, marine, or van builds.

Use them for alarms, lights, fans, horns—anything that needs a clean, switched circuit.

These are heavy-duty relays with a metal and plastic construction, rated for 40 amps, so they can handle some real current.

They're universal fit, so whether you're wiring up a boat, a bike, or a custom car project, these will do the job.

The 4-pin design makes wiring straightforward.

They're brand new and unbranded, but don't let that fool you—they're solid little units that get the job done.

Stock up and keep your electrical system clean and reliable.