Backup LEDs for 2011-2013 Infiniti M37 (Pair) XPR (720 Lumens) Diode Dynamics Mazda so depending on the manufacturing

so depending on the manufacturing date of the OEM D2S bulbs you receive

these fog lights are plug-and-play

requiring no modifications or wiring hassles

And the heat sink / fan diameter is only 39mm

44mm SML8 LED Cool White Pair

Backup LEDs for 2011-2013 Infiniti M37 (Pair) XPR (720 Lumens) Diode Dynamics Mazda so depending on the manufacturingUpgrade. Add more light output and a modern appearance to your backup lights with the 921 XPR backup bulb. Each of the four sides of this bulb is populated with 4 high power LED chips for maximum brightness. Housed in an aluminum casing with a textured finish for superior heatsinking properties the XPR will last for years to come. Best of all installation only takes minutes simply take out your factory bulb and the XPR will fit snugly in the socket.