PETKAO GS4 Spirit II 300 Series Parts Kit – Flavorizer Bars, Grates & Burners

Upgrade your Weber Spirit II with PETKAO GS4 Spirit II 300 Series parts kit

Revitalize your Weber Spirit II 300 Series grilling experience with a purpose-built PETKAO parts kit. This kit is designed to fit widely used Spirit II models and offers a refreshed look and improved grill behavior without altering the grill’s core design. Expect sturdy materials, a snug fit, and a cleaner cooking process that feels reliable during every session.

Note: This description summarizes the features and potential benefits based on the included components. Real results depend on your grill model and how you use it.

What’s included

• Five porcelain-enameled flavorizer bars (snowflake design) for durable heat distribution and easy cleanup. Each bar measures 15.3 x 2.6 x 2.5 inches with a 16 GA thickness and four notches for airflow.
• Two matte cast iron grill grates for fast preheating, strong sear marks, and long-lasting performance (17.5" x 11.9").
• Three main burners plus one smaller crossover burner; stainless steel burner tubes sized to Weber specs (left/right main burners at 18 inches, crossover at 15-1/4 inches).
• Overall kit built for a seamless fit with the Weber Spirit II 300 Series GS4 setup, simplifying maintenance and replacement.

Key benefits and real-life use cases

• Ventilated flavorizer bars promote airflow and a more even flame across the cooking surface, helping you monitor flame behavior while grilling.
• Cast iron grates heat quickly and sear effectively, supporting faster preheats and robust texture on meats and vegetables.
• Durable materials resist wear from outdoor cooking, rain, and sun, helping your grill retain a fresh look over time.
• The kit is tailored for Weber Spirit II 300 Series GS4 configurations, making maintenance straightforward for fans of the original design.
• Well-suited for weekend barbecues and backyard gatherings where consistent performance and reliable replacement parts matter.

Compatibility and fit

• Designed for Weber GS4 Spirit II 300 Series grills, including Spirit II S310, E310, E320, S320 (2013–2017) and related Weber part numbers.

Care and installation tips

• Follow standard safety steps when replacing burners and flavorizer bars. Ensure connections are secure before use.
• Season new flavorizer bars as recommended to optimize performance during your first cooks.
• Inspect all components after installation to maintain a safe and reliable grilling setup.

We’re here to help you get the most from outdoor cooking. If you have questions after delivery, our support team is ready to assist with installation guidance or compatibility checks.