---
product_id: 47954805
title: "STP Petrol Fuel System Cleaner 400ml"
brand: "stp"
price: "R807"
currency: ZAR
in_stock: true
category: "Stp"
url: https://www.desertcart.co.za/products/47954805-stp-petrol-fuel-system-cleaner-400ml
store_origin: ZA
region: South Africa
---

# 400ml concentrated fuel system cleaner improves fuel economy & reduces emissions cleans injectors & intake valves STP Petrol Fuel System Cleaner 400ml

**Brand:** stp
**Price:** R807
**Availability:** ✅ In Stock

## Summary

> ⛽ Clean fuel, cleaner ride, smarter drive.

## Quick Answers

- **What is this?** STP Petrol Fuel System Cleaner 400ml by stp
- **How much does it cost?** R807 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/47954805-stp-petrol-fuel-system-cleaner-400ml)

## 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

- • **Eco-Friendly Drive:** Lowers harmful emissions and engine knocking for a cleaner ride
- • **Effortless Maintenance:** Just pour before refueling—compatible with most petrol cars
- • **Fuel Efficiency Booster:** Optimizes combustion to stretch every drop of petrol further
- • **Complete Fuel System Detox:** Advanced formula targets injectors, valves & fuel lines for peak engine health
- • **Power & Performance Revival:** Eliminates deposits that drag down acceleration and throttle response

## Overview

STP Petrol Fuel System Cleaner is a 400ml concentrated additive designed to clean and condition your petrol engine’s entire fuel system. It removes harmful deposits from injectors and intake valves, restoring engine power, improving fuel economy, and reducing emissions. Easy to use and compatible with most petrol vehicles, it ensures smoother performance and a more efficient drive.

## Description

Concentrated formula cleans and conditions your car's entire fuel delivery system, removing deposits to recover peak engine performance and fuel efficiency.

## Features

- Causes severe skin burns and eye damage.
- Harmful to aquatic life with long lasting effects.
- May be fatal if swallowed and enters airways.
- May cause an allergic skin reaction.
- Repeated exposure may cause skin dryness or cracking.
- STP Complete Fuel System Cleaner Petrol 400ml, to improve engine performance
- Restores Performance: Specially formulated to help restore your car’s fuel system to optimum efficiency
- Removes deposits: Just one treatment of this petrol fuel system cleaner dissolves deposits from the entire fuel system
- Lowers Emissions: This car fuel system cleaner helps reduce exhaust emissions and lower fuel consumption
- Reduces Hard Starts: A cleaner fuel system can give you a smoother driving experience
- Quick & Easy: Simply add to your fuel tank every 4000 miles
- For All Petrol Engines: Suitable for both classic and modern engines, and for catalytic converters

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00BPUYPB4 |
| Best Sellers Rank | 164 in Automotive ( See Top 100 in Automotive ) 9 in Fuel Systems |
| Brand | STP |
| Customer Reviews | 4.5 4.5 out of 5 stars (805) |
| Date First Available | 6 Feb. 2013 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Guaranteed software updates until | unknown |
| Item Weight | 400 g |
| Item model number | ST50400EN |
| Manufacturer | STP |
| Manufacturer part number | ST50400EN |
| Model | ST50400EN |
| Product Dimensions | 35.35 x 16.73 x 7.13 cm; 400 g |
| Special Features | Concentrated |

## Product Details

- **Brand:** STP
- **Item form:** Liquid
- **Item volume:** 400 Millilitres
- **Item weight:** 400 Grams
- **Material feature:** Non-Toxic
- **Number of items:** 1
- **Scent:** Unscented
- **Special feature:** Concentrated
- **Specific uses for product:** Engine
- **Unit count:** 400.0 millilitre

## Images

![STP Petrol Fuel System Cleaner 400ml - Image 1](https://m.media-amazon.com/images/I/616O3WaIc1L.jpg)

## Available Options

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

## Questions & Answers

**Q: Hi, I know this has been asked already but is this safe to use on a motorbike?**
A: Hi yes. I use it on my old Norton. Works wonders but don't use the whole bottle

**Q: Will this restore old petroleum in my boat fuel tank**
A: Don't know about boat, but my husband said it was great in the car. Hope this helps a bit

**Q: Can I use both the 5 in 1 cleaner and injection cleaner in one full tank?**
A: You could but I wouldn't.  Both products have properties that help clean various parts from the Fuel Tank to the Combustion chamber. In fact the description of both products show 1-2 identical properties. Just use one and then the other after doing a the guide line of 3-4 thousand miles.

**Q: Can this go in a 4 stroke petrol moped?**
A: Yes no problem

## Frequently Bought Together

- STP GST50400EN ST50400EN Complete Petrol Fuel System Cleanner, 400 ml
- STP Petrol Injector Cleaner 200 ml, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Mechanical Car Cleaning Products, Made in the UK
- Redex Petrol System Cleaner 250ml, Petrol Injector Cleaner To Remove Harmful Deposits, Maximise Performance & Increase Fuel Economy With Redex Fuel Additives For Petrol Engines, Suitable For Hybrids

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**Shop now:** [https://www.desertcart.co.za/products/47954805-stp-petrol-fuel-system-cleaner-400ml](https://www.desertcart.co.za/products/47954805-stp-petrol-fuel-system-cleaner-400ml)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-10-25*