Upgrading your grill grates to cast iron is one of the simplest, highest-impact improvements you can make to your outdoor cooking. Stock chrome-plated or thin stainless steel grates do the job, but they do not retain heat the way cast iron does. Cast iron holds thermal energy and transfers it aggressively to the food surface, creating deeper sear marks, better crust on steaks, and more consistent cooking across the grate. Here are the best cast iron grill grates and accessories for 2026.
Our Picks
GrillGrates Interlocking Panels (Custom Fit) · $$
Precision-machined aluminum panels with raised rails that concentrate heat for better searing. Available in custom sizes for virtually any grill brand (Weber, Traeger, Kamado, etc.). The interlocking design covers the full grate area and includes a GrateTool spatula.
GrillGrates are not traditional cast iron — they are precision-machined aluminum with raised rails that focus heat into narrow contact lines. The result is the best sear marks of any aftermarket grate system. The interlocking panels are custom-cut for dozens of grill models, and the flat underside doubles as a griddle surface when you flip them over. If you want the single biggest upgrade to your existing grill's searing ability, this is it.
Lodge Cast Iron Grill Grate for Charcoal Grills · $
Heavy-duty pre-seasoned cast iron. Fits standard kettle grills. The weight and thermal mass create superior sear marks and heat retention compared to stock chrome-plated grates. Requires periodic seasoning maintenance, just like a cast iron skillet.
Lodge cast iron grates are the no-frills option that delivers. Pre-seasoned and heavy, they fit standard kettle grills and bring the same heat retention that makes Lodge skillets legendary. The weight is a feature, not a bug — that thermal mass is what creates a perfect steak sear. Maintain them like any cast iron cookware (oil after use, keep dry) and they will outlast the grill itself.
Weber Crafted Sear Grate (for Genesis/Spirit) · $$
Weber's premium aftermarket grate — enameled cast iron with wide bars for restaurant-style sear marks. Designed as a drop-in replacement for stock Weber grates. Fits Genesis and Spirit models (confirm model compatibility before ordering).
Weber's own premium sear grate is designed to drop into Genesis and Spirit grills without modification. The wide enameled cast iron bars create restaurant-style sear marks, and the enamel coating makes them more rust-resistant than raw cast iron. If you own a Weber and want to upgrade without going aftermarket, this is the factory-supported option.
Lodge Cast Iron Griddle/Grill Reversible Pan · $
One side is a flat griddle, the other side has raised grill ridges. Sits directly on your grill grates or over a campfire. Pre-seasoned and built to last generations. A versatile accessory that adds flat-top capability to any grill.
The Lodge reversible griddle/grill pan is the most versatile cast iron accessory you can buy. Flat griddle on one side for eggs, pancakes, and smash burgers. Raised grill ridges on the other side for steaks and vegetables. It sits on top of your existing grill grates, adding flat-top capability to any grill you own. Pre-seasoned, made in the USA, and nearly indestructible.
Frequently Asked Questions
Are cast iron grill grates better than stainless steel?
Cast iron retains heat better and creates deeper sear marks. Stainless steel heats faster and resists rust without seasoning. Cast iron requires more maintenance (seasoning and oiling) but delivers superior cooking performance for searing steaks and burgers. Choose based on whether you prioritize performance or low maintenance.
How do I season cast iron grill grates?
Apply a thin coat of high-smoke-point oil (canola, avocado, or vegetable) to all surfaces. Heat the grill to 400–450°F and let the oil smoke off. Repeat two or three times. After each cook, scrape with a grill brush, apply a light oil coat, and store dry.
Will cast iron grates fit my grill?
Many cast iron grates are made to fit specific grill models (Weber, Traeger, Kamado Joe, etc.). Always check the dimensions and model compatibility before ordering. Aftermarket brands like GrillGrates offer custom sizing for virtually any grill.
For more grill upgrades, check out our best grill accessories and best grill thermometers guides.