---
product_id: 67763515
title: "Beam Lighting 42-3/8” L-Shape Under Cabinet Light Cover Replacement | White Ribbed Acrylic Diffuser | 42-3/8” Length x 2-7/8” Width x 1” Height"
brand: "beam lighting plastics your diffuser source"
price: "41349CFA"
currency: XOF
in_stock: true
reviews_count: 8
url: https://www.desertcart.sn/products/67763515-beam-lighting-42-3-8-l-shape-under-cabinet-light
store_origin: SN
region: Senegal
---

# Ribbed diffuser for max light spread 42.38-inch precision length UV-stabilized non-yellowing acrylic Beam Lighting 42-3/8” L-Shape Under Cabinet Light Cover Replacement | White Ribbed Acrylic Diffuser | 42-3/8” Length x 2-7/8” Width x 1” Height

**Brand:** beam lighting plastics your diffuser source
**Price:** 41349CFA
**Availability:** ✅ In Stock

## Summary

> 💡 Illuminate your space with clarity and style—don’t let dull lighting hold you back!

## Quick Answers

- **What is this?** Beam Lighting 42-3/8” L-Shape Under Cabinet Light Cover Replacement | White Ribbed Acrylic Diffuser | 42-3/8” Length x 2-7/8” Width x 1” Height by beam lighting plastics your diffuser source
- **How much does it cost?** 41349CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/67763515-beam-lighting-42-3-8-l-shape-under-cabinet-light)

## Best For

- beam lighting plastics your diffuser source enthusiasts

## Why This Product

- Trusted beam lighting plastics your diffuser source brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Diffuse Like a Pro:** Linear ribbed texture ensures even, glare-free illumination for a sleek, professional ambiance.
- • **Snap-In Simplicity:** Easy installation with a secure snap-in design—upgrade your lighting without hassle or tools.
- • **Proudly American Made:** Crafted in the USA to exacting standards, outperforming cheap imports in durability and style.
- • **Crystal Clear Longevity:** Made from 100% UV-stabilized acrylic that resists yellowing, keeping your lighting crisp and modern.
- • **Perfect Fit, Every Time:** Specifically designed for 42-3/8 inch under cabinet fluorescent fixtures, including Lithonia models.

## Overview

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.

## Description

Beam Lighting 42-3/8” L-Shape Under Cabinet Light Cover Replacement | White Ribbed Acrylic Diffuser | 42-3/8” Length x 2-7/8” Width x 1” Height

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |

## Product Details

- **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

## Images

![Beam Lighting 42-3/8” L-Shape Under Cabinet Light Cover Replacement | White Ribbed Acrylic Diffuser | 42-3/8” Length x 2-7/8” Width x 1” Height - Image 1](https://m.media-amazon.com/images/I/61jwIQ3EOHL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits my 18 year old 42" undercounter light perfectly
*by J***A on February 26, 2025*

The old cover was warped by a toaster. Upgraded to LED bulbs and it is better than new.

### ⭐⭐⭐⭐⭐ Perfect replacement part
*by J***5 on October 2, 2024*

Quick delivery and perfect replacement part for a cracked diffuser we needed for our under mount cabinet lights. Well packaged and looks great!

### ⭐⭐⭐⭐⭐ So Happy!
*by L***T on November 6, 2024*

Super that I found this and it fit perfect!

## Frequently Bought Together

- Beam Lighting 42-3/8” L-Shape Under Cabinet Light Cover Replacement | White Ribbed Acrylic Diffuser | 42-3/8” Length x 2-7/8” Width x 1” Height
- Beam Lighting Under Cabinet Light Cover Replacement | White Ribbed Acrylic Diffuser (L-Shaped, 33")
- (6 Pack) F13T5/CW - T5 Fluorescent 4100K Cool White - 21" Linear - 13 Watt T5 - Under The Counter Light Bulbs

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sn/products/67763515-beam-lighting-42-3-8-l-shape-under-cabinet-light](https://www.desertcart.sn/products/67763515-beam-lighting-42-3-8-l-shape-under-cabinet-light)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-28*