Direct answer: These over-the-range microwave filler kits fill cabinet gaps, improve aesthetics, and protect from dust. They’re ideal for homeowners upgrading a slim microwave or filling uneven cabinet spaces. Best uses include kitchens with 30″ or 36″ wide microwaves installed in larger openings, and for those seeking a stainless or black finish that matches their appliance. The top picks below are selected for fit variety, material durability, and easy installation.
Summary at a glance:
| Product | Finish | Best For | Notable |
|---|---|---|---|
| Microwave Filler Kit 2.95” Wide Stainless Steel | Stainless | Match stainless appliances; 30″ or 36″ openings | Universal fit; includes 2.95” filler width |
| Microwave Filler Kit 2.95”W Stainless Steel | Stainless | Classic stainless kitchen; universal fit | Replacement for 8171339; 15.75″H x 10.75″D |
| 8171339 Microwave Trim Kit | Stainless | Wide compatibility; varied brands | 16 screws included; measure first |
| 2 Pieces Stainless Steel Trim Kit 3″ Wide | Stainless | Two-piece sets for easy install | Includes 16 screws; rust-resistant |
| 2 Pieces Stainless Steel Trim Kit 3″ Wide (Black) | Black | Black-finished kitchen look | Two-piece; 16 screws; durable |
| Microwave Filler Kit 2.95”W Black | Black | Black appliances; 30″ to 36″ openings | Universal fit; 2.95” width |
Microwave Filler Kit 2.95” Wide Stainless Steel
This stainless steel filler kit is designed to cover gaps when the over-the-range microwave sits smaller than the cabinet opening. Best for 30″ or 36″ wide configurations with a 36″ or 42″ cabinet respectively. The stainless finish blends with most stainless microwaves, reducing visual distraction. Best for homeowners seeking a seamless stainless look and simple installation.
- Best for: matching stainless appliances and filling standard 30″ to 36″ openings
- Why chosen: even finish and universal fit
- Caution: ensure precise width alignment to avoid visible gaps
Microwave Filler Kit 2.95”W Stainless Steel (Whirlpool 8171339 Replacement)
Designed as a universal kit that fits a range of brands, this stainless filler is ideal for filling the gap around an over-the-range microwave in 30″ or 36″ openings. It’s a practical upgrade for kitchens updating cabinets or replacing an older trim kit. It replaces the 8171339 model and provides a clean line with a stainless finish.
- Best for: universal compatibility across major brands
- Why chosen: consistent stainless look, easy cut-to-fit if needed
- Caution: verify your cabinet opening width before purchase
8171339 Microwave Trim Kit Fits Over The Range
This universal filler kit fills gaps around over-the-range microwaves and is compatible with Panasonic, Whirlpool, GE, and LG. It measures 15.75″ long by 10.83″ wide and 2.95″ high, with screws included for installation. Best for homes needing a widely compatible solution to achieve a clean, dust-free kitchen aesthetic.
- Best for: multiple-brand kitchens needing a flexible trim solution
- Why chosen: includes mounting screws and straightforward fit
- Caution: measure carefully to ensure a correct fit in your cabinet opening
2 Pieces Stainless Steel Trim Kit 3” Wide (Silver)
This 2-piece stainless steel trim kit includes screws for quick installation. It’s designed to hide unsightly gaps under cabinets and works well with many built-in microwaves. The stainless steel finish provides a neutral chrome-like appearance that blends with most stainless appliances.
- Best for: quick, two-piece coverage in 15.75″ H x 11″ D openings
- Why chosen: dual-piece design for stable alignment
- Caution: ensure cabinet depth supports the chosen 11″ depth
2 Pieces Stainless Steel Trim Kit 3″ Wide (Black)
This black-finish trim kit provides a sleek contrast for kitchens with darker appliances. It includes two stainless panels with screws for easy mounting and is compatible with a 30″ to 36″ microwave in a 36″ to 42″ cabinet opening. Choose this if you want a non-glossy, modern look.
- Best for: black or dark stainless kitchen themes
- Why chosen: two-piece design helps with alignment
- Caution: black finish may show fingerprints more than brushed stainless
Microwave Filler Kit 2.95”W Black
This black-coated steel filler kit blends with black microwaves and provides a clean, uninterrupted line around the appliance. It’s designed for 30″ or 36″ openings. The kit is visually unobtrusive and helps prevent dust collection in the cabinet gap.
- Best for: black-matched kitchen installations
- Why chosen: stealthy, stylish finish
- Caution: confirm exact cabinet width to ensure a snug fit
Universal Black Microwave Trim Kit
This universal black trim kit fills gaps for built-in microwaves with a 15.75″ depth and 10.75″ height. It’s designed to fit 30″ or 36″ openings in a 42″ cabinet with a 2.95″ width. Best for achieving a cohesive black-on-black appliance look.)
Buying Guide
What to consider when selecting an over-the-range microwave filler kit:
- Opening width and microwave size: Confirm the cabinet opening and microwave width (30″, 36″ standard) to choose a kit with the correct depth and height.
- Finish and styling: Align with your appliance finish (stainless, black, or black-coated stainless) for a cohesive look.
- Installation effort: Look for kits that come with screws and simple mounting guidelines for quick setup.
- Fit stability: Choose kits with two-piece designs or adjustable widths if your cabinet opening is slightly irregular.
- Dust and cleanliness: A tight seal around the microwave helps limit dust collection in the gap.
- Brand compatibility: For multi-brand kitchens, a universal trim kit can offer broad compatibility.
FAQ
- What is a microwave filler kit? A filler kit covers the gap between the microwave and cabinet, improving aesthetics and reducing dust collection.
- How do I know if a kit fits my microwave? Measure your cabinet opening (width and height) and compare to the kit’s dimensions (width, height, and depth).
- Can filler kits be used with any brand? Many are universal, but always check compatibility notes and screw counts.
- Do filler kits require professional installation? They are designed for DIY installation in most cases, using included screws and simple alignment.
- Will filler kits affect appliance warranty? Generally no, but confirm with your appliance manufacturer’s guidelines.
- Are black finishes harder to maintain than stainless? Black coatings can show fingerprints more than brushed stainless; regular wiping helps maintain appearance.