Weber Genesis · Parts Guide
Flavorizer bar replacement is the most-commonly-needed Weber Genesis repair. Porcelain-coated bars fail in 3-5 years; stainless steel bars last 7-10 years. Every Genesis owner eventually replaces them — straightforward $30-100 repair that takes 10 minutes. The catch: Weber has produced five distinct Genesis generations spanning 1998 to today, and the flavorizer bar dimensions vary significantly between them. The 2011-2016 Genesis 300 Series uses 17-5/8" bars; the 2017+ Genesis II 300 uses 17-1/8" bars (similar names, different parts). This guide walks you through identifying your specific Genesis first, then connects you to the exact bars for your grill.
This page is a Genesis-specific deep dive on flavorizer bars. For cross-model flavorizer bar comparisons across Weber's full lineup (Spirit, Genesis, Summit), see our Weber Flavorizer Bars Guide. For the sibling Spirit page, see our Weber Spirit Flavorizer Bars guide. For all Genesis replacement parts, see the Weber Genesis Grill Parts hub.
The Basics
The angled metal strips above your Genesis burners are a patented Weber innovation. Here's what they accomplish.
Flavorizer bars are V-shaped metal strips mounted directly above the burner tubes, below the cooking grates. They serve three critical functions:
The angled bars deflect grease drippings away from the gas ports underneath. This protection extends Genesis burner tube lifespan from 4-6 years to 12-18 years on properly-maintained grills. Without flavorizer bars, grease would clog gas ports within months.
When grease drippings hit the hot bars, they vaporize and smoke — recirculating flavor up through the food. This is what makes Weber Genesis cooking taste meaningfully different from cheaper gas grills. The "Genesis flavor" comes largely from this vaporization.
Flavorizer bars spread heat across the cooking surface rather than leaving hot spots above each burner. The 45-degree angle redirects flame upward to create uniform temperature distribution — a meaningful cooking advantage that defines the Weber gas grill experience.
When flavorizer bars fail, all three functions degrade simultaneously. Burners get dirtier faster, food loses Weber smoky flavor, temperature distribution becomes uneven. Time to replace.
Diagnosis
Recognize the warning signs before they affect cooking performance.
The most common sign. Porcelain bars develop rust once the coating chips; stainless bars develop rust at metal fatigue points. Once rust starts, it accelerates fast. Genesis owners typically catch rust early because the bars are visible when cooking grates are removed.
High-heat cycles cause metal fatigue. Visibly bent, split, or wavy bars don't distribute heat properly. Genesis bars warp slightly less than Spirit bars due to thicker construction, but eventual warping is normal and indicates a 1-2 season replacement window.
If you notice uneven flame patterns or yellow spots on burner tubes after cooking, your flavorizer bars likely have holes or gaps letting grease through. Damaged bars = damaged burners shortly after.
If your Genesis-cooked food tastes more "gas grill" and less "Weber smoky" compared to when the grill was new, the bars have lost their vaporization performance. Often the first symptom that's noticed before visible damage appears.
Genesis flavorizer bar lifespan: porcelain-coated bars 3-5 years; stainless steel bars 7-10 years. Bars exposed to rain or coastal climates last shorter; covered grills last longer. Most Genesis owners replace flavorizer bars 2-3 times during the grill's 15-20 year lifespan.
Step 1
Genesis flavorizer bar dimensions vary significantly across generations. The 2011-2016 Genesis 300 vs 2017+ Genesis II 300 trap is the most common ordering mistake — similar names, completely different parts. Identify your grill carefully here.
1998 – 2010
Common models
2011 – 2016
Common models
2017 – 2022 (most common)
Common models
2017 – Present
Common models
Quick Genesis identification rule: count your bars and measure one. 5 bars at 22" = legacy Silver/Gold/Platinum. 5 bars at 17-5/8" = Genesis 300 (2011-2016). 5 bars at 17-1/8" = Genesis II 300 (2017+). 3 bars at 17-1/8" = Genesis II 200 series. The 2011-2016 vs 2017+ trap is real — 17-5/8" and 17-1/8" might sound close, but the bars are genuinely incompatible. Always measure before ordering. When in doubt, contact Weber at 1-800-446-1071 with your serial number.
Most Common Tier
Genesis II / Genesis II LX 300 Series — the most common Genesis tier currently in homes. These grills feature the GS4 grilling system and have specific 17-1/8" flavorizer bars.
Official Weber stainless flavorizer bars for Genesis II / Genesis II LX 300 Series (2017-2022). Set of 5 bars, each 17-1/8" long x 3" wide x 2-1/8" tall. 430-grade stainless. 7-10 year lifespan. Fits Genesis II E-310, E-315, E-330, E-335, S-310, S-315, S-330, S-335, S-345, LX E-340, LX S-340.
Official Weber porcelain-enameled flavorizer bars for Genesis II / Genesis II LX 300 Series (2017-2022). Set of 5 bars, same 17-1/8" dimensions as stainless. Black porcelain coating. 3-5 year lifespan (shorter than stainless).
304-grade stainless aftermarket bars for Genesis II / Genesis II LX 300. Set of 5 bars matching OEM dimensions (17-1/8"). Available from QuliMetal, Hongso, Uniflasy, PETKAO, SafBbcue, Grillpartsreplacement.
Pre-Genesis II
Pre-Genesis II Genesis 300 Series with front-mounted controls. These grills are now 9-14 years old and the most common Genesis generation currently needing flavorizer bar replacement.
Official Weber stainless flavorizer bars for Genesis 300 Series (2011-2016) with front-mounted controls. Set of 5 bars, each 17-1/2" long x 2-1/4" wide x 2-3/8" tall. 18-gauge 430-grade stainless. Fits Genesis E-310, S-310, E-320, S-320, E-330, S-330, EP-310/320/330, CEP-310/320/330.
Porcelain-enameled flavorizer bars for Genesis 300 Series (2011-2016). Set of 5 bars, 17-5/8" long (16-5/8" along the peak of the tent) x 2-1/8" tall. Black porcelain coating. 3-5 year lifespan.
304-stainless aftermarket flavorizer bars for 2011-2016 Genesis 300 Series. Set of 5 bars matching OEM dimensions. Replaces Weber Part #7620, #7621, #62783, #65055. Brands include QuliMetal, EpicQT, Hongso.
Important note for 2011-2016 Genesis owners: these grills are NOT Genesis II despite the front-control design. The "Genesis II" branding launched in 2017 with the GS4 grilling system. If your Genesis was purchased between 2011 and 2016 with front controls, it's the pre-Genesis II 300 Series. Bars are 17-5/8" (porcelain) or 17-1/2" (stainless), set of 5.
2-Burner & Current
The 2-burner Genesis II 200 Series uses 3 flavorizer bars. The current Genesis lineup (2022+ redesign) has updated specifications.
Set of 3 flavorizer bars for 2-burner Genesis II E-240 and S-240. Same 17-1/8" dimensions as the 300 Series; different quantity. OEM Part #66795 (stainless) or #66032 (porcelain) — buy correct quantity for your 2-burner grill.
Stainless steel flavorizer bars for current Weber Genesis (2022+) lineup. Updated specifications vs Genesis II 300 Series — verify model and production year before ordering. Weber Crafted frame compatibility.
Part identification tip for current Genesis owners: Weber's support site (weber.com/support) has a "Find Parts" tool where you enter your grill's model number and serial number. For current-generation Genesis still under warranty (10-year cookbox/lid, 5-year grates/flavorizer bars, 2-year other components), file warranty claims before purchasing retail replacement parts.
Pre-2010 Legacy
The pre-2010 Genesis Silver, Gold, and Platinum models with side-mounted controls use 22-1/2" flavorizer bars — significantly longer than current Genesis bars.
Official Weber stainless flavorizer bars for Genesis Silver B/C, Gold B/C, Platinum I/II, and pre-2010 Genesis grills with side controls. Also fits 2007-2012 Spirit E/SP/EP-310/320 (cross-compatible). Set of 5 bars, 22-1/2" long x 2-1/4" wide x 2-3/8" tall.
Porcelain-enameled flavorizer bars for pre-2010 Genesis Silver/Gold/Platinum and Spirit 300/700, Weber 900. Set of 5 bars, same 22-1/2" dimensions. Compatible across multiple older Weber lines.
For pre-2010 Genesis grills, Weber and authorized dealers (grillparts.com) are typically the most reliable sources. Aftermarket availability is more limited than for current Genesis II models — Genesis Silver/Gold/Platinum production ended over 15 years ago. If you can't find specific parts on Amazon, contact Weber at 1-800-446-1071 or call grillparts.com for legacy support.
Material Choice
Same material comparison as Spirit, with similar conclusions for Genesis owners.
430-grade stainless construction. The longer-lasting option with 7-10 year lifespan vs 3-5 years for porcelain. Won't chip or flake. Better heat retention. Premium material for premium longevity.
Buy stainless when:
Black porcelain enamel coating over steel. Non-stick surface prevents grease buildup. 15-25% cheaper than stainless. Coating chips over time, exposing steel to rust. 3-5 year lifespan.
Buy porcelain when:
Same recommendation as Spirit: stainless steel wins for 80% of Genesis owners. The $15-25 OEM price premium pays for itself in the first replacement cycle you avoid. Most Genesis owners who switch from porcelain to stainless after their first replacement don't go back.
Buying Strategy
For flavorizer bars, aftermarket is often the smart choice. Here's when OEM is worth the premium.
Manufactured by Weber to exact factory specifications. Perfect fit. Preserves warranty on grills under Weber's coverage. Direct customer service for installation questions.
Buy OEM when:
Third-party manufacturers (QuliMetal, Hongso, Uniflasy, PETKAO, SafBbcue, Grillpartsreplacement) make bars dimensionally compatible with Weber Genesis part numbers. 40-60% cheaper than OEM. Some include ventilation hole improvements.
Buy aftermarket when:
For Genesis flavorizer bars specifically: aftermarket is usually the smart choice. Like Spirit flavorizer bars, these aren't gas-carrying parts — fit precision matters less than on burner tubes. Quality aftermarket bars match OEM performance at significantly lower cost. Save the OEM premium for current Genesis grills still under warranty (the 5-year flavorizer bar warranty expires fast for older grills anyway).
DIY Installation
Easiest Weber Genesis repair. No tools required. No gas disconnection needed. 10 minutes start-to-finish.
Turn off gas and let grill cool completely
Turn off gas at LP tank or NG supply. Let the grill cool fully before handling — flavorizer bars reach 500°F+ during cooking and retain heat for 30-60 minutes after turn-off.
Remove cooking grates
Lift Genesis cooking grates out (heavy on 3-burner Genesis grills — use both hands). Set aside on a clean surface.
Lift out old flavorizer bars
Old bars lift out of their support brackets — no screws or hardware. If bars are stuck due to grease buildup, wiggle gently. Dispose of old bars properly (grease residue may be present).
Clean the support brackets
Wipe away grease buildup, debris, or rust from the support brackets underneath. Genesis brackets are larger than Spirit brackets — more surface area to clean. Clean brackets allow new bars to seat evenly.
Install new flavorizer bars
Place new bars into support brackets — angled edge faces DOWN (peaked side up). Each bar should sit flat. Wobbly bars indicate improper seating — lift and reseat.
Reinstall cooking grates
Place grates back on top of bars. Verify grates sit flat.
Test light the grill
Reconnect gas. Light each burner individually. Check for uniform blue flame and even heat distribution. Heat the empty grill to 400°F for 10-15 minutes to burn off packaging residue from new bars before cooking food.
Avoid These
Mistakes that waste money on wrong parts or shorten the lifespan of new bars.
The most common ordering mistake on Genesis flavorizer bars. Genesis 300 (2011-2016) uses 17-5/8" bars (Part #7620 / #7621). Genesis II 300 (2017+) uses 17-1/8" bars (Part #66795 / #66032). Similar names, different parts. The half-inch difference matters — bars from one generation will not fit the other. Always verify production year before ordering.
Pre-2010 Genesis Silver/Gold/Platinum uses 22-1/2" bars. Genesis 300 (2011-2016) uses 17-5/8" bars. Genesis II 300 (2017+) uses 17-1/8" bars. Five-inch length difference between legacy and current — measure existing bars or check serial number before ordering. Legacy bars in a current Genesis won't fit at all.
Genesis II 200 Series (E-240, S-240) uses set of 3 bars, not 5. Some sellers list "Genesis II 300" kits as the default — a 200 series owner would have 2 extra bars and miss the warmer rack space. Count your existing bars (or count burners: 2 burners = 3 bars; 3 burners = 5 bars).
Traditional wire grill brushes can shed metal bristles during cleaning. Bristles stuck to new flavorizer bars can fall into burner tubes, creating hot spots. Switch to bristle-free brushes (Grill Rescue, GrillArt, nylon) for cleaning around new flavorizer bars.
If 2 of 5 bars look badly rusted and 3 look "okay," replace all 5. Mixing old and new bars means uneven cookbox performance AND the older bars will fail within 12-18 months anyway. Full-set replacement saves a second repair trip and ensures consistent performance.
Shopping Guide
Four primary sources with different advantages.
Widest selection of Weber OEM and aftermarket flavorizer bars. Prime shipping. Customer reviews verify aftermarket quality. Best price comparison. For Genesis flavorizer bars, Amazon is usually the optimal choice.
OEM parts direct from Weber. Best for: warranty claims, current Genesis (2022+) parts, bundled with other repairs. 5-10 day shipping. MSRP pricing only.
Specialty Weber dealer since 1996. Best for: legacy Genesis (pre-2010), technical support for older models, hard-to-find parts. Same-day shipping.
Limited Genesis flavorizer bar selection in-store (current Genesis only). Best for: emergency replacement. MSRP pricing.
Our typical recommendation: Amazon for 90% of Genesis flavorizer bar purchases. Best selection, fastest shipping, easy quality verification. Weber.com for warranty claims on current Genesis. Grillparts.com for pre-2010 legacy Genesis where aftermarket support is limited.
FAQ
Parent parts hub covering every Genesis replacement part — burners, flavorizer bars, grates, igniters, and more.
Read guideSibling Spirit-specific deep-dive on flavorizer bars by generation, OEM part numbers, and DIY installation.
Read guideCross-model flavorizer bar guide covering Spirit, Genesis, and Summit. Sizes, fitments, and OEM part numbers.
Read guideIn-depth review of the current Genesis E-325s — useful context for Genesis shoppers comparing models.
Read guide