Genuine Honda Fuel Pump Relay Assembly (Denso) 12V – OEM 39794-SDA-004

This is the real deal: a genuine Honda fuel pump relay, made by Denso.

Part number 39794-SDA-004 (also 39794SDA004).

If your Honda is having trouble starting or the fuel pump isn’t kicking on, this little relay is often the culprit.

It’s a direct OEM replacement, so you know it fits and works.

It’s rated for 12V systems and designed for gasoline engines.

Manufactured in Japan, this is top-tier quality.

It’s not a universal part – it’s vehicle-specific, so double-check your fitment.

The relay itself is included, simple as that.

Mechanical drive type, no fancy electronics.

Just a solid, reliable switch.

Comes with the manufacturer’s warranty and includes the California Prop 65 warning as required.

It’s new, in original packaging.

Vintage part?

No.

Performance part?

No.

Just a straight-up OEM fuel pump relay.

Keep it in the glove box or install it right away.