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Weber Spirit Parts

Weber Spirit flavorizer bars: find the right size, then know when to replace.

Flavorizer bars are not universal. A Spirit 200-series bar is shorter and shaped differently from a 300-series bar. Ordering the wrong one is a common mistake. Here is how to identify which bars fit your grill, how to check if yours are worn out, and the verified fit for the front-control Spirit and Genesis 300 series.

Identify my bars When to replace
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Which bars fit my grill When to replace Get the right bars

Identify your series and control location first, then check for rust holes and warping. Replace bars when they are rusted thin or warped through.

Time to check
5 minutes
Key fit factor
Series and control location
200 vs 300
Different, not interchangeable
Front vs side control
Different, not interchangeable
  1. 1 Count the burners (200 = 2 burners, 300 = 3 burners)
  2. 2 Confirm front-control vs side-control
  3. 3 Lift a bar and inspect for rust holes and warping
  4. 4 Replace if rusted thin, warped, or full of holes
  5. 5 Confirm model before ordering

What flavorizer bars do (and why they wear out)

Flavorizer bars sit directly above the burner tubes, angled with the V-point up. Dripping grease hits the hot bars instead of the burner below. Most of it vaporizes into smoke that rises back up and flavors the food. What doesn't vaporize runs down the bar and into the grease tray.

That cycle of grease hitting hot steel takes a toll. After two to four seasons, bars rust from the inside out and eventually develop holes that let grease through to the burner below. That is what causes flare-ups and uneven heat. When the bars are warped or rusted through, they cannot do their job no matter how clean the grill is.

Step one: identify your grill before you buy anything

Two things determine which bars fit: the series (200 vs 300, based on burner count) and the control location (front vs side). Get both right before ordering. The bars are not interchangeable across these categories.

The two fitment questions to answer before ordering
  • How many main burners? Count the control knobs on the cookbox. Two knobs = 200 series (E-210, E-220). Three knobs = 300 series (E-310, E-320, E-330). The 200-series bars are shorter and will not fit a 300-series cookbox.
  • Where are the control knobs? On the front face of the cookbox = front-control model (2013 and newer for the Spirit 300). On the right side table = side-control model (older). These two designs use different bars shaped to fit around the different valve positions. They do not swap.

200-series vs 300-series bars at a glance

These two bar sets are not interchangeable. The table below shows the key differences so you order the right set the first time.

FeatureSpirit 200 (2-burner)Spirit 300 / Genesis 300 (3-burner, front-control)
SeriesSpirit 200 (E-210, E-220)Spirit 300 / Genesis 300 (front-control)
Bar lengthShorter (narrower cookbox)17.5 inches (wider cookbox)
Control locationSide or frontFront panel (2013 and newer)
Bar count2 bars3 bars
Cross-fits other series?NoYes, Spirit and Genesis 300 share this bar set

When to replace flavorizer bars

Lift each bar out of the grill and inspect it underneath. You are looking for rust holes, heavy warping, and bars that have rusted thin enough to bend easily. Surface rust that is still structurally solid is fine to clean and keep. The table below is the decision guide.

Visible rust holes or deep pitsReplace now
Bars rusted thin (feels light, bends easily)Replace now
Heavy warping, bars no longer seat flatReplace now
Surface rust, bars still solidClean and keep
Grease buildup but bars intactClean and keep
Bars less than 2 years old, no damageKeep, inspect yearly

How to inspect your flavorizer bars in five minutes

Let the grill cool completely

Bars hold heat for a long time. Do not rush this.

Deep dive

Wait at least an hour after the last cook before touching the bars. Even when the grill exterior feels cool, the bars inside may still be hot enough to burn.

Lift each bar out and flip it over

The underside tells the real story.

Deep dive

Remove the cooking grates, then lift each flavorizer bar out by its edges. Most bars just rest on support brackets and lift straight up. Flip each bar over and look at the underside, which faces the burner. That surface takes the most heat and rusts first.

What to look for: visible rust holes (any size), patches where the metal has rusted thin and bends when you press on it, and warping that prevents the bar from sitting flat in its bracket.

Check that bars seat at the same height

A bar that has shifted redistributes heat unevenly.

Deep dive

Set all bars back in their brackets and look across the top of each bar. They should all sit at roughly the same height, with the V-point facing up and evenly spaced. A bar that has slipped off its bracket or tipped sideways creates a hot spot above it and a cooler zone at the next bar over.

Reseat any bar that has shifted before running the grill again. If you cannot get a bar to sit level because it has warped, that bar needs replacing.

Decide: clean and keep or replace

Use the table above as your guide.

Deep dive

Surface rust without holes is fine. Scrub it off with a grill brush, wipe the bars down, and reseat them. If you find rust holes, thin metal, or heavy warping, order replacements before the next cook. Running a grill with holed bars means grease drops straight onto the burner below, which is where flare-ups start.

When you order, confirm your series (200 or 300) and your control location (front or side) before placing the order. The verified bars linked below fit the front-control 300 series.

Never substitute foil for worn bars

Aluminum foil over the burners blocks the airflow the burner needs and can trap heat in a way that damages the cookbox. Replace worn bars rather than covering the burner with foil. Bars are not expensive, and grease dripping directly onto a burner is a fire risk.

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The verified fit for the front-control Spirit and Genesis 300

These 17.5-inch bars fit the front-control Weber Spirit 300 (E-310/E-320/E-330, 2013 and newer) and the Genesis 300 with front-mounted controls. Confirm your grill has front-mounted controls and is the 3-burner 300 series before ordering.

Have a 200-series Spirit or an older side-control model? The bars above will not fit. Use these tag-attributed search links instead: Spirit 200-series flavorizer bars or Genesis 300 side-control bars. Match your model before buying.

What else we verify

No brand pays us to feature a part here. Every pick is a current Amazon listing we check for correct fitment and stock, with a real track record of buyer reviews rather than a brand we have not seen hold up.

FAQ

What do flavorizer bars actually do?

They sit directly over the burner tubes and catch the dripping grease before it hits the burner. The grease vaporizes on the hot bars and adds smoky flavor to the food above. When bars wear out, grease drips through to the burner, causing flare-ups and uneven heat.

How do I know if I have a Spirit 200 or 300?

Count the main control knobs on the cookbox. Two knobs means a 2-burner Spirit 200 (like the E-210). Three knobs means a 3-burner Spirit 300 (like the E-310). The verified bars linked here fit the 3-burner front-control 300 series. If you have a 200-series, you need a different, shorter set.

What is the difference between front-control and side-control Weber grills?

On front-control models (2013 and newer for the Spirit 300 series), the knobs are on the front face of the cookbox. On older side-control models, the knobs are on the right side table. The flavorizer bars are shaped differently between these two designs and are not interchangeable. Confirm your control location before ordering.

Do these bars fit both a Weber Spirit 300 and a Genesis 300?

Yes, the front-control 300-series bars (B00FLRBUOW) fit both the Spirit 300 (E-310/E-320/E-330) and the Genesis 300 with front-mounted controls. The key is matching the control location (front vs side) and the series (300-series, not 200). Always check the listing fitment notes before ordering.

How often should I replace flavorizer bars?

On an actively used grill, bars typically last two to four years before they rust thin or warp through. Check them at the start of every grilling season by lifting each bar and inspecting underneath. Rust holes that let flame through, bars that have lost their V-shape, or bars that feel noticeably lighter than they should are all signs to replace.

Can I use aluminum foil instead of replacing the bars?

No. Foil blocks airflow to the burner and creates a fire risk. Replace bars when they are worn. They are not expensive and the bars do real work protecting the burner tubes below them.

Related guides

Replacing bars while doing a full restore?

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