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  • LED RV Retrofit Bulbs
    • *Elite Series*
    • Single Contact Round Bases
      • Small 9mm (3/8") BA9s Base
      • Std 15mm (5/8") BA15s Base
    • Double Contact Round LED Lights
    • Wedge Based LED Lights
      • Micro Size to Replace 194, 168
      • Std Size to replace 912, 921
    • G4 / T3 & G6.35 Double Pin
      • G4 10w Replacements
      • G4 20w Replacements
      • G6.35 20w Replacements
    • Plate Style LED Lights
    • Festoon / Inline LED Lamps
    • Vanity Globes
    • Reading Lamps
      • 1139 1139lf
      • 1383
      • G4 Bi-Pin Halogen
      • MR11
      • MR16
    • Tube Lights
      • 12" F8T5 TL8/33
      • 14" F14T8
      • 18" F15T8
      • 21" F13T5
      • 22" F14T5
      • 24" F17T8
      • 36" F30T8 F25T8
      • 48" F32T8 F36T8
      • Round / Circular
      • Stand Alone (no fixture) 18"
    • Screw In
    • Strip Lights
    • Floodlight LED Replacement
    • Dimmers
  • Better LEDs for Factory RV LED Fixtures
  • Light Fixtures
  • RV/Trailer, Brake, & Running Lights
    • Common Tail/Clearance Bulbs
    • Complete Clearance / Marker
    • Complete Tail and Mounts
  • LED Off Road Spot, Flood & Light Bars
    • Light Bars Long and Short
    • Round and Square Lights Big and Small
    • Light Covers
    • Light Harnesses & Switches
    • Light Mounts
  • RV, Truck & Auto Headlamps & Common Bulbs
    • Headlamps
    • Common Auto Bulbs (LED)
    • Complete Dome Lights
    • Strips, Pucks, Acc Lighting
  • Color Changing RGB
  • Flashlights
  • 120v AC Products
  • Standard RV Supplies
    • Electrical
    • Plumbing
    • Roof
  • Landscape Lighting
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    Main Menu

  • Identify Bulbs & Bases
  • LED Color Range Choices
  • Lumens and Quality
  • Email List
  • Shipping & Returns
  • FAQs
  • Contact
  • Resources
  • Affiliate Program
  • Press: TV, Video, Articles
  • Pandemic Info

    • Shop By Category

  • LED RV Retrofit Bulbs
    • *Elite Series*
    • Single Contact Round Bases
      • Small 9mm (3/8") BA9s Base
      • Std 15mm (5/8") BA15s Base
    • Double Contact Round LED Lights
    • Wedge Based LED Lights
      • Micro Size to Replace 194, 168
      • Std Size to replace 912, 921
    • G4 / T3 & G6.35 Double Pin
      • G4 10w Replacements
      • G4 20w Replacements
      • G6.35 20w Replacements
    • Plate Style LED Lights
    • Festoon / Inline LED Lamps
    • Vanity Globes
    • Reading Lamps
      • 1139 1139lf
      • 1383
      • G4 Bi-Pin Halogen
      • MR11
      • MR16
    • Tube Lights
      • 12" F8T5 TL8/33
      • 14" F14T8
      • 18" F15T8
      • 21" F13T5
      • 22" F14T5
      • 24" F17T8
      • 36" F30T8 F25T8
      • 48" F32T8 F36T8
      • Round / Circular
      • Stand Alone (no fixture) 18"
    • Screw In
    • Strip Lights
    • Floodlight LED Replacement
    • Dimmers
  • Better LEDs for Factory RV LED Fixtures
  • Light Fixtures
  • RV/Trailer, Brake, & Running Lights
    • Common Tail/Clearance Bulbs
    • Complete Clearance / Marker
    • Complete Tail and Mounts
  • LED Off Road Spot, Flood & Light Bars
    • Light Bars Long and Short
    • Round and Square Lights Big and Small
    • Light Covers
    • Light Harnesses & Switches
    • Light Mounts
  • RV, Truck & Auto Headlamps & Common Bulbs
    • Headlamps
    • Common Auto Bulbs (LED)
    • Complete Dome Lights
    • Strips, Pucks, Acc Lighting
  • Color Changing RGB
  • Flashlights
  • 120v AC Products
  • Standard RV Supplies
    • Electrical
    • Plumbing
    • Roof
  • Landscape Lighting
  • T-Shirts, Koozies, & More
  • Gift Certificates
  • Sale Items / Coupons
  • Gift Certificates
  • Login or Sign Up

Shop by Category

  • LED RV Retrofit Bulbs
    • *Elite Series*
    • Single Contact Round Bases
      • Small 9mm (3/8") BA9s Base
      • Std 15mm (5/8") BA15s Base
    • Double Contact Round LED Lights
    • Wedge Based LED Lights
      • Micro Size to Replace 194, 168
      • Std Size to replace 912, 921
    • G4 / T3 & G6.35 Double Pin
      • G4 10w Replacements
      • G4 20w Replacements
      • G6.35 20w Replacements
    • Plate Style LED Lights
    • Festoon / Inline LED Lamps
    • Vanity Globes
    • Reading Lamps
      • 1139 1139lf
      • 1383
      • G4 Bi-Pin Halogen
      • MR11
      • MR16
    • Tube Lights
      • 12" F8T5 TL8/33
      • 14" F14T8
      • 18" F15T8
      • 21" F13T5
      • 22" F14T5
      • 24" F17T8
      • 36" F30T8 F25T8
      • 48" F32T8 F36T8
      • Round / Circular
      • Stand Alone (no fixture) 18"
    • Screw In
    • Strip Lights
    • Floodlight LED Replacement
    • Dimmers
  • Better LEDs for Factory RV LED Fixtures
  • Light Fixtures
  • RV/Trailer, Brake, & Running Lights
    • Common Tail/Clearance Bulbs
    • Complete Clearance / Marker
    • Complete Tail and Mounts
  • LED Off Road Spot, Flood & Light Bars
    • Light Bars Long and Short
    • Round and Square Lights Big and Small
    • Light Covers
    • Light Harnesses & Switches
    • Light Mounts
  • RV, Truck & Auto Headlamps & Common Bulbs
    • Headlamps
    • Common Auto Bulbs (LED)
    • Complete Dome Lights
    • Strips, Pucks, Acc Lighting
  • Color Changing RGB
  • Flashlights
  • 120v AC Products
  • Standard RV Supplies
    • Electrical
    • Plumbing
    • Roof
  • Landscape Lighting
  • T-Shirts, Koozies, & More
  • Gift Certificates
  • Sale Items / Coupons

    • Shop by Brand

  • View all Brands

    • Our Warehouse is shipping as usual.  More Information related to the Pandemic is here.

    emailicon.png  JOIN OUR EMAIL LIST!  CLICK HERE

    Free Standard Shipping on orders over $60.00.  We generally ship all orders received before 2:30pm PST the same day (shipping Monday through Friday, Postal Holidays excluded). 

    Quality RV Bulb quicklinks - Built to handle the unique power requirements of an RV   Other Things   Vehicle Exterior Off Road Lights & Accessories
    retrofit-leds-for-fixturessmall.jpg     Headlamps
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    Featured Products

    • RETROFIT-18-5630-NW Replacement for 4.5" ITC Fixtures Natural White
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      sku: RETROFIT-18-5630-NW

      RETROFIT-18-5630-NW Replacement for 4.5" ITC Fixtures Natural White

      MSRP: $16.49
      Now: $12.99
      Add to Cart
    • NEBO Classic Look LED Flashlight
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      sku: NEBO-CLASSIC

      NEBO Classic Look LED Flashlight

      MSRP:
      Now: $29.99
      Add to Cart
    • SALE
      52" Skinny Side Mount 144w Single Row Light Bar Combo Pattern
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      sku: SAN6019-144

      52" Skinny Side Mount 144w Single Row Light Bar Combo Pattern

      MSRP:
      Was: $169.99
      Now: $129.99
      Add to Cart
    • SALE
      41" 234W Bottom or Side Mount CREE LED Chips - Combo Pattern
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      sku: SAN6028-234-C

      41" 234W Bottom or Side Mount CREE LED Chips - Combo Pattern

      MSRP: $279.99
      Was: $189.00
      Now: $149.99
      Add to Cart

    New Products

    • 1156-9-3030-WW Warm White Elite2 (1003/1141/1156) BA15s Base
      Quick view

      sku: 1156-9-3030-WW

      1156-9-3030-WW Warm White Elite2 (1003/1141/1156) BA15s Base

      MSRP: $16.49
      Now: $10.99
      Add to Cart
    • 1156-9-3030-NW Natural White Elite2 (1003/1141/1156) BA15s Base
      Quick view

      sku: 1156-9-3030-NW

      1156-9-3030-NW Natural White Elite2 (1003/1141/1156) BA15s Base

      MSRP: $16.49
      Now: $10.99
      Add to Cart
    • 1156-9-3030-CW Cool White Elite2 (1003/1141/1156) BA15s Base
      Quick view

      sku: 1156-9-3030-CW

      1156-9-3030-CW Cool White Elite2 (1003/1141/1156) BA15s Base

      MSRP: $16.49
      Now: $10.99
      Add to Cart
    • 1156-33-3030-WW Warm White Elite2 (1141/1156) BA15d Base
      Quick view

      sku: 1156-33-3030-WW

      1156-33-3030-WW Warm White Elite2 (1141/1156) BA15d Base

      MSRP: $16.49
      Now: $12.99
      Add to Cart
    Fleetwood Discovery

    M4 is based in Southern California.  Our products are designed and sourced specifically for their  applications. 

    As Avid RV and Off Road enthusiasts, we are extremely familiar with products which make active lifestyles more enjoyable. 

    Our product line is focused around cutting edge LED technology due to its energy and superior light output benefits.

    M4 develops and sources RV Replacement LEDs that have been chosen specific to the application of RV interior lighting.  There are other less expensive generic LED bulbs available, as well as replacement products that cost substantially more, but M4 has done the research and testing to provide solutions that not only performs well, but do so at a reasonable price.  Whether you have an RV or Trailer, we have a quality LED light to meet your needs.
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    Contact Us
    Showroom by Appointment
    21356 Nordhoff St #103
    Chatsworth, CA 91311

    See our Contact Page for visiting and phone details, and any Away Messages.

    email orders@m4sales.com for order questions

    818.717.8840
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