Here is the most easy and useful way to quickly figure out whether this electronic igniter kit fits your grill as follow:
your Genesis or Spirit grill comes with side-mounted control panel that there is a green igniter button lying on.

Features:
-Innovative Design: This universal igniter kit comes with an upgraded version electronic spark generator that can be matched to both provided metal and ceramic gas collector boxes which one of them is required for installation.
-Easy Installing: With our provided specific installation instructions, it will take you a snap to finish removing the old one from and installing this new ignitor replacement kit on your grill.
-Durable and Efficient: Each gas grill electronic ignition kit has passed igniting test before being listed. Once installing correctly, it will work great to ignite your gas grill in its long-term service.

Part Number:
Replacement for Weber ignitor module part # 1819-51 and 1836-32.
Replacement for Weber OEM igniter kit # 67726, 67847 and 91360

Package:
-Installation Instructions x1
-Electronic ignition module x1
-Ceramic sparking device with electrode and wires x1
-Metal sparker box with electrode and wires x1
-Button caps x2 (one is a present for you)
Please note AAA battery is required but not contained inside.

Grill Replacement Parts for Weber Genesis 300 and Spirit 200 & 300 series models whose gas control knobs are on the side of the grill as below:
-Genesis 300 series (2007-2010) as Genesis E/S-310, 320; EP/CEP-310, 320
-Spirit 200 series (2009-2012) as Spirit E/S-200, 210
-Spirit 300 series (2009-2012) as Spirit E-310, E-320

Please Note:
1. It will not fit any front-mounted control grill or Genesis II / Spirit II series grill.
2. It will not fit any Gold / Silver / Platinum / 1000-5000 or Summit Series grill.