---
product_id: 261562324
title: "STP Emissions Reducer Diesel, 400 ML"
brand: "stp"
price: "€ 27.59"
currency: EUR
in_stock: true
reviews_count: 2
category: "Stp"
url: https://www.desertcart.com.cy/products/261562324-stp-emissions-reducer-diesel-400-ml
store_origin: CY
region: Cyprus
---

# Works within one tank before test Cuts harmful emissions by up to 30% 400ml concentrated fuel system cleaner STP Emissions Reducer Diesel, 400 ML

**Brand:** stp
**Price:** € 27.59
**Availability:** ✅ In Stock

## Summary

> ♻️ Drive Clean, Pass Proud – Emissions Mastered!

## Quick Answers

- **What is this?** STP Emissions Reducer Diesel, 400 ML by stp
- **How much does it cost?** € 27.59 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/261562324-stp-emissions-reducer-diesel-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

- • **Simple One-Tank Solution:** Just add before your test for hassle-free emission reduction
- • **Eco-Friendly Drive, Every Time:** Supports compliance with Euro 6 standards for cleaner air
- • **Deep-Cleans Fuel System Components:** Targets and removes buildup that impacts emissions performance
- • **Trusted by Diesel Drivers Across Europe:** Highly rated with proven results and easy application
- • **Pass Your Emissions Test with Confidence:** Formulated to reduce NOx, CO, and HC emissions effectively

## Overview

STP Emissions Reducer Diesel (400ml) is a powerful fuel additive designed to reduce harmful exhaust emissions and clean critical fuel system components. Ideal for diesel vehicles facing stringent Euro 6 emission tests, it helps drivers pass MOT emissions checks by lowering nitrogen oxides, carbon monoxide, and hydrocarbons. Easy to use—simply add one tank before your test—and trusted by drivers across Europe for a cleaner, compliant ride.

## Description

Stp. Emissions reducer - diesel-reduce emission levels before your mot test. Clean components that affect emissions. Keep key fuel system components clean. Reduce emissions. Stp emissions reducer - diesel is a simple solution designed to help vehicles pass their emissions test. In most of europe, vehicle emissions are tested as part of their annual/bi-annual vehicle safety check. In some countries, vehicles with high emission levels are deemed as not roadworthy. Stp emissions reducer- diesel is designed to clean and keep clean components that affect emissions. Car manufacturers have been working hard to drive down vehicle emissions of all types for many years, despite recent scandals. Since 1992, european union regulations have been imposed on new cars, with the aim of improving air quality. The current euro 6 emissions standard is the toughest standard yet and has the potential to eliminate the majority of exhaust pollutants that have an impact on air quality. The aim of euro emissions standards is to reduce the levels of harmful exhaust emissions: nitrogen oxides (nox), carbon monoxide (co) and hydrocarbons (hc). In most of europe, vehicle emissions are tested as part of their annual/bi-annual vehicle safety check. In some countries, vehicles with high emission levels are deemed as not roadworthy. Stp emissions reducer is a simple solution to help vehicles pass their emissions test. Directions: simply add to your fuel one tank before your scheduled emissions test.

Review: Dizel aracımın emisyon testinden on gün önce dolu depoya koyup kullandım. Sorunsuz geçti, işe yaradığını düşünüyorum.
Review: Spot on item

## Features

- Reduces exhaust emissions
- Cleans components that affect emissions
- Keeps key fuel system components clean

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B076HRW8HY |
| Best Sellers Rank | #125,054 in Automotive ( See Top 100 in Automotive ) #391 in Oil & Fluid Additives |
| Brand | STP |
| Customer Reviews | 5.0 5.0 out of 5 stars (6) |
| Date First Available | 10 May 2018 |
| Item Weight | 386 g |
| Item model number | GST79400EN |
| Manufacturer | STP |
| Manufacturer Part Number | GST79400EN |
| Model | Diesel |
| Product Dimensions | 4.5 x 9.9 x 22.8 cm; 386.97 g |

## Images

![STP Emissions Reducer Diesel, 400 ML - Image 1](https://m.media-amazon.com/images/I/81JdsqM7NFL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***K on 18 December 2025*

Dizel aracımın emisyon testinden on gün önce dolu depoya koyup kullandım. Sorunsuz geçti, işe yaradığını düşünüyorum.

### ⭐⭐⭐⭐⭐ Review
*by A***R on 10 December 2019*

Spot on item

## Frequently Bought Together

- STP Emissions Reducer Diesel 400 ml
- LIQUI MOLY Oil Additive | 300 ml | Oil additive | SKU: 2591
- STP Diesel High Milage Injector Cleaner 200 ml, Cleans and Protects your Engine for 300 miles, Enhances Fuel Economy, Mechanical Car Cleaning Products, Concentrated Cleaning Formula, Made in the UK

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**Shop now:** [https://www.desertcart.com.cy/products/261562324-stp-emissions-reducer-diesel-400-ml](https://www.desertcart.com.cy/products/261562324-stp-emissions-reducer-diesel-400-ml)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-02-22*