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Collection: Retrofit LED Can Lights (Bulb Replacements)

Retrofit LED can lights — also called recessed light conversion kits — screw directly into your existing housing socket to replace the old bulb and trim in one step. Shop 4-inch and 6-inch retrofit kits for fast, tool-free upgrades to any existing recessed can.

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SATCO|NUVO - Starfish 4" LED Smart Retrofit Downlight, 8W, 650lm, RGB, Round Smooth Trim | Bees Lighting
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SATCO|NUVO

Satco Starfish S11638 4 in. Round Downlight 8W 650 Lumens Selectable CCT Wet Rated

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Sale price $27.16 Regular price $33.95
Satco|Nuvo Starfish LED Smart Retrofit Downlight - Bees Lighting

SATCO|NUVO

Satco Starfish S11568 4 in. Round Retrofit Downlight 11W 650 Lumens Tunable White RGB

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Sale price $23.96 Regular price $29.95
Satco|Nuvo Starfish LED Smart Retrofit Downlight - Bees Lighting

SATCO|NUVO

Satco Starfish S11570 6 in. Retrofit Downlight 13W 850 Lumens Tunable White RGB

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Sale price $25.56 Regular price $31.95
Satco|Nuvo Starfish LED Smart Retrofit Downlight - Bees Lighting

SATCO|NUVO

Satco Starfish S11571 6 in. Square Retrofit Downlight 13W 850 Lumens RGB Tunable White

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Sale price $27.16 Regular price $33.95

A retrofit LED can light, often called a recessed light conversion kit, is an all-in-one LED module designed to install directly into your existing recessed housings. This is the most cost-effective way of upgrading your recessed lightingreplacing recessed can lights and their inefficient bulbs with a single, energy-efficient LED unit that replaces both the old trim and the bulb.

Project Matcher: Is a Retrofit Kit Right for You?

  • I have an old bulb/trim to replace: You need Retrofit LED Can Lights (screw-in modules for existing cans).
  • I have an empty hole (New Build): You need New Construction Housings.
  • I have shallow ceilings or obstructions: You need Canless Wafer Lights.

Benefits of a Retrofit LED Can Lights Upgrade

Upgrading to a retrofit LED can lights system offers immediate, noticeable benefits:

  • Massive Energy Savings: Instantly reduce your lighting energy consumption by up to 80% by replacing hot-burning incandescent or halogen bulbs with an integrated LED that lasts for 25,000-50,000 hours.
  • Modern, Seamless Look: An LED can light replacement provides a clean, updated look. The all-in-one trim and baffle cover the old can's interior, eliminating gaps and creating a modern, high-end appearance.
  • Superior Light Quality: Get instant-on, flicker-free light. Unlike old bulbs, a retrofit recessed lighting kit allows you to choose the exact color temperature you want, from a warm, cozy glow to a crisp, productive daylight.

Choosing the Right Size & Style for Can Lights

  • 6-Inch (Standard): The most common size for general illumination in living rooms and kitchens.
  • 4-Inch (Task): Perfect for focused lighting over counters or in smaller bathrooms.
  • Gimbal Retrofits: Choose an adjustable kit to direct light toward artwork or to compensate for sloped ceilings.

Recessed Lighting Color Temperature Guide

Choosing the right Kelvin (K) rating ensures your replacement light provides the proper atmosphere and prevents the room from looking "too yellow" or "too blue".


3000K (Soft White) 4000K (Cool White) 5000K (Daylight)
Light Appearance Warm Yellow Glow Clean Neutral White Bright Bluish-White
Best Applications Living Rooms, Bedrooms, and Dining Areas Kitchens, Bathrooms, and Home Offices Garages, Basements, and Utility Rooms
Atmosphere Warm, cozy, and relaxing Clean, neutral, and productive Bright, crisp, and high-visibility

How a Can Light Conversion Kit Works

Installation is simple, requires no special tools, and can be done in minutes:

  1. Remove Old Trim: Pull down your existing trim and remove the old lightbulb.
  2. Screw in Adapter: Most recessed light LED replacement kits come with a standard E26 (screw-in) adapter. Simply screw this adapter into the socket inside the can.
  3. Connect & Install: Plug the adapter's wire into the new LED retrofit trim. Squeeze the torsion springs together, slide the unit into the can, and push it up until the trim is flush with the ceiling. The springs will hold it securely in place.

Find Your Recessed Light Conversion Kit

Don't put up with old, inefficient lighting. Upgrading is fast and easy with our full selection of recessed lighting and retrofit recessed lighting kits. We carry all common sizes, including 4-inch and 6-inch, to fit your existing housings. If you're unsure which LED can light replacement is right for you, call our experts at 855-303-0665.

Frequently Asked Questions

How do I know what size retrofit kit I need?

The size (e.g., 4-inch, 6-inch) refers to the diameter of your existing can housing. Measure the inside opening of the can from one edge to the other. A 6-inch can is the most common size found in homes, but it's always best to measure before ordering your LED can light replacement.

Measure the inside diameter of your existing can housing. A 6-inch can is the standard for most homes, while 4-inch cans are common in modern task lighting.

Does a retrofit kit include the trim?

Yes. A retrofit led can lights kit is an all-in-one unit where the LED light and the trim are integrated. It's designed to completely replace and cover your old trim, giving your ceiling a clean, new look.

Yes. A recessed light LED replacement is an integrated unit where the LED and trim are one piece, designed to completely cover the old housing interior.

Are retrofit kits hard to install?

No, they are one of the easiest lighting upgrades. Most use a standard screw-in adapter and torsion springs. If you can change a lightbulb, you can install a recessed light conversion kit.

No, they are one of the easiest lighting upgrades. Most use a standard screw-in adapter and torsion springs. If you can change a lightbulb, you can install a recessed light conversion kit.

Are these conversion kits dimmable?

Yes, nearly all modern retrofit recessed lighting kits are dimmable with compatible LED dimmers (sold separately). Always check the product's specifications to ensure compatibility with your dimmer switch.

Most modern kits are dimmable when paired with a compatible LED dimmer switch.

Can I use any LED trim with any recessed can housing?

Not always. You must match the size (e.g., a 6-inch trim with a 6-inch can). More importantly, you must match the connection type. Most modern recessed can lights and trims use torsion springs (V-shaped springs) to hold the trim in place. Older cans might use "C" clips. It's always best to check your existing housing to ensure the new trim is compatible.

Not always. You must match the size (e.g., a 6-inch trim with a 6-inch can). More importantly, you must match the connection type. Most modern recessed can lights and trims use torsion springs (V-shaped springs) to hold the trim in place. Older cans might use "C" clips. It's always best to check your existing housing to ensure the new trim is compatible.

Can I replace a can light with a wafer light?

No. Wafer lights mount directly to drywall. To upgrade an existing can, you must use a Retrofit LED Downlight that screws into the existing socket.

Do I need to remove my old housing to install a retrofit?

No. Retrofit kits are specifically designed to utilize the existing metal housing already installed in your ceiling.

Can I use a retrofit kit in a sloped ceiling?

Yes, but you should look specifically for gimbal retrofit kits. While a standard flat retrofit will point light at an angle following the roof pitch, a gimbal kit allows you to pivot the internal light module to shine straight down, effectively compensating for the slope. For a complete breakdown on choosing the right fixtures and calculating placement, see our guide: How to Light a Sloped Ceiling.

What is the difference between "E26" and "GU24" connectors in retrofit kits?

These refer to the socket type inside your existing can. An E26 is the standard "medium" screw-in base found in most traditional can lights. A GU24 is a two-pin "twist-and-lock" base often found in areas with stricter energy codes. Most recessed light conversion kits come with the E26 adapter, but GU24 adapters are also available for newer housings.

Can I install retrofit LED lights in a bathroom or shower?

Yes, as long as the fixture is wet-rated. Many of our recessed light LED replacement modules are specifically engineered for high-moisture environments. Always check the product specifications to ensure the kit is "Wet Location" or "Shower Rated" before installing it directly above a tub or shower to ensure a safe and long-lasting installation.

Recessed Lighting Guides & How-To Articles

How to Light a Sloped Ceiling (Without Lighting the Wrong Wall)

How to Light a Sloped Ceiling (Without Lighting the Wrong Wall)

Learn the two professional solutions—adjustable gimbals and sloped ceiling trims—to aim the light correctly and get a beautiful, functional result.

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Canless vs. Can Lights: Why Canless is the New Standard for 2026

Canless vs. Can Lights: Which Recessed Light Do You Actually Need?

Choosing between canless wafer lights and traditional can lights doesn't have to be complicated. Here's the straightforward breakdown of when to use each — and why canless has become the go-to for most new projects.

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The Ultimate 2026 Recessed Lighting Buying Guide: How to Choose Like a Pro

The Ultimate 2026 Recessed Lighting Buying Guide: How to Choose Like a Pro

Selecting recessed lighting—often called "can lights" or "downlights"—is one of the most impactful decisions you will make for your home or project.

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