Finding the right enameled cast iron grill grates can dramatically improve heat distribution, durability, and cleanup. This guide highlights five top options designed to fit popular Weber and Genesis grills, focusing on porcelain-enameled cast iron for longevity and non-stick performance. Each product section provides key specs and fit notes to help you choose confidently for your grill model and cooking style.
| Product | Brand | Grill Compatibility | Key Feature |
|---|---|---|---|
| Uniflasy 17.5″ Porcelain-Enameled Grates (2-Pack) | Uniflasy | Weber Spirit 200 Series; Spirit II 200 Series | Polished porcelain coating; durable and heat-retentive |
| Weber Porcelain-Enameled 19.5″ Grates (Genesis 300 Series) | Weber | Genesis 300 Series (E310/E320/E330, S310/S320/S330) | High heat retention; heavy duty construction |
| QuliMetal 19.5″ Grates for Genesis 300 Series | QuliMetal | Genesis E310, E320, E330; S310, S320, S330 | Porcelain-enameled cast iron; precise fit |
| Tmozyar 14″–20″ Adjustable Grates (3-Pack) | Tmozyar | Universal extension for varied grill sizes | Adjustable length; matte enameled surface |
| Uniflasy 19.5″ Genesis 300 Series Grates | Uniflasy | Genesis 300 Series (E310/E320/E330; S310/S320/S330) | Polished porcelain coating; durable and heat-retentive |
Note: All product descriptions reference the listed fit notes and material details. When selecting grates, confirm compatibility with your grill’s year and model to ensure a proper seal and even cooking performance.
Uniflasy 17.5 Inch Weber Spirit Grates

These porcelain-enameled cast iron grates are designed for Weber Spirit 200 Series grills (including front-control models from 2013–2017) and Spirit II 200 Series. Each grate measures 17.5″ long by 10.2″ wide, with a pair totaling 17.5″ x 20.5″. The upgraded polished porcelain coating increases durability, heat retention, and corrosion resistance, while remaining non-toxic and easy to clean. The 11.4-pound total weight provides a sturdy feel compared with lighter alternatives.
Weber Porcelain-Enameled 19.5″ Grates

Weber’s 19.5″ grates for the Genesis 300 Series boast manual operation and robust construction with superior heat retention. Built from high-quality materials, these grates are designed to withstand high grilling temperatures and heavy use, delivering even searing and reliable performance over time. They are ideal for users seeking a standard Weber replacement with a focus on longevity and heat management.
QuliMetal 19.5″ Grates for Genesis 300 Series

QuliMetal offers porcelain-enameled cast iron grates designed for Weber Genesis 300 Series models (E310/E320/E330 and S310/S320/S330). They replace several Weber part numbers and also accommodate select KitchenAid models. The set measures 19.5″ x 13.25″ per grate, with a total of 19.5″ x 26.5″ for two. The glossy enamel finish provides excellent non-stick properties and corrosion resistance for long-term use.
Tmozyar Adjustable Grill Grates (3-Pack)

Tmozyar provides an adaptable option with three 14″–20″ extendable grates. Each piece is 8″ wide and features a matte enameled cast iron construction. The set is designed to heat evenly and maintain heat, reducing hotspots and scorching. The surface coating helps prevent peeling and ensures a safer grilling surface for varied grill sizes.
Uniflasy 19.5″ Genesis 300 Series Grates

Designed for Weber Genesis 300 Series (E310/E320/E330 and S310/S320/S330), these grates use polished porcelain-coated cast iron for enhanced durability and heat retention. They are heavier than original Weber grates, offering a longer service life and strong resistance to corrosion and high temperatures. The finish ensures easier cleanup and a non-stick cooking surface over time.
Buying Guide
Fit and Compatibility
Always verify model numbers and grill years before purchasing. Grates are highly specific to grill series (Spirit, Genesis, etc.) and may vary by front-control versus side-control configurations. A grate that doesn’t match your model may not seat correctly or provide proper heat distribution.
Material and Coating
Porcelain-enameled cast iron combines durable metal with a non-stick, easy-to-clean coating. The enamel protects the iron from rust and simplifies maintenance, while the cast iron core ensures even heat distribution and excellent retention. Avoid low-quality coatings that can chip or peel with high heat and frequent use.
Size and Configuration
Double-check the dimensions: typical Weber Genesis grates are around 19.5″ long, with varying widths. Some sets include two grates for a complete grill surface, while others offer single-piece or adjustable configurations. Incorrect sizing can lead to gaps or poor grill performance.
Weight and Durability
Heavier grates generally imply sturdier construction and longer service life but can be harder to maneuver during cleaning or replacement. Compare weights and handling guides to ensure you’re comfortable with routine maintenance and installation.
Maintenance and Longevity
Porcelain enamel resists rust and requires less seasoning than bare cast iron. However, care is still needed to avoid chipping the enamel. Avoid abrasive cleaners, use soft brushes or sponges, and perform light oiling after cleaning to maximize non-stick performance and prevent corrosion.
Warranty and Support
Consider product warranties or guarantees, especially for non-OEM replacements. A solid warranty can provide peace of mind if performance issues arise or if a part doesn’t fit as expected on arrival.