Genuine Honda K-Series VTEC Solenoid Spool Valve – EP3 FN2 – 15810-PRB-A03 (Made In Japan)

If you're working on a K-series swap or maintaining an EP3 or FN2, this genuine Honda VTEC solenoid spool valve is a must-have.

It's the real deal, part number 15810-PRB-A03, and it's made in Japan — so you know the quality is there.

This little component controls oil flow to the VTEC system, making sure your cam profile engages smoothly when you hit that sweet spot in the RPMs.

It's brand new, still sealed in original Honda packaging.

Whether you're rebuilding, upgrading, or just replacing a tired unit, this is the exact OEM part you'd get from the dealer, often for less.

No UPC, but who cares?

It's genuine.

Keep your K-series screaming the way it should.