Miles SinclairBy Miles Sinclair

Updated November 2026

Parts for Weber Spirit gas grill are easiest to find by first identifying your exact model and the component that failed. Weber sells replacement burners, grates, flavorizer bars, igniters, grease trays and control knobs through its own parts department, authorized dealers and third-party sellers. Matching the model number and the part number before you order prevents most fit problems.

Why finding the right parts for Weber Spirit gas grill can be tricky

The Spirit line has been produced in several generations, and Weber has revised some components over the years. A burner or heat shield that fits one version may sit slightly differently on another. Owners often report ordering a part that looked identical online, only to find the mounting tabs or venturi size didn’t match. The fix is to confirm the model and serial information before you click buy.

Shopping for one? See our guide: 2 Burner Compact Gas Grill Review (2026): Pros, Cons & Who Should Buy.

Wear is the other main factor. Burners corrode, especially where grease and moisture collect. Flavorizer bars warp from repeated high heat. Igniter electrodes weaken and stop producing a spark. Knowing which part is causing the problem keeps you from replacing things that still work.

Identify your model and the part you need

Start with the rating label. On Weber gas grills, the label is usually found on the inside of the cart door, under the lid, or on the back of the firebox. It lists the model name and a serial number. Write both down. Weber’s support site uses the serial number to show the parts diagram for your specific unit, which is more reliable than matching by appearance alone.

Once you have the diagram, match the failed component by its number. Common replacement categories include:

  • Burners: Check for holes that are clogged or corroded, and for cracks near the venturi tube.
  • Grates: Cast-iron grates can crack or flake. Porcelain-enameled steel grates chip over time.
  • Flavorizer bars: Warped, burned-through or heavily crusted bars should be replaced to restore heat distribution.
  • Igniter and electrode: If the button clicks but no spark appears at the burner, check the wire and electrode gap first.
  • Grease tray and cup: These take a lot of abuse and are cheap to swap when they rust through.
  • Control knobs and valves: Cracked knobs or sticky valves can make the grill hard to control safely.

Where to buy and what to check before ordering

Weber’s official parts department and authorized dealers are the safest sources because they match the model directly. Third-party sellers can also be a good option when they list the Weber part number and show a compatible model list. Compare the part number on the listing against your diagram, not just the photo.

Before ordering, measure the old part when you can. Burner length, grate dimensions and the number of flavorizer bars are common mismatch points. Keep the original packaging or take a photo of the part with a ruler beside it.

Practical steps for replacing parts safely

  1. Turn off all burners, close the propane valve on the tank, and disconnect the regulator before working on the grill.
  2. Let the grill cool completely. Grates and burners stay hot long after you shut off the controls.
  3. Take photos as you disassemble so you remember how the burner, heat shield and flavorizer bars sit.
  4. Remove the grates and flavorizer bars first, then the burner screws and venturi connections.
  5. Reinstall the new burner so the venturi tube sits over the valve orifice, then tighten all screws evenly.
  6. Test for gas leaks by brushing soapy water on connections while the tank is open. Bubbles mean a leak; tighten or replace the fitting.
  7. Light the grill on low and check the flame pattern. Blue flames with small yellow tips are normal; a lot of yellow or lifting flames need attention.

Gas work carries real risk. If you smell gas, see persistent leaks, or are unsure about a propane connection, stop and consult a qualified appliance repair technician.

Maintenance that extends the life of your parts

Clean the burners and grates regularly, and degrease the cart and firebox after cooks that drip a lot of fat. A grill cover keeps rain and debris off the burners between uses. For a full routine, see How to Deep Clean Your Gas Grill’s Burners and Grates. For general care across grill types, How to Clean a Grill: Gas, Charcoal and Pellet Step by Step covers the basics. Owners who keep a grill covered and cleaned often report fewer burner and igniter failures over several seasons.

If you’re deciding whether to repair or replace the whole unit, Using and Maintaining a Four-Burner Gas Grill offers guidance on maintenance intervals, and Gas Grill Buying Guide: Features, Fuel, and Performance helps you compare what a newer model would offer.

What we’d use

A stiff, non-metal brush and a degreaser are the first things to keep on hand for cleaning burners before you decide a part is worn out.

  • Weber Grill Brush with a sturdy handle for routine grate cleaning. View on Amazon
  • A grill cover sized for your Spirit model, to protect burners and igniters from weather. View on Amazon
  • A basic leak-test spray bottle and soapy water mix for checking connections after any part swap. View on Amazon

How do I find the model number on my Weber Spirit?

Check the rating label inside the cart door or under the lid. It lists the model name and serial number, which you’ll need to look up the correct parts diagram.

Are Weber Spirit burners interchangeable between models?

Not always. Burner dimensions, venturi size and mounting tabs can differ between generations, so always verify the part number against your serial number.

Why does my Spirit igniter click but not light?

Check the electrode wire connection and the gap between the electrode and the burner. Moisture or grease on the electrode is a frequent cause, and cleaning often fixes it.

Can I replace flavorizer bars myself?

Yes. They lift out after removing the grates. Match the number of bars and their length to your diagram before ordering.

How often should I replace grill parts?

There’s no fixed schedule. Replace burners that have holes or cracks, grates that are broken, and flavorizer bars that are burned through. Regular cleaning slows wear considerably.

Ready to choose one?

Miles Sinclair

About Miles Sinclair

Miles Sinclair is part of our editorial team and reviews and edits our BBQ & grilling guides, checking product details against manufacturer specifications and owner feedback.