Stanbroil Full Size Griddle Insert for Weber Spirit 300 Series - Full

In this review the Stanbroil Full Size Griddle Insert is judged by how well it converts a Weber Spirit grill into a dependable flat top. The bottom line: this stainless steel griddle is for home grill owners who want a heavy-duty, full-size cooking surface that fits a wide range of Spirit and Genesis models and delivers even heat and easy cleanup. It stands out for build quality and a non-stick stainless finish that makes breakfast, dinner and delicate foods simple on a gas grill.

Key Features

• Compatibility: Fits many Weber Spirit I/II 300 series and select Spirit 400 models so owners can replace the factory plate or expand grill capability without buying a new unit.
• Stainless steel construction: Premium stainless steel provides strong heat retention and a durable, non-stick surface that resists warping and simplifies cleaning.
• Full-size conversion: Converts the entire grilling surface into a flat top in seconds, allowing preparation of eggs, pancakes, rice and seared steak on one platform.
• Grease management: Reasonable-size grease drain hole reduces flare-ups and makes grease and residue removal faster after cooking.
• Side handles: Built-in side handles make it easier and safer to lift the heavy plate out of the grill for repositioning and cleaning.

Who It's For

The griddle is best for homeowners who already own a compatible Weber Spirit or certain Genesis models and want a robust, full-size flat top to expand their outdoor cooking repertoire. It particularly suits people who cook breakfast and delicate items where a continuous flat cooking surface improves results compared with grill grates.

Those who should look elsewhere are users with 2025 Spirit 300 redesigns or other grill brands not listed among the compatible models, and buyers seeking a thin, lightweight sheet - this insert is noticeably heavy-duty and built for heat retention.

Pros & Cons

Pros

• Well-built stainless steel construction gives excellent durability and stick resistance.
• Fits a wide list of Spirit and Genesis models, serving as a direct replacement for older griddle parts.
• Even heat transfer for most foods and simple cleanup thanks to the non-stick surface.
• Side handles and a grease drain hole make removal and maintenance straightforward.

Cons

• Some users report occasional hot spots along burners, so attention to heat settings is needed.
• Not compatible with Spirit 300 models from 2025, so double-check year and model before ordering.

Specifications

Brand	Stanbroil
Material	Stainless steel flat top
Compatible models	Weber Spirit I/II 300 series (2007-2024) and select Spirit 400 & Genesis models
Replaces	Weber griddle 6787
Grease management	Built-in grease drain hole
Handles	Side handles for removal

Our Verdict

The Stanbroil full-size griddle insert is a practical upgrade for compatible Spirit and Genesis grill owners who want a durable, easy-to-clean flat top that expands cooking options. It delivers good heat retention and a non-stick stainless surface for varied foods, making it a solid value for anyone converting an older Spirit 300 or similar model into a griddle-ready setup.

Frequently Asked Questions

Will this fit my Spirit 310 or 315?
Yes, it lists compatibility with Spirit E/SP-310 and E/S-315 models from the covered years.

Is the surface non-stick and easy to clean?
The stainless steel surface is described as non-stick and customers report it is easy to clean after use.

Does it prevent flare-ups?
The griddle includes a grease drain hole to channel grease away and reduce flare-up risk during cooking.