PETKAO Replacement Grill Kit for Weber Spirit II GS4 E-310/E-320 — 3 Stainless Burners + 5 304 Flavorizer Bars

If your Weber Spirit II 300‑series grill is losing heat, burning unevenly, or producing excess flare‑ups, replacing worn burners and flavorizer bars can bring back consistent performance. This PETKAO kit is built to fit Spirit II E‑310/E‑320 and compatible GS4 models made 2017 and newer, matching common Weber part numbers so you can swap parts without fabricating adapters.

How does this kit improve grilling heat and flame consistency?

Worn or clogged burner tubes create cold spots and unstable flames. The PETKAO burner set provides three stainless steel main tubes plus a smaller crossover tube to deliver an even gas flow across the cooking surface so the grill heats faster and holds temperature more reliably.

• Left & right main burners: 18" (45.72 cm) each for balanced side heat
• Center main burner: 17-3/4" (45.09 cm) for middle-zone coverage
• Crossover burner: 15-1/4" (38.74 cm) to feed rear burner channels
• Designed for a uniform blue flame with simple air‑intake adjustment

What do the flavorizer bars and heat deflector do for cooking and maintenance?

The stainless steel flavorizer bars protect the burners while vaporizing drippings to add smoky flavor. The included heat deflector both reflects heat toward the grates and catches residue so grease burns off instead of pooling on burners, reducing flare‑ups and cleanup.

• Five 16ga 304 stainless flavorizer bars, 15.3 x 2.6 x 2.5 in each
• Heat deflector dimensions: 7-3/4" long × 4-1/4" wide, 2-1/8" peak height
• Flavorizer bar notches improve ventilation and allow flame inspection
• Residue on the deflector helps generate grill smoke for flavor

Is this PETKAO kit compatible with my Weber Spirit II model?

The parts are tailored for Weber Spirit II 3‑burner GS4 grills produced from 2017 onward, including common Spirit II E‑310/E‑320 and S310/S320 variants. PETKAO references multiple Weber original part numbers, making this a direct replacement for many factory configurations.

• Fits Spirit II 300‑series grills and GS4 Spirit II models
• Compatible with Weber part numbers: 67025, 67103, 69787, 68950, 68951, 65087, 69786 and others
• Works with model families: E310, E320, S310, S320 and several Weber model IDs
• Includes hardware and OEM‑style instructions for easier installation

How easy is installation and what comes in the package?

The kit ships with the essential components and step‑by‑step instructions so most grill owners can replace parts with common tools. All burner tubes and accessories are sized to match factory mounting points, and the package includes the small hardware required for fitting.

• Package contents: 3 main burners, 1 crossover burner, 1 stainless heat deflector, 5 flavorizer bars, instruction sheet
• Comes with complete mounting hardware and OEM‑style guidance
• No welding or modification needed for compatible Spirit II grills
• Restores airflow and safety features when installed correctly

Who is this for: PETKAO’s replacement kit is aimed at Spirit II owners who want to revive a 3‑burner GS4 grill without buying a new unit. It suits DIYers comfortable with basic hand tools, grill technicians replacing worn burner systems, and anyone seeking stainless steel flavorizer bars and a heat deflector that reduce flare‑ups and enhance grill smoke. If you’re unsure about fitment, check your grill model and the Weber part numbers listed before purchase, or contact PETKAO customer support for help.