---
product_id: 456809563
title: "STP Gas Treatment, 5.25 fluid ounces, 18039, Fuel Additive"
brand: "STP"
price: "R137"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/456809563-stp-gas-treatment-5-25-fluid-ounces-18039-fuel-additive
store_origin: ZA
region: South Africa
---

# STP Gas Treatment, 5.25 fluid ounces, 18039, Fuel Additive

**Brand:** STP
**Price:** R137
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** STP Gas Treatment, 5.25 fluid ounces, 18039, Fuel Additive by STP
- **How much does it cost?** R137 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/456809563-stp-gas-treatment-5-25-fluid-ounces-18039-fuel-additive)

## Best For

- STP enthusiasts

## Why This Product

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

## Description

STP Gas Treatment (5.25 fluid ounces) improves the quality of gas by adding powerful cleaning agents that help fight the accumulation of harmful carbon, gum and varnish deposits in the fuel system that can reduce performance. Also engineered to remove water, which can lead to fuel line freeze. This product is made with jet fuel, a high-quality carrier of active ingredients. Use regularly when you fill up your tank. STP Gas Treatment is safe for any gasoline engine. This product is compatible with cap‑less gas systems.  STP Gas Treatment (5.25 fluid ounces):    Improves the quality of gas and helps keep your fuel injectors and intake valves clean with regular use  Save gas by keeping fuel intake system clean  Prevent fuel line freeze  Prevent deposit buildup  5.25 fluid ounce bottle treats up to 21 gallons of gasoline  This product is compatible with cap‑less gas systems

## Images

![STP Gas Treatment, 5.25 fluid ounces, 18039, Fuel Additive - Image 1](https://i5.walmartimages.com/asr/a161cdec-0c3e-4261-bc79-20efccac82ee_1.2cd1010193e73c47c96c1ece5830ff3c.jpeg)
![STP Gas Treatment, 5.25 fluid ounces, 18039, Fuel Additive - Image 2](https://i5.walmartimages.com/asr/121d7c49-166e-4615-a5ab-87fa57433e05.dafa124ccee158023f28aaf7b38376f4.jpeg)
![STP Gas Treatment, 5.25 fluid ounces, 18039, Fuel Additive - Image 3](https://i5.walmartimages.com/asr/4e8992bf-2e7b-4444-a52c-6af8dd1fd4c4.cf9be1136b52da354766b5c0cc1fd909.jpeg)
![STP Gas Treatment, 5.25 fluid ounces, 18039, Fuel Additive - Image 4](https://i5.walmartimages.com/asr/711a0944-01b1-4ee5-bfac-d658208285c0.f8fe491343a03134b7250f8f5f9253b3.png)

---

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**Shop now:** [https://www.desertcart.co.za/products/456809563-stp-gas-treatment-5-25-fluid-ounces-18039-fuel-additive](https://www.desertcart.co.za/products/456809563-stp-gas-treatment-5-25-fluid-ounces-18039-fuel-additive)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-17*