Which Best 4666 Headlight Should You Buy Now?

With so many options available in the market choosing the best 4666 headlight can be tricky for normal customers. Consumers can get overwhelmed by the huge marketplace and end in a place by choosing a wrong product that will not serve its purpose perfectly.
The purpose of this review is to avoid misunderstanding and help the customer with a shortlist of the most popular products of the marketplace by analyzing the features, functions, specifications, customers rating, and reviews.
This review section will help you with the selected list of the most favored and trended items of the marketplace where you can easily check the reviews from the actual customers.

# Preview Product Price
1 4×6 4×6″ led headlamp car headlight drl led headlight for 1979-1983 American Motors Spirit 4651 4652 4656 4666 4668 6545 sealed beam projector bright white headlight assembly $45.67
2 Carpartsinnovate For 4X6 Clear Cut Glass Lens Black Square Headlights Lamps H4 H4666 Conversion Kit $26.95
3 Z-OFFROAD 4pcs 60W 4×6 Inch LED Headlights DOT Approved Rectangular H4651 H4652 H4656 H4666 H6545 Headlight Replacement Compatible with Kenworth Freightliner Peterbilt Oldsmobile Cutlass – Black $139.99
4 2pc 4×6 LED Headlights [45W] [H4 Socket] [Black-Finish] [High/Low Sealed Beam] H4652 H4666 H6545 H6054 H4651 H4656 4×6 LED Headlight for Peterbilt Kenworth Trucks Ford Van & More $34.50
5 Auxbeam 60W 4×6 LED Headlights with Dot Approved Replacement H4651 H4652 H4656 H4666 H6545 for Peterbilt Kenworth Freightinger Ford Probe Chevrolet Oldsmobile Cutlass Trucks (2Pcs Black) $79.99
6 Partsam 4×6 6×4 inch LED Headlights Rectangular Sealed Beam Headlamp H4651 H4652 H4656 H4666 H6545 H4 Socket Hi/Lo Beam Compatible with 379, W900, K5 K10 K20 W3500 $43.99
7 AMUNIESUN 4 PCS DOT Approved 4×6″ Inch LED Halo Headlights Replacement H4651 H4652 H4656 H4666 H6545 Fit For Peterbilt Kenworth Freightinger Ford Probe $81.99
8 Partsam H4 9003 HB2 Wire Wiring Harness Sockets for 4″x6″ 7″x6″ 5″x7″ inch Sealed Beam Car Truck Headlights Pickup Heavy Duty Headlamp (2PCS) $6.89
9 2pcs 80W 4×6 Inch LED Headlights with DRL Turn Singal Hi/Lo Sealed Beam Rectengular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Turcks Peterbilt Kenworth Freightinger Odlsmobile Cutlass $68.99
10 H4 HB2 9003 Wiring Harness Headlight Socket Heavy Duty14AWG Ceramic Headlight Connector For Car Truck Boat Marine Headlight Fog Light Retrofit(Pack of 2) $8.99

Top 10 Best 4666 Headlight

4666 headlight

Here are the top 4666 headlight we picked, check their features.

1. 4×6 4×6″ led headlamp car headlight drl led headlight for 1979-1983 American Motors Spirit 4651 4652 4656 4666 4668 6545 sealed beam projector brig

Brand: AnSi

  • Super Bright: 15pcs 3W Ultra Bright LED Chips. 3750 Lumens/pcs for high beam; 1500 Lumens/pcs for low beam. Waterproof Rate: IP68. Color Temperature: 6000K Cool White. Made of toughed PMMA Lens.
  • Just Plug and Play: Easy to install. Dimension: approx.170mm x 105mm (6″ x 4″) with factory H4 plug. Ensure driver’s safety, improve the visibility and upgrade the look of your vehicles with little to no modification!
  • Package Includes: 4pcs 4×6 inch LED Headlights, which is compatible with H4651 H4642 H4652 H4656 H4666 H4668 H6545. Note: Pin converter required for H4666, H6545 (not supplied)
  • These are high performance LED replacement headlamp for any vehicle application requiring sealed beam type headlamps.
  • Long Lifetime up to 8,000 hours. Made by OEM approved & ISO certified manufacturers in materials that meet or exceed strict OEM requirements.

2. Carpartsinnovate For 4X6 Clear Cut Glass Lens Black Square Headlights Lamps H4 H4666 Conversion Kit

Brand: Carpartsinnovate

Color: Black Housing Clear Lens

  • High quality materials last longer and get you noticed!
  • Direct replacement for stock assembly
  • We offer a 30 day money back guarantee and a 90 day replacement/exchange warranty.
  • Complete set, comes with both (Driver and passenger) side
  • DOT approved, meets all OE specifications.

3. Z-OFFROAD 4pcs 60W 4×6 Inch LED Headlights DOT Approved Rectangular H4651 H4652 H4656 H4666 H6545 Headlight Replacement Compatible with Kenworth Fr

Brand: Z-OFFROAD

Model: SJ-81026864

Size: Standard

Color: 60W Black 4×6 Inch Headlight

Dimention: 0 * 0 * 0

  • Compatibility- 4×6 Inch Headlights perfectly replaces H4656 / H4651 / 4651 / 4652 / H4652 / H4666 / H6545 headlights and compatible with most vehicles, such as Kenworth T800 / T400 / T600, Peterbilt 357 / 378 / 379, Freightliner fld 120 112, Chevy K5 K10 K20 K30, Chevy C70 C4500 P40 P60, Blazer S10, Chevy Suburban K1500 K3500, Chevy W3500 W4500 W5500, Chevy Camaro RS, Silverado V10.
  • Package includes 4pcs 4×6 inch LED Headlight with H4 3-pin male and 4pcs H4 9003 HB2 wiring harness. Fits any vehicle with a 4 Rectangular Headlight System. Any questions, please contact us for help first. We offer 30-day money-back guarantee and 1-year warranty.
  • Z-OFFROAD Upgrade 4×6 LED headlights sealed beam type for any car or truck with 6×4 / 4×6 headlights. 100% Plug N play Design. Update the look of your vehicle while dramatically improving light projection distance, overall visibility, and a better driving experience.
  • Made with newest high-intensity LED Chips, 3600lm/pcs high beam, 2800lm/pcs Low beam. Integrated anti-flicker harness to avoid flickering. Premium beam pattern greatly increases the stability of headlamps to make illumination brighter and ultra-wide lighting angle.
  • DOT SAE Approved LED Headlight. (‘DOT SAE MS-4686 HL VOR 19’ could be searched on NHTSA, other fake dot can’t be searched). Constructed with a die-casting Aluminum Housing and Hard Coated, UV Protected Polycarbonate Lens that resists cracking and yellowing. IP67 waterproof and dustproof. Dimension: 6.7” L x 4.33 “W x 3.15 “D.

4. 2pc 4×6 LED Headlights [45W] [H4 Socket] [Black-Finish] [High/Low Sealed Beam] H4652 H4666 H6545 H6054 H4651 H4656 4×6 LED Headlight for Peterbilt

Brand: ONLINE LED STORE

Size: 2pc

Dimention: 2 * 3 * 3

  • SIMPLY PLUG & PLAY- Each sealed beam headlight is pre-attached with a 5 inch H4 bulb base connector for simple installation; detailed instructions included.
  • BRILLIANTLY BRIGHT- Casts staggeringly bright LED illumination for supreme all-day & all-weather visibility; 45W total output (45W high beam/15W low beam); 6,000K white LED color temperature.
  • UNIVERSAL COMPATIBILITY- Direct replacement for any vehicle equipped with H4651 H4652 H4656 H4666 H6545 4″ x 6″ rectangular sealed-beam headlights, including: Wrangler, Dodge Challenger, Dodge Charger, Dodge Dart, Chevrolet Chevelle, Chevrolet Corvette, Chevrolet Nova, Ford Galaxie, Oldsmobile Cutlas, Pontiac GTO, Plymouth Barracuda, Plymouth Road Runner, classic motorcycles, ATVs and much more; pin converter required for H4666 & H6545 applications.
  • IP67 WATERPROOF RATING- Ultra-durable polycarbonate construction is IP67 rated for water and dust intrusion; LEDs deliver outstanding all-weather illumination and maximum longevity.
  • SLEEK & SINISTER STYLE- Wicked black housing lends an aggressive styling touch to your vehicle.

5. Auxbeam 60W 4×6 LED Headlights with Dot Approved Replacement H4651 H4652 H4656 H4666 H6545 for Peterbilt Kenworth Freightinger Ford Probe Chevrolet

Brand: Auxbeam

Color: Black

  • Wide Application – Compatible with headlights: H4651 / H4652 / H4656 / H4666 / H6545. Universal fit for most vehicles with 4×6 inch headlights, including sedans, light SUVs and trucks, motorcycles and off-road vehicle
  • Package Included – 2pcs 4×6 inch LED Headlight
  • Reliable & Durable – Features with scientific circuit board inside, effectively avoid flickering issues. Upgrade cooling system, larger heat dissipation spacing, lifespan up to 50,000 hours
  • Great Quality – DOT & SAE Approved. Shock-proof and waterproof (IP 67). Come with pure PC cover, more difficult to be scratched than ordinary glass mirrors
  • Super Bright – Made with 100% original High-Performance chips. 3600Lm High beam & 2800Lm low beam, provide the real 60W output brightness without spots. The led headlamps with upgrade projector lens is much brighter than other similar 4×6 rectangle headlights and hid headlights

6. Partsam 4×6 6×4 inch LED Headlights Rectangular Sealed Beam Headlamp H4651 H4652 H4656 H4666 H6545 H4 Socket Hi/Lo Beam Compatible with 379, W900,

Brand: Partsam

Model: 4333012521

Size: 4″x6″ (2 PCS)

Color: Headlight-2PCS

Dimention: 0 * 0 * 0

  • Fits up to 95% of vehicles, including sedans, also fits C10 K10 S10 Caprice Celebrity, F150 F350, Challenger, Charger, Dart, Chevelle, Corvette, Nova, Galaxie, Cutlas, GTO, Barracuda, Road Runner.
  • Main Features: The 4×6 LED headlight features High Intensity 3W*15LEDs, Waterproof&Sealed, Extremely Durable. The Headlamps are perfect for replacing Low Output Simple Halogen Sealed Beams with more effective, efficient, and powerful LEDs; 45W LED create the perfect light for your vehicle with sealed beam light system. Better and more durable than HID kits. Simply change your headlight out.
  • Interchange Part Number: H4656 / H4651 / 4651 / 4652 / H4652 /H4666 / H6545, 1a1 led headlight, 2a1 led headlight, 2b1 led headlight; One Year Warranty with lifetime technical support; Package includes: 2PC 45W 4X6 Inch Led Headlight.
  • Compatible with Headlights: Fit trucks heavy duty trucks, 357 379 378 320 362, T800 W900 T600A C500 K100E T400, FLD120 FLD132 FLD112 Condor FLC112, Classic, 9300, Mack etc.
  • Three-phase Plugs: equipped with a three-phase plugs, easy to install. Can be used as low beam or high beam; Pins on plug may need to be moved on some vehicles. You simply have to re-arrange the pins with an adaptor (NOT included)

7. AMUNIESUN 4 PCS DOT Approved 4×6″ Inch LED Halo Headlights Replacement H4651 H4652 H4656 H4666 H6545 Fit For Peterbilt Kenworth Freightinger Ford P

Brand: AMUNIESUN

  • With four patterns:High Beam/Low Beam/White DRL/Amber Turn Signal Light;Update the look of your vehicle while improving your visibility; Reducing traffic accidents caused by bad weather or adverse road condition. Ensuring driver’s safety.
  • Compatibility with H4656 H4666 H4651 H6545 H4652 headlight.Such as compatible with Freightliner FLD 120 112; compatible with Kenworth T800 T400 T600 W900B W900L;compatible with Western Star 4900 Semi Truck;compatible with International Harvester 9300;compatible with Cadillac Eldorado/Seville;compatible with Ford Mustang/Probe/Galaxie;compatible with Pontiac Firebird/Grand Prix/GTO;
  • Such as compatible with Dodge Challenger/Charger/Dart;compatible with Oldsmobile Cutlass/Delta;compatible with Buick Electra/LeSabre/LeSabre/LeSabre;compatible with Camaro/Cavalier/El Camino/Monte Carlo/C/K Pickup/Suburban/Blazer;compatible with Isuzu NQR NPR NPR-HD
  • With H4 plug.Easy Installation. Like taking out a regular light. Make sure the dimension of light you need is 4×6 inch.If your vehicle is not with standard H4 sockets, just use the H4 to 3 pins adapter(Included) to adjust the pins to make it work normally.Package:4pcs LED headlights and 4pcs H4-3 pins adapters.
  • Specification:4×6 inch Rectangular LED Headlights; Waterproof Rate: IP67; Color Temperature: 5000K-6000K; Lens Material: PC; Lifespan: Up to 50,000 Hours; Durable Aluminum Shell Body and Heatsink;Warranty: 1 year.

8. Partsam H4 9003 HB2 Wire Wiring Harness Sockets for 4″x6″ 7″x6″ 5″x7″ inch Sealed Beam Car Truck Headlights Pickup Heavy Duty Headlamp (2PCS)

Brand: Partsam

Model: 13

Size: H4 to 3 Pins Adapters for 4″x6″/7″x6″-2pcs

Color: 2PCS

  • Product Name: Car Truck Headlight Socket Harness; Socket Type: H4/ 9003/HB2
  • Warranty: 1 Year; Please make sure the wire harness fit for your headlights and car models before purchasing.
  • Application: You need to buy H4 9003 HB2 Wiring Harness Socket if PINs on your vehicle are not standard to guarantee your 4″x6″ 7″x6″ 5″x7″ work normally. More details kindly please check the main pictures.
  • Package Includes: 2PCS H4 9003 HB2 Wiring Harness Sockets for 4″x6″ 7″x6″ 5″x7″ inch Sealed Beam car Truck Headlights
  • Fits for: 4″x6″ 7″x6″ 5″x7″ inch Sealed Beam Headlights. Partsam also offers 4×6/7×6 inch headlights of different light package style for your reference

9. 2pcs 80W 4×6 Inch LED Headlights with DRL Turn Singal Hi/Lo Sealed Beam Rectengular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Turck

Brand: auronto

Size: 4×6 Inch-2PACK

Dimention: 1 * 3 * 2

  • ★Package includes— 2pcs 4×6 inch LED headlights, usually used in vehicles equipped with 4 headlights; H4/9003 plug and play, the red wire is used for DRL, the yellow wire is used for turn signals. Provide 1 year quality guarantee, if you have any questions, please feel free to contact us.
  • ★Upgrad led headlight— Sealed beam type headlights can better provide you with high-beam projection distance, improve overall visibility, and provide you with a better driving experience; it is integrated with the circuit board to prevent flicker and perfectly avoid flicker.
  • ★Led headlight parameters— Using the latest OSRAM LED chips, is a DOT SAE approved LED headlight, 8000lm/pcs high beam, 5600lm/pcs low beam, 1200lm/pcs daytime running light, better and more than general kits durable.
  • ★Compatibility 1— Universal fit for most vehicles with H4651 H4652 H4656 H4666 H6545 4×6 inch headlights. Compatible with 1984-1997 Kenworth T400, 1989-1997 Kenworth T800, 1985-1998 Kenworth W900, 1986-2007 Peterbilt 357 378 379 385, 1986- 1988 Peterbilt 359.
  • ★Compatibility 2— headlights compatible with 1978-1983 Dodge Challenger, 1977-1986 Dodge Charger, 1979-1986 Ford Mustang, 1979-1986 Ford LTD, Oldsmobile Cutlass Ciera, Oldsmobile Cutlass Calais, Pontiac GTO, Plymouth Gran Fury, Plymouth Barracuda, Plymouth Road Runner.

10. H4 HB2 9003 Wiring Harness Headlight Socket Heavy Duty14AWG Ceramic Headlight Connector For Car Truck Boat Marine Headlight Fog Light Retrofit(Pac

Brand: Mosleyz

Color: H4 9003 Female Socket

Dimention: 0 * 0 * 0

  • 4. These wires will make your HID/LED Headlight/Foglight retrofit easier a lot. No melt or burnt even you use 100W lights
  • 5. Package includes: 2pc * H4/9003 Socket Harness.
  • 3. Voltage:12V, wire gauge: 14AWG, maximum allowable current: 9.4A, allowable current of natural operation 8.2A
  • 2. External Material : Ceramic base, heat resistant, temperature withstand up to 1800 F, no melt, no fire
  • 1. H4 headlight socket wiring harness connector: If PINs on your vehicle are not standard to guarantee your 4″x6″ 7″x6″ 5″x7″ work normally like neither low beam nor high beam work on your vehicle, this H4 Wiring Harness is needed. It will make your HID/LED Headlight/Foglight retrofit easier a lot. More details kindly please check the main pictures

How to Choose the Best 4666 headlight : Buying Guide

When it comes to choosing the right 4666 headlight , you should be assured that you are making the right choice. Understanding about the product before buying it is the most important part. Sometimes with so many options, evaluating the right choice at the right moment can be problematic.
So, check out the buying guide to overcome all the hassle of finding your best solution.

Features of the 4666 headlight

The first thing to check out on any product is the feature. You have to locate the useful features that will come in handy in your needs. Sometimes a product can be filled with tons of features to look good on normal eyes but their features can be worthless in practical use.

So, before choosing the right item you need to evaluate the features from the feature section and the description section to see if you are going to use them or not. If the products come with some of the efficient features, you can undoubtedly choose them.

Check the Specifications

Sometimes, we don’t have enough time to check on the specification section and are quickly drawn to buy a product. While the products we are suggesting here are the best ones according to the users, we still suggest taking a look at the specifications.
The specifications of the 4666 headlight will let you informed about the uses and advantages of using the products. You can then determine if that can fulfill the purpose of your needs.

Yes, there can be a few problems understanding the whole specification section if it is too long. What we suggest is to look for the key features, performance, how much the products going to cost and their after-sale services.

Design of Product

The market is full of wonderful products, and it can be tough to decide which one to choose. However, the first impression you can make of the item is the overall design.
You can check out the material, finish, color, and other visual aspects of the product to get a taste of the manufacturer. If you like the overall design, you can check out other factors before choosing the item.

Seller Rank in the Marketplace

If you buying the products from our shortlisted table, then one thing you can consider is to check the seller rank. A trendy and growing product means it is delivering good performances to most of the customers.
And better trends and growth of selling means better seller rank. And 4666 headlight from a good seller rank will ensure not only good quality of the item but also a better after-sale service and good warranty service if available.

Durability and Stability of the Product

You need to check out the description and reviews section to see how durable and stable the product is. A good product will be durable, will last longer, and will provide stable uses throughout its lifetime.
The 4666 headlight we have suggested have mostly been made in a way to last longer with providing stable performance in uses, but the best thing is to click the item and check out the stability and durability according to your personal need.

User Friendliness and Comfort

No one wants discomfort and critical toughness when using a product. Comfort is one of the most important considerations when choosing the 4666 headlight . Most of the products that are selected in this article are popular which means have better served the most users.
So, we are certain that these products are comfortable and user-friendly enough to satisfy most customers. But you can watch each of the products on our list to see which fulfills your satisfaction the most.

Frequently Asked Questions (FAQs)

What is the Price Range for 4666 headlight ?

The item can come with several cost ranges. The price can go up depending on the quality of the items and the ability to last longer periods, functions, specifications, features, and reliability.
The modern marketing trends have left us with little clues on the actual price. Sometimes a product manufactured cheaply can cost a lot more than a quality one. Some manufacturers spend more on marketing than manufacturing creating better reach and less quality.
So, you should compare the price of the products from our review segment to select the best features, quality, and performance of the product in a certain price range.

Why Should You Buy the 4666 headlight ?

If you need an item, then understanding the scenario is simple. But if you are not, then think sensibly if the benefits of this product will certainly fulfill your need. Ask yourself, why do you want to have the product.

What we have suggested in our top pick is the best items according to many users. If you have made up your mind, then you can read the reviews of the customers before choosing the right item.

When Should I Buy a New 4666 headlight ?

There can always be a question if:
Is it the right time to buy the 4666 headlight , or you should wait for few times to see if the right products have been launched to serve your need?
It is pretty difficult to determine if the products that are actually on the marketplace are the best, or the best items are yet to come. But the suggested products are popular and have very good reviews from a lot of customers.
So, if you need the product right now, wasting any time is not sensible.

Which Type of 4666 headlight is the Best?

There are different types of 4666 headlight in the marketplace. Understand your need first. Which type of this product will be most beneficial to you. You can also go through the product list and see their reviews, pros, cons, and then select the best type of items for now.

Final Thought

I hope our product table, review section, and buying guide will help you determine the right items for your need. If you are looking for the best 4666 headlight then there are multiple options from our product list.
You can go check out the short features of these items from our review to pick one or two to check for further reviews. Click these products and see the reviews of the customers, description of the products, and rating of it to make a final decision for buying it.

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