Here are the most common Weber Genesis Silver A parts that folks will need.
For the Flavorizer bars and grill grates you actually have a couple of choices. My suggestion is that you go with stainless steel for both.
Warm Up Swing Basket: If your Silver A is a later model that has the thermometer in the middle of the lid then it also came with the warm up swing basket.
Here are a few in depth articles about the Weber Genesis Silver A parts.
Genesis Silver Ignition System Information: This link takes you to an article that shows which of the two available ignition systems is correct for your Silver A. The article has downloadable instructions and a great video showing how to replace the ignition system.
Removing the Control Panel: If you want to access the igniter or find the serial number for your Silver then you need to remove the control panel.
Genesis Silver Burner Tube Information: This link takes you to an article that shows how to maintain or replace the burner tubes on a Silver A. The article includes Weber’s original downloadable instructions on burner tube replacement. The article also has videos showing how to maintain your burner tubes and how to replace them.
Genesis Silver Flavorizer Bar Information: This link takes you to an article that explains when replacing the Flavorizer bars is needed and when a simple cleaning is sufficient. The article provides a great idea to help your Flavorizer bars last longer. I also use the article to explain why I think the best Flavorizer bars are the aftermarket are a better value than original Weber parts.
Genesis Silver Grill Grate Information: There are three grill grate choices for the Silver A. Two of them are great and one is a real stinker.
Genesis Silver Model Changes: The Silver A evolved quite a bit during the five years it was in production. This article provides the Owner’s manual and cookbooks that went with each version of this grill.