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💡 Illuminate your space with clarity and style—don’t let dull lighting hold you back!
The Beam Lighting 42-3/8” L-Shape Under Cabinet Light Cover Replacement is a high-quality, American-made white ribbed acrylic diffuser designed to fit 42-inch fluorescent under cabinet fixtures. Its UV-stabilized, non-yellowing material ensures long-lasting clarity, while the ribbed design maximizes light diffusion for a modern, glare-free finish. Easy snap-in installation makes it a perfect upgrade for professionals seeking both function and style.
| Brand | BEAM Lighting Plastics Your Diffuser Source |
| Color | White |
| Material | Polyacrylate |
| Shape | Corner |
| Product Dimensions | 42.38"W x 1"H |
| Finish Type | Linear Ribbed |
| Style | Modern |
| Mounting Type | Under Cabinet |
| Pattern | Solid |
| Number of Items | 1 |
| Number of Pieces | 1 |
| Top Width | 2.86 Inches |
| Base Width | 1 Inches |
| Assembly Required | Yes |
| Manufacturer | BEAM Lighting Plastics Your Diffuser Source |
| Part Number | UCL4-4238 |
| Item Weight | 5.6 ounces |
| Item model number | UCL4-4238 |
| Is Discontinued By Manufacturer | No |
| Finish | Linear Ribbed |
| Power Source | DC |
| Installation Method | Snap in |
| Item Package Quantity | 1 |
| Type of Bulb | Fluorescent |
| Plug Format | A- US style |
| Usage | Cabinet |
| Batteries Included? | No |
| Batteries Required? | No |
J**A
Fits my 18 year old 42" undercounter light perfectly
The old cover was warped by a toaster. Upgraded to LED bulbs and it is better than new.
J**5
Perfect replacement part
Quick delivery and perfect replacement part for a cracked diffuser we needed for our under mount cabinet lights. Well packaged and looks great!
L**T
So Happy!
Super that I found this and it fit perfect!
T**N
Perfect replacement
This part was a perfect replacement for the original part. Easy installation, problem solved.
A**L
trash
To fragile, broke on installation
S**E
Product FINALLY arrived in 1 piece. 3rd try!!!!
Product arrived damaged/broken. Was correct item and arrived quickly!
K**C
These undercabinet light covers were exactly what I was looking for!
My house is just over 20 years old. These light covers are difficult to find. They are exactly what I was looking for. Easy to measure and install. They were delivered within a day to less than a week -- based on size. I would highly recommend Beam Lighting!
B**E
Perfect Replacement
I worried I would be unable to find a replacement cover for a 40 year old fixture. This was a perfect fit, identical to the original. First one sent arrived with a crack; it was promptly replaced with no hassle
Trustpilot
4 days ago
1 month ago