---
product_id: 560343489
title: "Stp 17921 Synthetic Dot 4 Brake Fluid, 12 Fl. Oz."
brand: "stp"
price: "80 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/560343489-stp-17921-synthetic-dot-4-brake-fluid-12-fl-oz
store_origin: PL
region: Poland
---

# Prevents vapor lock brake failure High dry boiling point 270°C+ Superior corrosion protection Stp 17921 Synthetic Dot 4 Brake Fluid, 12 Fl. Oz.

**Brand:** stp
**Price:** 80 zł
**Availability:** ✅ In Stock

## Summary

> 🛑 Stop at nothing with STP’s high-performance DOT 4 brake fluid!

## Quick Answers

- **What is this?** Stp 17921 Synthetic Dot 4 Brake Fluid, 12 Fl. Oz. by stp
- **How much does it cost?** 80 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/560343489-stp-17921-synthetic-dot-4-brake-fluid-12-fl-oz)

## Best For

- stp enthusiasts

## Why This Product

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

## Key Features

- • **Vapor Lock? Not Here!:** Minimizes risk of brake failure caused by vapor lock for safer drives
- • **Trusted Brand Reliability:** STP quality engineered for professional-grade vehicle maintenance
- • **Unmatched Heat Resistance:** Boosts dry boiling point for consistent, fail-safe braking under pressure
- • **Precision Viscosity Control:** Optimized fluid thickness ensures smooth, responsive brake performance every time
- • **Ultimate Brake System Defense:** Formulated to prevent corrosion, extending your brake system’s lifespan

## Overview

STP 17921 Synthetic DOT 4 Brake Fluid (12 fl. oz.) delivers superior heat resistance with a high dry boiling point, protects your brake system from corrosion, and prevents vapor lock-induced brake failure. Engineered with controlled viscosity for optimal braking response, it’s the professional’s choice for reliable, long-lasting brake performance.

## Description

Stp 17921 Synthetic Dot 4 Brake Fluid, 12 Fl. Oz.

## Features

- Increases dry boiling point to ensure maximum life and reliable braking power
- Helps provide protection against brake failure from vapor lock
- Helps prevent corrosion in brake system

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | STP |
| Brand | STP |
| Model | STP Brk Fld DOT4 BTL 6/12fo US |
| Product Dimensions | 7 x 7 x 14 cm; 354 g |
| Item model number | 18670 |
| Manufacturer Part Number | 17921 |
| Item Weight | 354 g |
| Viscosity | Controlled, Optimum Viscosity for DOT 4 Brake Fluid |

## Product Details

- **Material:** Synthetic,Abs
- **Brand:** STP
- **Package information:** Bottle
- **Liquid volume:** 12 Fluid Ounces
- **Item weight:** 0.35 Kilograms

## Images

![Stp 17921 Synthetic Dot 4 Brake Fluid, 12 Fl. Oz. - Image 1](https://m.media-amazon.com/images/I/71MQ4MTD-dL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is this good for a 2003 Chevy Blazer?**
A: As long as your blazer requires dot 3 brake fluid it should work fine. I used it in a 2011 f150.

**Q: is this a synthetic brake fluid? i need original non synthetic dot iii brake fluid and can't seem to find it.**
A: Kindly note that you can find the original one, it's distributed nationally through the largest retail, discount, auto, and convenience store chains. And it's Clean all dirt from around cover on master cylinder before removing. Fill unit to level specified by manufacturer. Replace cover. Check fluid level once a month.

**Q: Can I use this in my 1991 Cadillac Brougham?**
A: I don't know for certain, but check the DOT specification recommended in your owner's manual. The DOT specification also may be indicated somewhere on the reservoir cover

**Q: Can this be use For Honda Civic si sedan 2015?**
A: I'm not. ... FON---DA  OF. HONDA ,😱 SO I DON'T KNOW.

## Frequently Bought Together

- STP Synthetic Brake Fluid, Dot 4 Brake Fluid Protects Brake Systems, ABS, Disc and Drum Systems, 12 Oz, STP
- PEAK 50/50 Prediluted Antifreeze and Coolant for All Engine Cooling Systems

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**Shop now:** [https://www.desertcart.pl/products/560343489-stp-17921-synthetic-dot-4-brake-fluid-12-fl-oz](https://www.desertcart.pl/products/560343489-stp-17921-synthetic-dot-4-brake-fluid-12-fl-oz)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-23*