---
product_id: 65156805
title: "BICYACO 4 PCS DOT 4x6 Inch LED Headlights Rectangular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth Freightliner Ford Probe Oldsmobile Cutlass"
brand: "bicyaco"
price: "£146.89"
currency: GBP
in_stock: true
reviews_count: 12
category: "Bicyaco"
url: https://www.desertcart.co.uk/products/65156805-bicyaco-4-pcs-dot-4x6-inch-led-headlights-rectangular-replacement
store_origin: GB
region: United Kingdom
---

# 60W powerful LED output IP67 waterproof rating Plug & play installation BICYACO 4 PCS DOT 4x6 Inch LED Headlights Rectangular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth Freightliner Ford Probe Oldsmobile Cutlass

**Brand:** bicyaco
**Price:** £146.89
**Availability:** ✅ In Stock

## Summary

> 🚛 Light up your legacy with BICYACO’s ultimate LED upgrade!

## Quick Answers

- **What is this?** BICYACO 4 PCS DOT 4x6 Inch LED Headlights Rectangular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth Freightliner Ford Probe Oldsmobile Cutlass by bicyaco
- **How much does it cost?** £146.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/65156805-bicyaco-4-pcs-dot-4x6-inch-led-headlights-rectangular-replacement)

## Best For

- bicyaco enthusiasts

## Why This Product

- Trusted bicyaco brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Upgrade:** Plug and play setup with included wiring harnesses means you’re road-ready in just 20 minutes—no mechanic needed.
- • **All-Weather Warrior:** IP67 waterproof and shockproof design ensures flawless performance rain, shine, or snow—never get left in the dark.
- • **Precision Beam Control:** Sharp, straight cut-off line with 6500K pure white light delivers maximum visibility and professional-grade clarity.
- • **DOT-Approved Brilliance:** Stay street-legal and safe with fully compliant 60W LED headlights that light up your path without blinding others.
- • **Durable Heat Dissipation:** Aluminum alloy housing with advanced heat sink extends lifespan up to 50,000 hours—invest once, drive confidently.

## Overview

The BICYACO 4 PCS 4x6 Inch LED Headlights are DOT-approved, high-performance replacements compatible with a wide range of trucks and classic vehicles. Featuring 60W LED bulbs with a pure white 6500K color temperature, IP67 waterproof rating, and durable aluminum alloy housing, these headlights offer superior brightness, weather resistance, and longevity. Designed for easy plug-and-play installation with included wiring harnesses, they provide sharp beam cutoffs that enhance road safety without glare. Perfect for professional drivers and vintage vehicle enthusiasts seeking a reliable, modern lighting upgrade.

## Description

Buy BICYACO 4 PCS DOT 4x6 Inch LED Headlights Rectangular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth Freightliner Ford Probe Oldsmobile Cutlass: Headlight Assemblies - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Fits perfect and super bright - I bought these for replacement of regular halogen H4666 bulbs for my snowway snow plow. They worked great, super easy to install and came with wiring adaptors. Heads and tails brighter than the old yellow lights.. should have done this 2 bulb replacements ago..
Review: The reviews are right. These lights are great... If you can figure out how to wire them up. - I was skeptical. I have about 25% success when it comes to buying anything LED. This one is a success. I installed them on a Chevy W4500 (aka Isuzu NPR). This buy comes with 4 lights. After installing just 2 of them, they were already much brighter than the old sealed beam halogen lights. I almost saved the other 2 lights for another truck but decide what the heck, installed those as well. They have a nice cutoff so you're not blinding other people. And light is focused where you need it. This isn't one of those crappy lights that blinds everyone, yet fails to to light up the area directly in front of the vehicle. Fitment was good. I didn't have to make any modifications. As for wiring... On many vehicles, wiring modification will be required. This is because this light (and most LED lights) are polarized. Halogen lights are not. Meaning, a halogen light doesn't care about polarity (which lead is positive and which is negative). An LED will only work with the correct polarity. That is, there is a negative lead and a positive lead. If you switch them around, it won't light up. Lots of cars wire up the lights in odd ways. They were able to do this because Halogens are not polarized. For instance on my truck, when the low beam is off, the wires are + and +. When the low beam is on, it's + and -. Same goes for the high beam. So, instead of the lights being constantly connected to ground and having the + wire switched off and on, my lights did the opposite. Even with the lights off and ignition switch off, all the wires to the lights had +12V. So, I had to wire up two relays and a fuse to get them working. Other than the 2 hours it took to wire it all up, I had no issues.

## Features

- DOT Approved 60W 4x6 LED Headlights: The DOT-compliant headlights compatible with Kenworth w900 guarantee your lights are compliant with the United States Department of Transportation for use in the U.S. & Canada to secure the safety of others.
- Waterproof IP67 On This 4x6 Headlights: After high-intensity testing, even in the cold winter, there is no case where the lights are not lit because of the cold weather. Efficient waterproof for all weather conditions.
- Plug and Play: This new upgrade 4x6 inch headlight compatible with Peterbilt 379 is plug and play. The package comes with all the parts required to make these headlights work. It just needs 20 minutes to install the headlamp. The anti-flicker is integrated with a circuit board, perfectly avoiding flickering.
- Full Functions for Trailer Truck Headlights: These 4X6 LED headlights have high/low beams. The perfect cut-off line is sharp and straight, which will NOT blind others while providing the brightest and widest vision. 6500K on color temperature. It is pure white light. Make your sight on the road clearer.
- Metal Lamp Housing: Made of aluminum alloy, these LED headlights have an excellent heat dissipation bar design. It can make heat dissipation more efficient. This 4X6 headlight’s lifespan is up to 50,000 hours.
- Fitment: These 4x6 led headlights are compatible with most 4x6 inch headlight vehicles, including: Kenworth T800 / T400 / T600, Peterbilt 357 / 378 / 379, Chevy K5 K10 K20 K30 Blazer S10, Chevy Suburban K1500 K3500, Chevy C70 C4500 P40 P60, Chevy W3500 W4500 W5500, Chevy Camaro RS, Silverado V10.
- Package Includes: 4 PCS 4x6 Inch LED Headlights, 1 PCS Instructions, 4 PCS H4 9003 HB2 Wiring Harness

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B079L55PX7 |
| Additional Features | DOT Approved, Dustproof, High Beam & Low Beam, Shockproof, Waterproof |
| Auto Part Position | Front |
| Best Sellers Rank | #35,845 in Automotive ( See Top 100 in Automotive ) #150 in Automotive Headlight Assemblies |
| Brand Name | BICYACO |
| Color | Silver |
| Compatible with Vehicle Type | 1975 - 1985 Cadillac Eldorado; 1975 - 1985 Cadillac Seville, 1975 - 1990 Buick Electra ; 1976 - 1986 Buick LeSabre ; 1982 - 1987 Buick Regal ; 1975 - 1985 Buick Riviera, 1979 - 1983 American Motors Concord; 1980 - 1988 American Motors Eagle; 1979 - 1983 American Motors Spirit, 1979 - 1986 Ford Mustang ; 1993 - 1997 Ford Probe, 1982 - 1992 Chevrolet Camaro ; 1982 - 1987 Chevrolet Cavalier ; 1982 - … |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,553) |
| Included Components | 1 PCS Instructions, 4 PCS 4x6 Inch LED Headlights, 4 PCS H4 9003 HB2 Wiring Harness |
| Lens Color | Clear |
| Lens Material | Polycarbonate |
| Light Source | LED |
| Manufacturer | BICYACO |
| Manufacturer Warranty Description | One year warranty for quality-related issue since purchasing date |
| Model Year | 2018 |
| Specific Uses For Product | Head Lights |
| UPC | 680491812063 |
| Unit Count | 4 Count |
| Voltage | 12 Volts (DC) |
| Wattage | 60 watts |

## Product Details

- **Auto Part Position:** Front
- **Brand:** BICYACO
- **Color:** Silver
- **Light Source Type:** LED
- **Special Feature:** DOT Approved, Dustproof, High Beam & Low Beam, Shockproof, Waterproof
- **Specific Uses For Product:** Head Lights
- **Voltage:** 12 Volts (DC)
- **Wattage:** 60 watts
- **Year:** 2018

## Images

![BICYACO 4 PCS DOT 4x6 Inch LED Headlights Rectangular Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Peterbilt Kenworth Freightliner Ford Probe Oldsmobile Cutlass - Image 1](https://m.media-amazon.com/images/I/81X3z-vooCL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits perfect and super bright
*by T***E on December 31, 2025*

I bought these for replacement of regular halogen H4666 bulbs for my snowway snow plow. They worked great, super easy to install and came with wiring adaptors. Heads and tails brighter than the old yellow lights.. should have done this 2 bulb replacements ago..

### ⭐⭐⭐⭐⭐ The reviews are right. These lights are great... If you can figure out how to wire them up.
*by M***N on November 12, 2019*

I was skeptical. I have about 25% success when it comes to buying anything LED. This one is a success. I installed them on a Chevy W4500 (aka Isuzu NPR). This buy comes with 4 lights. After installing just 2 of them, they were already much brighter than the old sealed beam halogen lights. I almost saved the other 2 lights for another truck but decide what the heck, installed those as well. They have a nice cutoff so you're not blinding other people. And light is focused where you need it. This isn't one of those crappy lights that blinds everyone, yet fails to to light up the area directly in front of the vehicle. Fitment was good. I didn't have to make any modifications. As for wiring... On many vehicles, wiring modification will be required. This is because this light (and most LED lights) are polarized. Halogen lights are not. Meaning, a halogen light doesn't care about polarity (which lead is positive and which is negative). An LED will only work with the correct polarity. That is, there is a negative lead and a positive lead. If you switch them around, it won't light up. Lots of cars wire up the lights in odd ways. They were able to do this because Halogens are not polarized. For instance on my truck, when the low beam is off, the wires are + and +. When the low beam is on, it's + and -. Same goes for the high beam. So, instead of the lights being constantly connected to ground and having the + wire switched off and on, my lights did the opposite. Even with the lights off and ignition switch off, all the wires to the lights had +12V. So, I had to wire up two relays and a fuse to get them working. Other than the 2 hours it took to wire it all up, I had no issues.

### ⭐⭐⭐⭐⭐ Nice and bright
*by P***E on February 23, 2026*

Really bright but wish the were heated love to freeze up in the snow

## Frequently Bought Together

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-17*