Genesis II Grill Grate Replacement Parts for Genesis ii 300 Series

In this review of the Genesis II grill grate replacement parts, the bottom line is straightforward: these matte enamel cast iron grates are aimed at owners of the Weber Genesis II 300 series who want a heavier, longlasting cooking surface that holds heat and delivers even searing. Built with larger diameter solid rods and thicker construction than many replacement options, the set is most appealing to grillers who prioritize heat retention and sturdy fitment over lightweight convenience.

Key Features

• Matte enamel cast iron: The finish provides a durable, highheat cooking surface that helps sear food and resist chipping compared with thin porcelain coatings.
• Heavier solid rods: Larger diameter rods increase mass so the grates retain heat longer and produce more even cooking across the surface.
• High heat retention: Cast iron construction speeds up browning and keeps temperatures steady when cooking steaks, burgers or vegetables.
• Exact fit for Genesis II 300 series: Designed for 2017 and newer Genesis II 300 and LX 300 models so replacement installs without modification on compatible grills.
• Easy maintenance when oiled: Oiling before and after use and using nonmetal tools reduces sticking and extends the life of the enamel surface.

Who It's For

This set is for Genesis II 300 series owners who want a direct replacement that improves heat retention and feels more substantial than stock grates. Backyard cooks who sear frequently or who value longterm durability from cast iron will appreciate the heavier rods and even heat distribution.

Those who prefer ultralightweight grates or who are uncomfortable with regular seasoning and oiling should look elsewhere, as cast iron requires routine care to minimize surface wear and occasional rusting reported by some buyers.

Pros & Cons

Pros

• Solid, heavy construction that improves heat retention and searing performance.
• Designed to fit Genesis II 300 and LX 300 series models for easy replacement installation.
• Matte enamel finish reduces chipping compared with thin porcelain coatings when properly maintained.
• Good value for the durability and materials delivered versus many thin replacement grates.

Cons

• Requires regular oiling and careful cleaning; some users report difficulty cleaning and surface rust if neglected.
• Heavier weight can be unwieldy for some users when removing or handling the grates.

Specifications

Our Verdict

These replacement grates are a practical upgrade for owners of the Genesis II 300 series who want improved heat retention and a heavier, more durable cooking surface. They offer solid fit and good value, provided the owner accepts the routine care cast iron requires to avoid rust and maintain the enamel finish.

Frequently Asked Questions

Will these fit my Genesis II 300 series grill?
Yes, they are designed for Genesis II 300 and LX 300 models from 2017 onward; they do not fit preII Genesis grills from earlier years.

How should I clean and care for these grates?
Oil before and after each use, use nonmetallic tools to avoid surface damage, and dry thoroughly to reduce the chance of rust.

Do these grates resist chipping better than porcelain coated grates?
The matte enamel cast iron finish is more robust than thin porcelain coating, but the enamel still benefits from proper care to prevent peeling or rusting.