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Cast Iron Grates

Expert Picks for January 2026

Best Cast Iron Grates

Upgrade from those thin stock grates. We compared cast iron grill grates for sear marks, heat retention, and whether the maintenance is worth the steakhouse results.

Last updated: January 28, 2026
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Best Overall
Cast Iron Cooking Grates for Spirit

Weber

Cast Iron Cooking Grates for Spirit

4.7 (12,345 reviews)

The upgrade that transforms your Spirit grill. Those thin stock grates cant hold heat like cast iron. Steakhouse sear marks are finally possible.

Fits

Spirit 300 series

Material

Porcelain-enameled cast iron

Coverage

2 grates

Features

Pre-seasoned

Pros

  • βœ“ Weber precision fit
  • βœ“ Superior heat retention
  • βœ“ Restaurant sear marks

Cons

  • βœ— Specific to Spirit grills
  • βœ— Premium price
  • βœ— Heavy

Head-to-Head Comparison

ProductRatingPrice Action
Cast Iron Cooking Grates for Spirit
Cast Iron Cooking Grates for Spirit Best
Weber
4.7
$100 View
GrillGrate Panels
GrillGrate Panels
GrillGrate
4.6
$150 View
Universal Cast Iron Grate
Universal Cast Iron Grate Value
Char-Broil
4.4
$40 View
Sportsmans Pro Grill Grate
Sportsmans Pro Grill Grate
Lodge
4.6
$50 View
Cast Iron Grates for Genesis
Cast Iron Grates for Genesis
Weber
4.7
$90 View

* Prices may vary. As an Amazon Associate, we earn from qualifying purchases.

All Recommended Products

Best Overall
Cast Iron Cooking Grates for Spirit

Weber

Cast Iron Cooking Grates for Spirit

4.7 (12,345 reviews)

The upgrade that transforms your Spirit grill. Those thin stock grates cant hold heat like cast iron. Steakhouse sear marks are finally possible.

Fits

Spirit 300 series

Material

Porcelain-enameled cast iron

Coverage

2 grates

Features

Pre-seasoned

Pros

  • βœ“ Weber precision fit
  • βœ“ Superior heat retention
  • βœ“ Restaurant sear marks

Cons

  • βœ— Specific to Spirit grills
  • βœ— Premium price
  • βœ— Heavy
Premium Pick
GrillGrate Panels

GrillGrate

GrillGrate Panels

4.6 (8,765 reviews)

Not cast iron, but the cult favorite. Raised rails sear while valleys collect juices, preventing flare-ups.

Material

Hard-anodized aluminum

Design

Raised rail

Features

Reduces flare-ups

Fit

Universal

Pros

  • βœ“ Hard-anodized aluminum
  • βœ“ Eliminates flare-ups
  • βœ“ Raised rails for searing

Cons

  • βœ— Expensive
  • βœ— Different cooking style
  • βœ— Not traditional cast iron
Best Value
Universal Cast Iron Grate

Char-Broil

Universal Cast Iron Grate

4.4 (23,456 reviews)

Affordable cast iron upgrade for budget grills. May need adjustment to fit. Requires seasoning and maintenance.

Material

Cast iron

Size

18" x 13"

Fit

Universal (adjustable)

Coating

None

Pros

  • βœ“ Budget friendly
  • βœ“ Universal fit
  • βœ“ Cast iron heat retention

Cons

  • βœ— Requires seasoning
  • βœ— May need trimming
  • βœ— Can rust
Sportsmans Pro Grill Grate

Lodge

Sportsmans Pro Grill Grate

4.6 (5,678 reviews)

Lodge cast iron applied to grilling. Pre-seasoned and built to last generations. Works on grills or campfires.

Material

Cast iron

Size

16" x 10"

Features

Pre-seasoned

Origin

USA

Pros

  • βœ“ Lodge quality
  • βœ“ Pre-seasoned
  • βœ“ American made

Cons

  • βœ— Not grill-specific
  • βœ— Heavy
  • βœ— Limited sizing
Budget Pick
Cast Iron Grates for Genesis

Weber

Cast Iron Grates for Genesis

4.7 (9,876 reviews)

The upgrade your Genesis deserves. Porcelain enamel means no seasoning required while delivering cast irons heat retention.

Fits

Genesis II 300/400

Material

Porcelain-enameled cast iron

Coverage

2 grates

Features

Ready to use

Pros

  • βœ“ Weber precision fit
  • βœ“ Porcelain-enameled
  • βœ“ No seasoning needed

Cons

  • βœ— Genesis-specific
  • βœ— Premium price
  • βœ— Heavy

Buying Guide: How to Choose Cast Iron Grates

How to Choose Cast Iron Grill Grates

Why Upgrade to Cast Iron?
Stock grates lose heat when cold meat hits them. Cast iron retains heat, maintaining temperature for true sear marks.

### Material Options
Raw Cast Iron: Maximum heat retention, requires seasoning. Porcelain-Enameled: No seasoning needed, rust-resistant.

Frequently Asked Questions About Cast Iron Grates

Are cast iron grates worth the upgrade?

If you want better sear marks and heat retention, yes. The difference is immediately noticeable on steaks.

Do I need to season cast iron grill grates?

Porcelain-enameled: no. Raw cast iron: yes, similar to seasoning a cast iron pan.

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