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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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76 products

RAB Lighting - 6" R34X Field-Adjustable LED Retrofit Downlight, 1300 Lm, 5-CCT, Smooth Trim | Bees Lighting
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RAB Lighting

RAB R34X-6 6 in Smooth Retrofit LED Downlight 14/11/7.5W Selectable CCT & Lumen White

Regular price $15.50
Sale price Regular price $0.00
SATCO|NUVO - PRO Series LED Retrofit Downlight | Bees Lighting

SATCO|NUVO

SATCO S11897 6 in Round Regressed Wafer LED Downlight Retrofit 9-13W Selectable CCT 120V White

Regular price $17.95
Sale price Regular price $0.00
White 4 in wafer retrofit downlight with baffle trim and spring mounting brackets
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RAB Lighting

RAB WFRETRO34-4B 4 in Baffle Retrofit Wafer Downlight 8W Selectable CCT White

Regular price $10.00
Sale price Regular price $0.00
SATCO|NUVO - PRO Series LED Retrofit Downlight | Bees Lighting

SATCO|NUVO

SATCO S11895 4 in Round Regressed Wafer LED Downlight Retrofit 6.5-9.3W Selectable CCT 120V White

Regular price $14.95
Sale price Regular price $0.00
White gimbal retrofit downlight with round trim and spring mounting clips
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RAB Lighting

RAB RA6R119FA120WS 6 in Round Gimbal Retrofit Downlight 11W Selectable CCT White

Regular price $18.60
Sale price Regular price $0.00
Satco|Nuvo 6" Stepped Baffle LED Retrofit Downlight - Bees Lighting
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SATCO|NUVO

SATCO S11836R1 5/6 in Round LED Retrofit Downlight ColorQuick 5-CCT 9W 120V Brushed Nickel Steel

Regular price $17.95
Sale price Regular price $0.00
Black LED retrofit downlight with adjustable trim opening and mounting spring arms
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RAB Lighting

RAB R34X-6-B 6 in Smooth Retrofit LED Downlight 14/11/7.5W Selectable CCT & Lumen Black

Regular price $15.50
Sale price Regular price $0.00
Satco|Nuvo 4" Stepped Baffle LED Retrofit Downlight - Bees Lighting
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SATCO|NUVO

SATCO S11832R1 4 in Round LED Retrofit Downlight ColorQuick 5-CCT 6.7W 120V Black Steel

Regular price $14.95
Sale price Regular price $0.00
Round retrofit LED can light with smooth baffle, white housing and trim.
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RAB Lighting

RAB R34-6-HW 6 in Round Smooth Retrofit Downlight Selectable CCT 120V Haze White

Regular price $10.00
Sale price Regular price $0.00
SATCO|NUVO - Plus Series LED Retrofit Downlight | Bees Lighting

SATCO|NUVO

SATCO S11891 4 in Round Regressed Wafer LED Downlight Retrofit 8W Selectable CCT 120V White

Regular price $11.95
Sale price Regular price $0.00
RAB CCT-Adjustable Gimbal Retrofit Downlight - Bees Lighting
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RAB Lighting

RAB RA6R109FA120WS 6 in Round Gimbal Retrofit Downlight 10W Selectable CCT White

Regular price $17.20
Sale price Regular price $0.00
SATCO|NUVO - Starfish 6" LED Smart Retrofit Downlight, 11W, 900lm, RGB, Round Smooth Trim | Bees Lighting
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SATCO|NUVO

Satco Starfish S11639 6 in. Round Downlight 11W 900 Lumens Selectable CCT Wet Rated

Regular price $35.95
Sale price Regular price $0.00
Black LED retrofit downlight with recessed circular aperture and adjustable trim ring
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RAB Lighting

RAB R34X-6B-B 6 in Baffle Retrofit LED Downlight 14/11/7.5W Selectable CCT & Lumen Black

Regular price $15.50
Sale price Regular price $0.00
RAB Lighting - RAB R34X Field-Adjustable LED Retrofit Downlight | Bees Lighting
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RAB Lighting

RAB R34X-6B 6 in Baffle Retrofit LED Downlight 14/11/7.5W Selectable CCT & Lumen White

Regular price $15.50
Sale price Regular price $0.00
R34 6" Retrofit LED Can Light - Bees Lighting
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RAB Lighting

RAB R34S-6 6 in Square Smooth Retrofit Downlight 10W Selectable CCT 120V White

Regular price $10.90
Sale price Regular price $0.00
Black baffle wafer downlight with circular lens and four mounting spring clips
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RAB Lighting

RAB WFRETRO34-6B-B 6 in Baffle Retrofit Wafer Downlight 11W Selectable CCT Black

Regular price $14.30
Sale price Regular price $0.00
Black LED retrofit downlight with adjustable trim ring and metal mounting tabs
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RAB Lighting

RAB R34X-4B-B 4 in Baffle Retrofit LED Downlight 7/6/5W Selectable CCT & Lumen Black

Regular price $12.30
Sale price Regular price $0.00
Round retrofit LED can light with smooth baffle, black housing and trim.
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RAB Lighting

RAB R34-6B-K 6 in Round Baffle Retrofit Downlight Selectable CCT 120V Black

Regular price $10.00
Sale price Regular price $0.00
Black square retrofit downlight with smooth baffle trim and mounting springs
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RAB Lighting

RAB R34S-6B-B 6 in Square Baffle Retrofit Downlight 9W Selectable CCT 120V Black

Regular price $10.90
Sale price Regular price $0.00
RAB Lighting - 4" R34X Field-Adjustable LED Retrofit Downlight, 700 Lm, 5-CCT, Baffle Trim | Bees Lighting
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RAB Lighting

RAB R34X-4B 4 in Baffle Retrofit LED Downlight 7/6/5W Selectable CCT & Lumen White

Regular price $12.30
Sale price Regular price $0.00
Black recessed gimbal retrofit downlight with round bezel and integrated lamp ring
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RAB Lighting

RAB RA4R89FA120BS 4 in Round Gimbal Retrofit Downlight 8W Selectable CCT Black

Regular price $17.20
Sale price Regular price $0.00
R34 4" Retrofit LED Can Light - Bees Lighting
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RAB Lighting

RAB R34S-4 4 in Square Smooth Retrofit Downlight 7W Selectable CCT 120V White

Regular price $10.90
Sale price Regular price $0.00
Black LED retrofit downlight with adjustable trim ring and spring mounting clips
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RAB Lighting

RAB R34X-4-B 4 in Smooth Retrofit LED Downlight 7/6/5W Selectable CCT & Lumen Black

Regular price $12.30
Sale price Regular price $0.00
Black 6 in smooth retrofit wafer downlight with round bezel and frosted lens
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RAB Lighting

RAB WFRETRO34-6-B 6 in Smooth Retrofit Wafer Downlight 11W Selectable CCT Black

Regular price $14.30
Sale price Regular price $0.00
R34 6" Retrofit LED Can Light - Bees Lighting
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RAB Lighting

RAB R34S-6B 6 in Square Baffle Retrofit Downlight 10W Selectable CCT 120V White

Regular price $10.90
Sale price Regular price $0.00
Black baffle wafer downlight with recessed trim and white diffuser lens
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RAB Lighting

RAB WFRETRO34-4B-B 4 in Baffle Retrofit Wafer Downlight 8W Selectable CCT Black

Regular price $11.50
Sale price Regular price $0.00
Black square retrofit downlight with smooth baffle trim
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RAB Lighting

RAB R34S-4-B 4 in Square Smooth Retrofit Downlight 6W Selectable CCT 120V Black

Regular price $10.90
Sale price Regular price $0.00
Black square retrofit downlight with baffle grille trim
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RAB Lighting

RAB R34S-4B-B 4 in Square Baffle Retrofit Downlight 6W Selectable CCT 120V Black

Regular price $10.90
Sale price Regular price $0.00
Black smooth retrofit wafer downlight with round trim and two mounting springs
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RAB Lighting

RAB WFRETRO34-4-B 4 in Smooth Retrofit Wafer Downlight 8W Selectable CCT Black

Regular price $11.50
Sale price Regular price $0.00
Round retrofit LED can light, black trim with internal spring mounting clips.
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RAB Lighting

RAB R34-4B-K 4 in Round Baffle Retrofit Downlight Selectable CCT 120V Black

Regular price $10.00
Sale price Regular price $0.00
Round retrofit LED can light, black trim with internal spring mounting clips.
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RAB Lighting

RAB R34-4-K 4 in Round Smooth Retrofit Downlight Selectable CCT 120V Black

Regular price $10.00
Sale price Regular price $0.00
White 6 in round retrofit downlight with smooth trim and wire leads
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RAB Lighting

RAB R34-6/BP 6 in Round Smooth Retrofit Downlight Selectable CCT 120V White 12-Pack

Regular price $8.60
Sale price Regular price $0.00
White 4 in round retrofit downlight with baffle trim and two mounting clips
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RAB Lighting

RAB R34-4B/BP 4 in Round Baffle Retrofit Downlight Selectable CCT 120V White 12-Pack

Regular price $8.60
Sale price Regular price $0.00
4 in round white smooth retrofit downlight with trim and mounting clips
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RAB Lighting

RAB R34-4/BP 4 in Round Smooth Retrofit Downlight Selectable CCT 120V White 12-Pack

Regular price $8.60
Sale price Regular price $0.00
SATCO|NUVO - PRO Series LED Retrofit Downlight | Bees Lighting

SATCO|NUVO

SATCO S11896 6 in Round Flat Wafer LED Downlight Retrofit 9-13W Selectable CCT 120V White

Regular price $17.95
Sale price Regular price $0.00
Satco|Nuvo Starfish LED Smart Retrofit Downlight - Bees Lighting

SATCO|NUVO

Satco Starfish S11569 4 in. Square Retrofit Downlight 11W 650 Lumens RGB Tunable White

Regular price $31.95
Sale price Regular price $0.00

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 lighting — replacing 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.

Read More
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.

Read More
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.

Read More