Stanbroil L039-4-BK Adjustable Gas Grill Griddle Insert, 23.2-Inch Wide

Inch Wide: Stanbroil L039-4-BK is an adjustable griddle insert intended to turn a compatible four-burner gas grill into a flat cooking surface. Its retractable stands adjust the depth, but buyers should measure the grill’s cooking area rather than rely on the broad “universal” fit claim.

At a glance

Retractable stands adjust the griddle depth for different grill cooking areas, according to the listing.
The stated use is on most four-burner gas grills, with a recommendation to measure the cooking area before purchasing.
A grease-drain opening and side handles are described for cleanup and removal.
The coated surface is intended for flat-top foods such as burgers, fajitas, bacon, eggs and stir-fries.

Price

$71.99Save 20%

Reference price: ~~$89.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Can convert the grill’s cooking area to a flat top without adding another grill.
Adjustable depth may accommodate more than one cooking-area depth within the stated range.
A grease opening provides a defined drain path, while side handles aid removal.

Cons

The fit claim is limited to most four-burner gas grills, so compatibility depends on the grill’s actual cooking-area dimensions.
The listing says to clean with a soft sponge or damp cloth and warns against sharp cleaning tools such as steel wool.

Technical specifications

11 specifications

Identity
Brand	Stanbroil
Model	L039-4-BK

Dimensions and installation
Form factor	Rectangular
Dimensions listed	23.23"L x 16"W x 1.2"Th
Adjustable depth	16" - 19.2"
Stated grill compatibility	Fits most 4-burner gas grills such as Weber, Royal Gourmet, Cuisinart, Char-Broil, Nexgrill, Napoleon, Dyna-Glo, Monument Grills and more.

Materials and protection
Material listed	Non-stick Coating
Construction and surface claim	Heavy-duty steel construction is durable and resists warping. Healthy ceramic coated cooking surface provides excellent non-stick performance for effortless use and cleaning.
Maximum temperature setting	500 °F

Use and handling
Grease management	Large grease hole to drain grease and debris, prevent splattering and keep cooking surfaces clean.
Handles	Features side handles for easy conversion or removal from the grill.

What to know before buying

Measure the grill cooking area's depth before buying. The listing gives a 16" - 19.2" adjustable depth and an overall listed size of 23.23"L x 16"W x 1.2"Th, so confirm that the stated fit range suits your grill. The listing also describes the coating as both non-stick and ceramic-coated, without clarifying the exact coating composition.

What’s in the box

Included

Griddle

Who is it for?

A good fit for

Owners of compatible four-burner gas grills who want a flat-top cooking option for foods such as eggs, bacon, burgers or fajitas.
Buyers who can measure their grill’s cooking area and want adjustable-depth placement.

Less suited to

Owners of grills outside the stated compatibility range or whose cooking area does not fit the insert.
Anyone seeking a griddle with confirmed coating-composition details beyond the listing’s non-stick and ceramic-coated descriptions.

Stanbroil L039-4-BK Adjustable Gas Grill Griddle Insert, 23.2-Inch Wide · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 30 ratings

5 stars74%74%
4 stars4%4%
3 stars8%8%
2 stars0%0%
1 star14%14%

Aggregate ratings lean positive overall, but a noticeable one-star share means the score alone does not establish consistent satisfaction or explain customer experiences. With no written feedback supplied, there is no supported way to connect ratings to fit, coating or cooking performance. For buyers, the key practical issue remains checking grill dimensions against the stated adjustable range.

Frequently asked questions

Will this fit my gas grill?

The listing claims fit with most four-burner gas grills, but compatibility depends on your grill’s cooking-area dimensions. Measure before buying and compare them with the insert’s listed dimensions and adjustable depth.

How does the depth adjustment work?

The listing describes two retractable stands and an adjustable depth of 16" - 19.2". It advises measuring the grill’s cooking area before purchase.

How should the surface be cleaned?

The listing recommends a soft sponge or damp cloth and says not to use sharp items such as steel wool.

What is included?

The manufacturer’s included-components field lists one griddle.