Genesis II Grill Griddle Replacement Plate - Cast Iron Flat Top

In this review of the Genesis II Grill Griddle Replacement Plate, the bottom line is simple: it is for grill owners who want a durable cast iron flat top that restores a larger, continuous cooking surface to Genesis II 300 and 600 series grills. The reviewer found the matte enamel cast iron construction delivers strong heat retention and even searing, making it a practical replacement for worn or damaged OEM griddles. While some users noted concerns about finish wear and exact size fit, the griddle's performance for searing and consistent cooking is the primary reason to buy.

Key Features

• Material: Matte enamel cast iron provides strong heat retention and helps the griddle reach searing temperatures quickly.
• Cooking area: A larger flat top surface offers more usable space for pancakes, bacon, or searing multiple cuts at once.
• Even heating: Heavy duty cast iron construction delivers even heat distribution across the plate for consistent results.
• Durability: The enamel finish resists the flaking issues of some porcelain coatings and is built to last with proper care.
• Compatibility: Designed to fit a wide range of Weber Genesis II 300 and 600 series models so replacement is straightforward.
• Maintenance: Oiling before and after use and using non-metallic tools helps preserve the finish and extend service life.

Who It's For

This griddle is best for owners of Genesis II 300 or 600 series grills who need a reliable replacement surface and want the benefits of cast iron heat retention for searing and even cooking. It suits weekend cooks who use their grill for breakfast foods, stir-fry, or seared meats and want a single flat surface for versatility.

Those who should look elsewhere include buyers who require an exact OEM dimension guarantee for a custom build or who will not maintain a cast iron surface; some customers reported mixed experiences with rust and finish wear, so low-maintenance stainless alternatives may be a better choice for those unwilling to oil and care for the griddle.

Pros & Cons

Pros

• Fits many Genesis II 300 and 600 series grills and serves as a practical OEM replacement.
• Matte enamel cast iron construction provides excellent heat retention and searing performance.
• Heavier, durable build that feels sturdier than thin porcelain-coated plates.
• Generous flat cooking area expands usable grill surface for multiple foods at once.

Cons

• Some customers reported issues with rust or paint peeling, so regular oiling and care are required.
• Size received mixed feedback from a few users, so checking fit against your specific model before purchase is advised.

Specifications

Brand	Charbrofire
Material	Matte enamel cast iron
Compatible Models	Genesis II 300 and II 600 series (many E, S, SE, LX variants)
Original Part Numbers	7599, 66802, 66095, 66805, 8854, 66803
Length	18.7 in (pack of 1)
Surface	Flat top griddle plate

Our Verdict

The Genesis II griddle plate is a solid value for Genesis II 300 and 600 series owners who want improved heat retention and a larger flat cooking surface. It excels at searing and even cooking when properly maintained, though buyers should be prepared to oil and care for cast iron to avoid finish issues. For those who prioritize durability and performance over low maintenance, it is a practical replacement.

Frequently Asked Questions

Will this fit my Genesis II 300 series grill?
It is designed for many Genesis II 300 series models including E-310, S-310, SE-310 and similar variants, but verify measurements against your current plate.

How do I care for the matte enamel cast iron?
Oil the griddle before and after each use, clean with non-metallic tools, and avoid abrasive scrubbing to preserve the enamel finish.

Is this plate prone to rust?
Cast iron can rust if not maintained; several users reported rust or peeling when care was inconsistent, so regular oiling and drying are recommended.