Muzzys 645-540 Low Beam/Headlamp Lighting Socket for H7 Bulb for 2001-2010 Mazda 3, 5, Protege, B28V-51-0A3 , B28V510A3A Muzzys Low Beam Headlight Socket, replaces OE part number: B28V-51-0A3, B28V-51-0A3A Fits 2001-2010 Mazda 3, 5, Protege Made in the USA by Muzzys. Meets OEM specs. Can be use on any application with an H7 bulb Direct replacement, comes ready to install