---
product_id: 15375915
title: "Prestone AS240 Windshield Washer Fluid Booster De-Icer Additive - 15.5 oz."
brand: "prestone"
price: "S$20"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/15375915-prestone-as240-windshield-washer-fluid-booster-de-icer-additive-15
store_origin: SG
region: Singapore
---

# Compatible with any washer fluid Precise ice-melting alcohol blend Lowers freeze point by 20°F Prestone AS240 Windshield Washer Fluid Booster De-Icer Additive - 15.5 oz.

**Brand:** prestone
**Price:** S$20
**Availability:** ✅ In Stock

## Summary

> ❄️ Stay Frost-Free, Drive Fearlessly!

## Quick Answers

- **What is this?** Prestone AS240 Windshield Washer Fluid Booster De-Icer Additive - 15.5 oz. by prestone
- **How much does it cost?** S$20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/15375915-prestone-as240-windshield-washer-fluid-booster-de-icer-additive-15)

## Best For

- prestone enthusiasts

## Why This Product

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

## Key Features

- • **Freeze Fighter:** Lowers freeze point by at least 20 degrees to keep your windshield fluid flowing
- • **Defrost Like a Pro:** Melts light ice and frost instantly for crystal-clear visibility
- • **Fragrance-Free Formula:** Keeps your car fresh without overpowering scents—just pure performance
- • **Universal Compatibility:** Works seamlessly with any blue washer fluid—no guesswork needed
- • **Premium Cold-Weather Performance:** Engineered with a precise blend of ice-melting alcohols for reliable results even in extreme cold

## Overview

Prestone AS240 is a 15.5 oz. windshield washer fluid booster and de-icer additive that enhances your washer fluid’s ability to melt light ice and frost. Its advanced blend of ice-melting alcohols lowers the freeze point by 20°F, ensuring premium performance in freezing temperatures. Compatible with any washer fluid and fragrance-free, it’s the essential winter upgrade for clear, safe driving.

## Description

Prestone Windshield Washer Fluid Booster De-Icer Additive improves the melting of light ice and frost when added to ordinary blue washer fluid. This product is a precise blend of ice-melting alcohols that ensures premium performance at even very low temperatures. The robust formula is designed for use with any washer fluid to provide premium performance.

## Features

- Improves the melting of light ice and frost
- Precise blend of ice-melting alcohols
- Premium performance at even very low temperatures
- Lowers freeze point by at least 20 degrees
- Designed for use with any washer fluid

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0044FV9L6 |
| Best Sellers Rank | #225,053 in Automotive ( See Top 100 in Automotive ) #75 in Windshield Washer Fluids |
| Brand | Prestone |
| Brand Name | Prestone |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.4 out of 5 stars 398 Reviews |
| Global Trade Identification Number | 00797496861825 |
| Included Components | Prestone |
| Item Form | Liquid |
| Item Type Name | Prestone AS240 Windshield Washer Fluid Booster De-Icer Additive - 15.5 oz. |
| Item Volume | 15.5 Fluid Ounces |
| Manufacturer | Prestone |
| Material Feature | Fragrance Free |
| Material Features | Fragrance Free |
| Model Number | PRESTONE - AS240 |
| Number of Items | 1 |
| Part Number | AS240 |
| Scent | Unscented |
| Size | 15.5 Fl Oz (Pack of 1) |
| Special Features | All Purpose |
| Specific Uses For Product | Windshield |
| Surface Recommendation | Stainless Steel |
| UPC | 797496861825 |
| Unit Count | 15.5 Fluid Ounces |
| Warranty Description | Warranty |

## Product Details

- **Brand:** Prestone
- **Item Form:** Liquid
- **Material Feature:** Fragrance Free
- **Scent:** Unscented
- **Specific Uses For Product:** Windshield

## Images

![Prestone AS240 Windshield Washer Fluid Booster De-Icer Additive - 15.5 oz. - Image 1](https://m.media-amazon.com/images/I/510eX2jcw8L.jpg)

## Frequently Bought Together

- Prestone AS240 Windshield Washer Fluid Booster De-Icer Additive - 15.5 oz.
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**Shop now:** [https://www.desertcart.sg/products/15375915-prestone-as240-windshield-washer-fluid-booster-de-icer-additive-15](https://www.desertcart.sg/products/15375915-prestone-as240-windshield-washer-fluid-booster-de-icer-additive-15)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-07-19*