---
product_id: 425142697
title: "Smilyeez Listing for BG K5901 Cooling System Flush Coolant Service Kit BG Universal Cooling System Cleaner PN 540 & BG Universal PN 546"
brand: "smilyeez"
price: "€ 73.38"
currency: EUR
in_stock: true
reviews_count: 4
category: "Smilyeez"
url: https://www.desertcart.it/products/425142697-smilyeez-listing-for-bg-k5901-cooling-system-flush-coolant-service
store_origin: IT
region: Italy
---

# Extends coolant life Reduces overheating risk Flushes rust & sludge Smilyeez Listing for BG K5901 Cooling System Flush Coolant Service Kit BG Universal Cooling System Cleaner PN 540 & BG Universal PN 546

**Brand:** smilyeez
**Price:** € 73.38
**Availability:** ✅ In Stock

## Summary

> ❄️ Keep your engine chill and your drive smooth — don’t let overheating slow you down!

## Quick Answers

- **What is this?** Smilyeez Listing for BG K5901 Cooling System Flush Coolant Service Kit BG Universal Cooling System Cleaner PN 540 & BG Universal PN 546 by smilyeez
- **How much does it cost?** € 73.38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/425142697-smilyeez-listing-for-bg-k5901-cooling-system-flush-coolant-service)

## Best For

- smilyeez enthusiasts

## Why This Product

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

## Key Features

- • **Overheat Protection:** Significantly reduces the chance of engine overheating, keeping your ride reliable.
- • **Trusted by Enthusiasts:** Highly rated with a 4.7-star average, proven to revive even long-neglected engines.
- • **Maximize Coolant Longevity:** Extends the life of your coolant, saving you time and money on frequent replacements.
- • **Prolongs Cooling System Health:** Helps extend the lifespan of critical cooling components for long-term durability.
- • **Deep Clean for Peak Performance:** Removes rust, scale, and sludge to restore your cooling system’s efficiency.

## Overview

The Smilyeez BG K5901 Cooling System Flush Kit is a professional-grade solution designed to remove rust, scale, and sludge buildup in vehicle cooling systems. It improves cooling efficiency, extends coolant life, reduces overheating risks, and helps prolong the lifespan of cooling system components. With a strong 4.7-star rating and proven results, it’s the go-to maintenance kit for millennial professionals who demand reliability and performance from their vehicles.

## Description

Buy Smilyeez Listing for BG K5901 Cooling System Flush Coolant Service Kit BG Universal Cooling System Cleaner PN 540 & BG Universal PN 546: Cooling System - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: lo utilice para lavar un sistema de refrigeracion de un motor de mustang que tenia 7 años sin encenderse, lo dejo como nuevo, aunque tuve que cambiar la bomba del agua. Lo recomiendo 100%
Review: Good - I like it

## Features

- Remove rust, scale and sludge from cooling system.
- Improves cooling system function.
- Extends coolant life.
- Reduces the chance of overheating.
- Can extend the life of cooling system components.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09WN92QBL |
| Best Sellers Rank | #172,865 in Automotive ( See Top 100 in Automotive ) #37 in Cooling System Additives |
| Brand | Smilyeez |
| Customer Reviews | 4.7 4.7 out of 5 stars (39) |
| Date First Available | March 28, 2022 |
| Item Weight | 1.9 pounds |
| Manufacturer | BG Products |
| Manufacturer Part Number | 5901 |
| Package Dimensions | 6 x 5 x 3 inches |

## Images

![Smilyeez Listing for BG K5901 Cooling System Flush Coolant Service Kit BG Universal Cooling System Cleaner PN 540 & BG Universal PN 546 - Image 1](https://m.media-amazon.com/images/I/71gKBRi-ztL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***. on September 2, 2024*

lo utilice para lavar un sistema de refrigeracion de un motor de mustang que tenia 7 años sin encenderse, lo dejo como nuevo, aunque tuve que cambiar la bomba del agua. Lo recomiendo 100%

### ⭐⭐⭐⭐⭐ Good
*by S***D on October 25, 2023*

I like it

### ⭐⭐⭐ Have to buy 2to get 1 product
*by R***H on September 28, 2023*

My radiator was fine- why buy 2?

## Frequently Bought Together

- Smilyeez Listing for BG K5901 Cooling System Flush Coolant Service Kit BG Universal Cooling System Cleaner PN 540 & BG Universal PN 546
- Smilyeez Listing for BG Transmission Service Flush Kit PN K6600 Includes PM 106 Cleaner & PN 310 Conditioner with Pocket Screw Driver (1 Kit)
- New BG 44K Platinum, EPR, MOA

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**Shop now:** [https://www.desertcart.it/products/425142697-smilyeez-listing-for-bg-k5901-cooling-system-flush-coolant-service](https://www.desertcart.it/products/425142697-smilyeez-listing-for-bg-k5901-cooling-system-flush-coolant-service)

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-03-14*