Finding the right backsplash gap filler or trim kit can help seal the space between a slide-in range and the wall, keeping debris out and creating a seamless kitchen look. This guide highlights durable, heat-resistant options that fit most major brands and offer adjustable widths for a precise fit. Each product focuses on ease of installation, compatibility, and material quality to help you choose confidently for American kitchens.
| Product | Brand | Approx. Fit | Material | Notes |
|---|---|---|---|---|
| Eveanro 30″ Rear Filler Kit (Black) | Eveanro | Up to 30″ length, < 2.7" wide | Aluminum | Triangular filler to fill gaps behind slide-in ranges |
| Eveanro 30″ Rear Filler Kit + 2 Silicone Covers | Eveanro | 30″ length, 1″ or 2.25″ widths | 316 Stainless Steel | Includes silicone relief covers |
| KOZHOM 30″ Triangle Gap Filler (Black) | KOZHOM | 30″ length, any gap < 2.7" | Aluminum | Triangular shape with three widths |
| KOZYLAND 30″ Stainless Gap Filler | KOZYLAND | 30″ length, 1″ or 2-1/4″ width | Stainless Steel | Stains and corrosion resistant |
| ItsNio 30″ Gap Filler With 2 Covers (Black) | ItsNio | 30″ length, 2-1/4″ or 1″ width | Stainless Steel | Includes two gap covers |
Eveanro 30″ Rear Filler Kit W10113901A (Black)

The 30″ slide-in range rear filler kit is designed to fill the gap behind slide-in ranges with no bulky backguard. The triangular filler fits a range of brands including Whirlpool, Samsung, Kitchenaid, Frigidaire, and GE. It replaces several common part numbers and helps prevent food and debris from collecting in hard-to-clean spaces. This model is made from durable aluminum with adjustable widths to suit gaps under 2.7 inches wide and up to 30 inches long.
Eveanro 30″ Rear Filler Kit With 2 Silicone Covers (316 Stainless Black)

This version extends the basic gap filler with two silicone stove gap covers, offering additional protection against spills in the gap behind the slide-in range. It supports gaps of 30″ in length and 1″ or 2-1/4″ in width. It is compatible with Whirlpool, Samsung, Kitchenaid, Frigidaire, GE, and other major brands, and replaces standard filler parts for a versatile upgrade.
KOZHOM 30″ Triangle Gap Filler (Black)

KOZHOM offers a premium aluminum gap filler in a universal triangle shape, with three widths to match a variety of gaps. It is heat resistant and designed for easy cleaning. It fits most major brands when the gap is less than 2.7 inches wide and up to 30 inches long, providing a clean, built-in look between the stove and wall.
KOZYLAND 30″ Stainless Gap Filler

KOZYLAND’s stainless steel filler is designed for durability in busy kitchens. It fills 30″ gaps with options for 1″ or 2-1/4″ widths, offering corrosion resistance and a sleek, integrated appearance between stove and wall. This model emphasizes robust construction and straightforward installation for slide-in ranges.
ItsNio 30″ Gap Filler (Black) With 2 Covers

This ItsNio model provides a black stainless appearance and includes two stove gap covers. It supports 30″ lengths with 2-1/4″ or 1″ widths. It is designed for slide-in models only and helps create a seamless transition between the stove and wall, while simplifying cleaning and maintenance.
Buying Guide
Key considerations help ensure you pick the right filler or trim kit for a slide-in range.
- Fit and dimensions: Measure the gap between the wall and the stove to confirm length (30″) and width (< 2.7" or specific options like 1" or 2-1/4").
- Compatibility: Verify compatibility with your stove brand (Whirlpool, Samsung, Kitchenaid, Frigidaire, GE, etc.) and that the kit is suitable for slide-in models with or without backguards.
- Material and durability: Aluminum options are lightweight and heat resistant; stainless steel variants offer higher corrosion and stain resistance for busy kitchens.
- Finish and aesthetics: Choose a color (silver, black) and finish that match your appliance and backsplash for a cohesive look.
- Installation ease: Look for kits with simple, tool-free or minimal-step installation and included brackets or covers if included in the package.
- Maintenance: Non-porous surfaces and cleanable edges reduce buildup in food-prone gaps; consider laser-cut edges for safe handling.
- Price-to-value: Compare included features such as silicone covers, extra widths, or multi-piece options to determine best value for your kitchen.
- Warranty and support: Check for manufacturer support and whether replacements or parts are readily available if needed in the future.
These selections offer a range of materials, widths, and configurations to fit most slide-in ranges and backguard setups. When choosing, prioritize a precise fit, durable materials, and a finish that complements your kitchen design for a clean, low-maintenance transition between stove and wall.