39mm HP6 LED Bulb LED Cool White Single Diode Dynamics Mazda 4 LED Bulbs – the

4 LED Bulbs – the ultimate solution to your lighting needs

no fidgeting trying to find instructions online

Don't underestimate the luxury of improved rear-ward visibility though

if you didn't know any better

2018+ require the optional harness)

39mm HP6 LED Bulb LED Cool White Single Diode Dynamics Mazda 4 LED Bulbs – theDesign. The 39mm HP6 LED bulb is a direct replacement for any 39mm size bulb, commonly found in door lights, dome lights, and trunk lights in many vehicles. Populated with eight high power LEDs arranged in an omnidirectional pattern, the HP6 upgrades the factory yellowish incandescent bulb to a more modern LED appearance, while providing far more light output than the factory bulb. Thanks to the frosted cover, the HP6 provides even light distribution