---
product_id: 51559784
title: "STP Diesel Complete Fuel System Cleaner 400 ml"
brand: "stp"
price: "£14.75"
currency: GBP
in_stock: true
category: "Stp"
url: https://www.desertcart.co.uk/products/51559784-stp-diesel-complete-fuel-system-cleaner-400-ml
store_origin: GB
region: United Kingdom
---

# 400 ml concentrated power boosts engine efficiency deep cleans diesel fuel system STP Diesel Complete Fuel System Cleaner 400 ml

**Brand:** stp
**Price:** £14.75
**Availability:** ✅ In Stock

## Summary

> ⛽ Clean fuel, cleaner ride — don’t let your engine miss out!

## Quick Answers

- **What is this?** STP Diesel Complete Fuel System Cleaner 400 ml by stp
- **How much does it cost?** £14.75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/51559784-stp-diesel-complete-fuel-system-cleaner-400-ml)

## 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

- • **Engine Efficiency Booster:** Enhances fuel combustion for smoother rides and improved mileage.
- • **Easy-to-Use Liquid Solution:** Simply add to your diesel tank for hassle-free maintenance and lasting protection.
- • **Advanced Diesel System Cleaning:** Effectively removes deposits to restore peak engine performance and reduce emissions.
- • **Long-lasting Concentrated Formula:** Maximize every drop with 400 ml of potent diesel fuel system cleaner.
- • **Trusted Brand with Proven Results:** Backed by 4.5-star reviews and a global leader in automotive care.

## Overview

STP Diesel Complete Fuel System Cleaner is a 400 ml concentrated liquid designed to deep clean diesel fuel systems, improving engine efficiency and reducing harmful deposits. Trusted by thousands with a 4.5-star rating, it offers a simple, effective solution for maintaining optimal diesel engine performance.

## Description

Buy STP Diesel Complete Fuel System Cleaner 400 ml at desertcart UK. Free delivery on eligible orders.

## Features

- May be fatal if swallowed and enters airways.
- Repeated exposure may cause skin dryness or cracking.
- car parts

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00A0JJI4K |
| Best Sellers Rank | 45,362 in Automotive ( See Top 100 in Automotive ) 264 in Fuel Systems |
| Brand Name | STP |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.5 4.5 out of 5 stars (150) |
| Global Trade Identification Number | 05020144800873 |
| Included Components | 1 bottle |
| Item Form | Liquid |
| Item Type Name | Car System Cleaner |
| Item Volume | 400 Millilitres |
| Item Weight | 380 Grams |
| Manufacturer | Armored Auto Group Sales Inc. |
| Material Features | concentrated cleaning power |
| Material Type Free | No_Material_Type_Free |
| Model Number | GST65400EN |
| Number of Items | 1 |
| Part Number | GST65400EN |
| Scent | Unscented |
| Size | 400 ml (Pack of 1) |
| Special Features | diesel fuel system cleaner |
| Specific Uses For Product | Engine |
| Surface Recommendation | Metal |
| Unit Count | 400.0 millilitre |

## Product Details

- **Brand:** STP
- **Item form:** Liquid
- **Item volume:** 400 Millilitres
- **Material Type Free:** No_Material_Type_Free
- **Material feature:** concentrated cleaning power
- **Scent:** Unscented
- **Special feature:** diesel fuel system cleaner
- **Specific uses for product:** Engine
- **Surface recommendation:** Metal
- **Unit count:** 400.0 millilitre

## Images

![STP Diesel Complete Fuel System Cleaner 400 ml - Image 1](https://m.media-amazon.com/images/I/8136i7wHvvL.jpg)

## 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 Diesel Complete Fuel System Cleaner 400 ml
- STP Diesel Particulate Filter Cleaner 200 ml, Cleans and Protects Your Filter by Removing Soot in One Treatment, Restores Power and Acceleration, Mechanical Car Cleaning Products, Made in the UK
- STP GST59200EN Diesel Injector Cleaner 200 ml,Packaging/label may vary

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**Shop now:** [https://www.desertcart.co.uk/products/51559784-stp-diesel-complete-fuel-system-cleaner-400-ml](https://www.desertcart.co.uk/products/51559784-stp-diesel-complete-fuel-system-cleaner-400-ml)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-19*