---
product_id: 627792715
title: "T3 7443 7440 LED Bulb Reverse light with Built In Resistor Canbus Ready 7441 7444 W21W LED White Bulb for Backup Parking Daytime Running Light Side Marker Turn Signal(2pcs)"
brand: "lasfit"
price: "฿4666"
currency: THB
in_stock: true
reviews_count: 13
category: "Lasfit"
url: https://www.desertcart.co.th/products/627792715-t3-7443-7440-led-bulb-reverse-light-with-built-in
store_origin: TH
region: Thailand
---

# 500% brighter output Advanced heat dissipation tech Built-in resistor for error-free fit T3 7443 7440 LED Bulb Reverse light with Built In Resistor Canbus Ready 7441 7444 W21W LED White Bulb for Backup Parking Daytime Running Light Side Marker Turn Signal(2pcs)

**Brand:** lasfit
**Price:** ฿4666
**Availability:** ✅ In Stock

## Summary

> 🚗 Light Up Your Drive, Leave Halogens in the Dust!

## Quick Answers

- **What is this?** T3 7443 7440 LED Bulb Reverse light with Built In Resistor Canbus Ready 7441 7444 W21W LED White Bulb for Backup Parking Daytime Running Light Side Marker Turn Signal(2pcs) by lasfit
- **How much does it cost?** ฿4666 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/627792715-t3-7443-7440-led-bulb-reverse-light-with-built-in)

## Best For

- lasfit enthusiasts

## Why This Product

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

## Key Features

- • **Safety Meets Style:** Integrated load mini fuses protect your vehicle’s electrical system while delivering hyper-flash-free, eye-catching illumination that commands attention.
- • **Cool Under Pressure:** Aviation-grade aluminum body with smart temperature control keeps your bulbs running cooler and lasting longer on every journey.
- • **Plug & Play Perfection:** Canbus-ready with built-in resistor—no wiring hacks, no error codes, just seamless installation and flawless performance.
- • **Brilliant 6000K Pure White Glow:** Illuminate your ride with 4000 lumens of crisp, daylight-bright LED power for unmatched visibility and style.
- • **Versatile Fitment for Every Signal:** Compatible with multiple socket types (7443, 7440, 7441, 7444, W21W) for reverse, turn, brake, and marker lights—upgrade your entire lighting system effortlessly.

## Overview

The LASFIT T3 7443 7440 LED bulbs deliver a 500% brightness boost with 4000 lumens of 6000K pure white light, featuring built-in resistors for error-free Canbus compatibility. Designed with aviation aluminum and intelligent temperature control, these bulbs ensure superior heat dissipation and a long 30,000-hour lifespan. Compatible with multiple socket types, they offer versatile use for reverse, turn, brake, and marker lights, combining safety, style, and easy plug-and-play installation for a modernized driving experience.

## Description

Buy LASFIT T3 7443 7440 LED Bulb Reverse light with Built In Resistor Canbus Ready 7441 7444 W21W LED White Bulb for Backup Parking Daytime Running Light Side Marker Turn Signal(2pcs): Turn Signal Bulbs - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Easiest Car Mod Ever - This LED switchback turn signal replacement works amazing in my 2008 Hyundai Tiburon. It was extremely easy to install - truly plug and play and it fit perfect. No hyper flashing or other electrical issues. They are much brighter than my halogens, so definitely safer for people to see me. Additionally, they make my clear look super slick and clean - like it's about a decade newer. I highly recommend it to anyone who has a car that fits this socket. I will buy from them again if my next car has halogen lights.
Review: Very bright & easy install - Nice & bright..easy plug-N-play on the tail light LED’s..& reverse lights while easy to install, we’re polarity sensitive..got lucky & put both in the right way the first time..currently working very well and would definitely recommend

## Features

- 【Error Free】 7440 7443 led bulb with built in resistor, solve the decoding problems of 99% vehicles. Perfectly fits for front/rear turn signals, no more having to hack your wiring to ensure you avoid "bulb-out" warnings, no more hyper flash.
- 【500% Increase Brightness】The upgraded 7440 LED light bulb with high-brightness 3030-SMD chips.360° full view angle, No dark spots, No shadow, One pair bulbs have 48w, 4000lm power, delivering 6000K pure white color lighting output for superior visibility.
- 【Efficient Heat Dissipation】7440 led reverse light bulb Adopting aviation aluminum body design and built-in intelligent temperature control IC has excellent thermal conductivity, It features layers of design that keep this bulb cool on the hottest of days, long life span to accompany you on longer journeys
- 【Fitment】7443 7440 7444na T20 7441 7444 992 W21W LED bulb can be used for reverse backup bulb, tail lights, brake lights, daytime running lights, side marker lights rear lights, blinker light bulb,parking lights etc.
- 【Drive Safely】Load MINI fuses is a core part of the this bulb's foundation, protect the bulbs and your cars against the instantaneous high current, you will experience greater safety from a brighter light, better performance through its unique design.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CYKP91MW |
| Auto Part Position | Right |
| Best Sellers Rank | #428 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Combo Turn Signal & Side Marker Light Assemblies |
| Brand | LASFIT |
| Bulb Shape Size | T3 |
| Color | White |
| Customer Reviews | 4.5 4.5 out of 5 stars (6,858) |
| Date First Available | March 20, 2024 |
| Item Package Quantity | 1 |
| Item Weight | 1.76 ounces |
| Item model number | T3-7443 |
| Manufacturer | LASFIT |
| Manufacturer Part Number | T3-7443 |
| Operating Life | 30000 Hours |
| Product Dimensions | 2.17 x 0.79 x 0.79 inches |

## Product Details

- **Brand:** LASFIT
- **Color:** White
- **Fit Type:** Universal Fit
- **Item Package Quantity:** 1
- **Wattage:** 48 watts

## Images

![T3 7443 7440 LED Bulb Reverse light with Built In Resistor Canbus Ready 7441 7444 W21W LED White Bulb for Backup Parking Daytime Running Light Side Marker Turn Signal(2pcs) - Image 1](https://m.media-amazon.com/images/I/71iuQRIqCEL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easiest Car Mod Ever
*by L***S on January 15, 2026*

This LED switchback turn signal replacement works amazing in my 2008 Hyundai Tiburon. It was extremely easy to install - truly plug and play and it fit perfect. No hyper flashing or other electrical issues. They are much brighter than my halogens, so definitely safer for people to see me. Additionally, they make my clear look super slick and clean - like it's about a decade newer. I highly recommend it to anyone who has a car that fits this socket. I will buy from them again if my next car has halogen lights.

### ⭐⭐⭐⭐⭐ Very bright & easy install
*by C***R on February 22, 2026*

Nice & bright..easy plug-N-play on the tail light LED’s..& reverse lights while easy to install, we’re polarity sensitive..got lucky & put both in the right way the first time..currently working very well and would definitely recommend

### ⭐⭐⭐⭐⭐ As bright as everyone says
*by N***K on February 16, 2026*

My 2019 Silverado Trail Boss factory reverse lights were ok but pretty dim after 7 years. I bought these before those burnt out, and these will light up my entire 100' driveway and then some. I can see everything. My backup camera looks like daylight. I highly recommend them. The install was effortless. The rear light housing came out in a minute, and these just snap right in where the old ones were. They say you need to get the polarity right, so test them before you reinstall the housings. I got mine right the first time both times, either by luck or they don't need to be installed a certain way. I have had these a week, and I have zero problems. I only have nice things to say, and they're a great value for the price.

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**Shop now:** [https://www.desertcart.co.th/products/627792715-t3-7443-7440-led-bulb-reverse-light-with-built-in](https://www.desertcart.co.th/products/627792715-t3-7443-7440-led-bulb-reverse-light-with-built-in)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-26*