If you have been searching for the best H4666 Led Conversion Kit, you probably have noticed that not all models have the same specifications, some can adapt better than others to different tasks. To help you choose the product you need, we have gathered 10 of the best H4666 Led Conversion Kit from different categories on the market. And most significant is that, in picking these items, we have thought about many components like price, quality, durability, performance, reviews, and more so you can not turn out badly with your item buy.

Best H4666 Led Conversion Kit

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We have spent approximately 46 hours to find the ideal option for you, and based on our extensive research and testing, we have put together a list of options that will meet the needs of different types of buyers, so whether it’s price performance or its particular use, we have got you covered for more information on the products we have included links in the list down below which are updated for the best prices.

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Amazon.com
as of May 16, 2022 5:59 am

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Part NumberDIA-REC-S-3CS-C1
Amazon.com
as of May 16, 2022 5:59 am

Features

  • Partsam 4x6 6x4 led headlights update the look of your vehicle while improving your visibility with little to no modification; reducing traffic accidents cause by adverse road condition, ensuring driver's safety (High beam 5600 lumens / Low beam 2500 lumens per Bulb). 15 Ultra Bright 3W LED Chips; Durable Aluminum Shell Body and Heatsink; Plug and Play; Waterproof rate: IP67; Color Temperature: 6000K; Up to 50,000 Hours. Connector: H4/9003 (hi/low).
  • Interchange Number: H4656 / H4651 / 4651 / 4652 / H4652 /H4666 / H6545. Partsam LED headlamps fit up to 95% of vehicles, including sedans, light SUVs and trucks, motorcycles, and off-road vehicles. Some vehicles such as Toyota may have a different PIN OUT (Low,High, Ground) that is not standard as shown in the main pictures, you simply need re-arrange the pins by buying H4 9003 HB2 Wire Harness Sockets in Partsam Store.
  • 45W LED perfectly fits most Classic Vehicles from as early as 1955 through 1988: Dodge Challenger Charger Dart, Chevrolet Chevelle Corvette Nova, Ford Galaxie, Oldsmobile Cutlas, Pontiac GTO, Plymouth Barracuda, Road Runnerlight for your vehicle with sealed beam light system. Better and more durable than HID kits. Simply change your headlight out.
  • Ventilation Breather Design: If there is moisture or water in the headlight, please open the ventilation breather when headlight is on, then the moisture or water will disappear within short time and headlights can work normally again and are as bright as before, which can make the lifespan much longer. At present only Vplus and Partsam products has this function.
  • Widely Use On: For Freightliner FLD120 FLD132 FLD112; For Peterbilt Rectangular Headlights 379 378 357; For Kenworth KW T800 T400 T600 W900B W900L Classic 120/132 HK, Chevrolet K5 K10 K20 K30 Blazer S10, Chevrolet Suburban K1500 K3500, Chevy C70 C4500 P40 P60, Chevy W3500 W4500 W5500, Chevy Camaro RS, Silverado V10; For camper tractor motorhome RV and all kinds of vans.
2 new from $65.99
Free shipping
Amazon.com
as of May 16, 2022 5:59 am

Features

  • Specifications:15 Ultra Bright 3W LED Chips;Pair 4x6 inch Rectangular LED Headlights; Waterproof Rate: IP67; Color Temperature: 5000K-6000K; Lens Material: PMMA; Lifetime: Up to 50,000 Hours; Warranty: 1 years. Package includes 2pcs 5" x 7" 6x7 inch Rectangular LED Headlights for Jeep YJ Peterbilt Trucks 4X4 Offroad Headlamp Replacement H4656 H4666 H4651 H6545 H4652
  • LED headlights for vehicles with 4x6 sealed beam headlights. Update the look of your vehicle while improving your visibility with little to no modification; Helps to reduce traffic accidents cause by bad weather or adverse road condition. Ensuring driver's safety (High beam 3800 lumens, Low beam 1600 lumens). Low beam and High beam in the same light; Durable Aluminum Shell Body and Heatsink
  • With H4 plug.Easy Installation-Plug and Play.£¨For 1977-1981 Pontiac Firebird,Plug is need to be modified.Size will be a little bigger than original one.£
  • Compatibility with headlights: H4656 H4666 H4651 H6545 H4652.Headlamps can fit up to 95% of vehicles.Fit for Peterbilt 379 Kenworth T-600 W900b FREIGHTLINER CLASSIC FLB FLD,KENWORTH W900 T600 T800 K100,PETERBILT 379 362,INTERNATIONAL 9300 Chevy C10 K10 Chevy Caprice Celebrity.Also Fits for Dodge Challenger,Dodge Charger, Dodge Dart,Ford Galaxie,Oldsmobile Cutlas,Pontiac GTO,Plymouth Barracuda,Plymouth Road Runnerlight
  • Plug & Play: Like taking out a regular bulb. Make sure light dimension you need is 4x6 inch, and then plug this sealed beam headlights into H4 socket (3-prong)If 2 prong,need remove 1 when install it
2 new from $65.99
Free shipping
Amazon.com
as of May 16, 2022 5:59 am

Features

  • Specifications:15 Ultra Bright 3W LED Chips;Pair 4x6 inch Rectangular LED Headlights; Waterproof Rate: IP67; Color Temperature: 5000K-6000K; Lens Material: PMMA; Lifetime: Up to 50,000 Hours; Warranty: 1 years. Package includes 2pcs 5" x 7" 6x7 inch Rectangular LED Headlights for Jeep YJ Peterbilt Trucks 4X4 Offroad Headlamp Replacement H4656 H4666 H4651 H6545 H4652
  • LED headlights for vehicles with 4x6 sealed beam headlights. Update the look of your vehicle while improving your visibility with little to no modification; Helps to reduce traffic accidents cause by bad weather or adverse road condition. Ensuring driver's safety (High beam 3800 lumens, Low beam 1600 lumens). Low beam and High beam in the same light; Durable Aluminum Shell Body and Heatsink
  • With H4 plug.Easy Installation-Plug and Play.£¨For 1977-1981 Pontiac Firebird,Plug is need to be modified.Size will be a little bigger than original one.£
  • Compatibility with headlights: H4656 H4666 H4651 H6545 H4652.Headlamps can fit up to 95% of vehicles.Fit for Peterbilt 379 Kenworth T-600 W900b FREIGHTLINER CLASSIC FLB FLD,KENWORTH W900 T600 T800 K100,PETERBILT 379 362,INTERNATIONAL 9300 Chevy C10 K10 Chevy Caprice Celebrity.Also Fits for Dodge Challenger,Dodge Charger, Dodge Dart,Ford Galaxie,Oldsmobile Cutlas,Pontiac GTO,Plymouth Barracuda,Plymouth Road Runnerlight
  • Plug & Play: Like taking out a regular bulb. Make sure light dimension you need is 4x6 inch, and then plug this sealed beam headlights into H4 socket (3-prong)If 2 prong,need remove 1 when install it
Amazon.com
as of May 16, 2022 5:59 am

Features

  • Contents: 2x Diamond Cut Headlight Housings and 2x H4 LED Bulbs (Hi/Lo Dual Beam).
  • Universal Fitment for vehicles using 4" x 6" housing: H4651, H4652, H4656, or H4666.
  • Direct Plug & Play design (certain vehicles will require slight modification, professional Installation is highly recommended)
  • H4 LED bulbs color: 6000K Cool White. Power Consumption: 80 Watt. Luminosity: 8000 lumen.
  • Warranty 2 years
1 used from $27.10
Free shipping
Amazon.com
as of May 16, 2022 5:59 am

Features

  • LED headlights for trucks with 4x6 (6x4) sealed beam type headlights. Each light with 5600LM for high beam, 2500LM for low beam, newest generation chips, much brighter than stock light.
  • Easy installation: Plug and Play, the headlights are with standard 3-Pin plug (H4 plug), safe on the road use. IP68 waterproof rate, durable aluminum shell body and heat sink design for efficient cooling dissipation.
  • Breathing hole is designed to drive away moisture or water, making the light breathable and contributing to longer lifespan above 50,000 hours, provide safe and stable light source for your cars or trucks.
  • Compatible with headlights: H4656/H4651/4651/4652/H4652/H4666/H6545. Also suitable for most of other vehicles, including sedans, light SUVs and trucks, motorcycles,off-road vehicles and fits most classic vehicles from as early as 1955 through 1988: Dodge Challenger Charger Dart, Chevelle Corvette Nova, Galaxie, Oldsmobile Cutlas, Pontiac GTO, Plymouth Barracuda, Road Runnerlight for your vehicle with sealed beam light system.
  • Package Includes: 2PCS 4x6 inch 45W LED headlight, Please contact us if need any help.
Amazon.com
as of May 16, 2022 5:59 am

Features

  • Ⅰ. Fits for Isuzu NPR 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005. Replace OEM H4656 / H4651 / 4651 / 4652 / H4652 / H4666 / H6545 / H4668 / H4642 High Low Sealed Beam.
  • Ⅱ. Easy to install, H4 plug, with power plug adapter cable, plug and play, built-in EMC anti-flicker. OEM fit for Peterbilt Kenworth Freightinger Ford Probe Chevrolet Kenworth T800 T400 T600 Peterbilt 357 378 379 with Headlight 4x6 inch.
  • Ⅲ. Tree pattern(High beam & Low beam & Daytime Running Light-Amber) High beam is 3000lm, low beam is 2100lm, angel eye 800lm, multi-function to make sure you drive safe.
  • Ⅳ. Aluminum alloy casing, better shockproof and waterproof 67 function, the light is softer and advanced LED chips give out bright and white ray for clear visibility and wider illumination range.
  • Ⅴ. Free warranty 3 Years. US Local Stock & Free Ship. Package Included: 4pcs - 4x6inch LED headlights.
Amazon.com
as of May 16, 2022 5:59 am

Features

  • ✔ FIT FOR: 4x6 LED Headlights High/Low Sealed Beam 6x4 Conversion Kit Fits Peterbilt 379 Kenworth T-600 W900b Chevy C10 K10 S10 Freightliner Classic FLD120 FLD132 FLD112, Kenworth KW T800 T400 T600 W900B W900L K100, Peterbilt Rectangular Headlights 379 378 357, Chevrolet K5 K10 K20 K30 Blazer S10, Chevrolet Suburban K1500 K3500, Chevy C70 C4500 P40 P60, Chevy W3500 W4500 W5500, Chevy Camaro RS, Silverado V10; For Camper Tractor Motorhome RV and Vans.
  • ✔ Interchange Part Number: H4656, H4651, 4651, 4652, H4652, H4666, H6545. Advantages: DOT Approved. Durable Aluminum Shell Body and Heatsink. Simple Plug-and-Play Design. Better and more durable than HID kits. Simply change your headlight out. Perfect for the off-road adventurer who wants to cover new ground on the trail that never ends.
  • ✔ Specifications: Lighting Patterns: High & Low Beam, High beam 5600 lumens, Low beam 2500 lumens; 15 Ultra Bright 3W LED Chips; Size(Length/Width/Depth): 6.6"x4.2"x3"; Waterproof Rate: IP67 certification resistance to water or dust, which can make ensuring a longer lifespan; Color Temperature: 6000K; Lifetime: Up to 50,000 Hours; LED Wattage: 45W.
  • ✔ Features: 4x6 LED Headlight Fits 1955-1988 Dodge Challenger Charger Dart, Chevrolet Corvette Nova, Ford Galaxie, Oldsmobile Cutlas, Pontiac GTO, Plymouth Barracuda, Sedans, Trucks and Heavy Duty Trucks. Efficiently Dissipate the Heat. Key Featured Function: Ventilation Breather. If there is dust on the headlight, open the ventilation breather when headlight is on, then the dust will disappear within short time, the headlights will be bright as before, which can make ensuring a longer lifespan.
Amazon.com
as of May 16, 2022 5:59 am

Features

  • 【UNIVERSAL COMPATIBILITY】 Led headlights come in applications that fit up to 95% of vehicles. Including sedans, light SUV and trucks, off-road vehicles, usually they will used on vehicles with 4 headlights. Compatible with headlights: H4651/H4652/H4656/H6545/H4668/H4642/H4666. Fit any car or tuck that has 4x6 inch Led headlights.
  • 【Specification】4x6 led headlights is made of Led chips & black aluminum, full sealed heavy-duty housings, housing 15 ultra bright 3W led chips, high quality cree led chip with over 50000 hours lifetime, waterproof and dust seal, quakeproof, durable aluminum shell body and heat sink design for efficient cooling dissipation. Newest generation chips, much brighter than stock light, deliver outstanding all-weather illumination and maximum longevity.
  • 【Easy Installation】Plug and play, as a fully compatible replacement for factory parts, our 4x6 led headlights are designed for quick and easy installation, perfectly fit into your housing and connector, requiring no modification or drilling, done in less than 20 minutes.
  • 【IMPORTANT NOTICE 】Notice that the headlights are with standard 3-Pin plug (H4 plug), safe on the road use. If PINs on your vehicle are not standard, please purchase H4 9003 wiring harness.
  • 【Product Compliance】Meet DOT standards and compliant with FMVSS 108 - 100% street legal, and reliable quality will ensure safer driving in dark environments.
2 new from $22.99
Free shipping
Amazon.com
as of May 16, 2022 5:59 am

Features

  • 1 Pair (2 pc) of 4 x 6 in housings Clear OEM Style Glass Lens with metal back
  • High Quality Impact / Shatter Resistant Glass Lens Not cheap plastic that discolors overtime and can even melt when bulb gets hot.
  • Instead of seal beam design, these headlights use H4 light bulbs that are easily replaceable
  • Greatly enhance the appearance of Your Vehicle, Classic car, Truck, Van
  • If you have any problem with the headlight, please contact us directly via "Contact Seller". If we cannot resolve your issue, we will issue a full refund. No return needed!
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