---
product_id: 46138084
title: "Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 3L (120018CAT)"
brand: "cataclean"
price: "€ 211.89"
currency: EUR
in_stock: true
reviews_count: 13
category: "Cataclean"
url: https://www.desertcart.gr/products/46138084-fuel-and-exhaust-system-cleaner-pass-emissions-tests-clear-check
store_origin: GR
region: Greece
---

# Improves fuel economy & engine power Clears common check engine codes 50% hydrocarbon emission reduction Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 3L (120018CAT)

**Brand:** cataclean
**Price:** € 211.89
**Availability:** ✅ In Stock

## Summary

> 🚗 Clean fuel, clear lights, and greener drives—your car’s secret weapon!

## Quick Answers

- **What is this?** Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 3L (120018CAT) by cataclean
- **How much does it cost?** € 211.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/46138084-fuel-and-exhaust-system-cleaner-pass-emissions-tests-clear-check)

## Best For

- cataclean enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Maintenance:** Just pour into your fuel tank—no tools, no hassle, 50-state legal for all gasoline, diesel, and hybrid engines.
- • **Boost Fuel Efficiency & Power:** Clean fuel injectors and cylinder heads for smoother rides and better mileage.
- • **Clear Check Engine Lights Fast:** Target common trouble codes (P0420, P0430, etc.) and avoid costly repairs.
- • **Pass Emissions with Confidence:** Slash hydrocarbon emissions by up to 50% and breeze through smog tests like a pro.
- • **Prolong Catalytic Converter Life:** Prevent carbon build-up to keep your converter running at peak efficiency.

## Overview

Cataclean Fuel & Exhaust System Cleaner is a powerful 3L additive designed to reduce carbon build-up, lower hydrocarbon emissions by up to 50%, and restore catalytic converters, DPF filters, and oxygen sensors. It improves fuel economy, clears common check engine codes, and helps vehicles pass stringent emissions tests across all gasoline, diesel, and hybrid engines with easy, tool-free application.

## Description

Product description

## Features

- Pass Emissions Tests with Confidence: Cataclean is specifically formulated to reduce carbon build-up and clean vital components like catalytic converters, DPF filters and oxygen sensors, helping your vehicle meet stringent smog and emissions standards. Reduces hydrocarbon emissions on gas motors by up to 50%!
- Enhance Fuel Economy and Performance: Cataclean cleans fuel injectors and cylinder heads, leading to improved fuel combustion, better mileage, and restored engine power.
- Clear Check Engine Lights: By cleaning your car’s exhaust and fuel systems, Cataclean restores optimal performance and helps resolve common check engine light codes like P0420, P0430, P0171, P0174, P0300, and P0401, potentially saving you thousands on repairs.
- Maintain Catalytic Converter Efficiency: Regular use of Cataclean helps prevent carbon accumulation in your catalytic converter, ensuring it operates efficiently and prolongs its lifespan. ​
- Easy Application: Simply add Cataclean to your fuel tank as directed; no special tools or mechanical skills required, making it a convenient addition to your vehicle maintenance routine. Safe for use in gasoline, diesel and Hybrid engines. 50 state legal.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0739TGHW8 |
| Best Sellers Rank | #355 in Automotive ( See Top 100 in Automotive ) #43 in Fuel Additives |
| Brand | Cataclean |
| Brand Name | Cataclean |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.2 out of 5 stars 15,325 Reviews |
| Global Trade Identification Number | 00090127008126 |
| Included Components | Cataclean - Gas 3L Fuel/Exhaust System (120018CAT) |
| Item Form | Liquid |
| Item Type Name | Cataclean - Gas 3L Fuel/Exhaust System (120018CAT) |
| Manufacturer | CataClean |
| Model Number | 120018CAT |
| Number of Items | 1 |
| Part Number | 120018CAT |
| Scent | Unscented |
| Size | 1 Count (Pack of 1) |
| Specific Uses For Product | Engine |
| UPC | 090127008126 |
| Unit Count | 1.0 Count |
| Warranty Description | Manufacturer Warranty |

## Product Details

- **Brand:** Cataclean
- **Item Form:** Liquid
- **Scent:** Unscented
- **Specific Uses For Product:** Engine
- **Unit Count:** 1.0 Count

## Images

![Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 3L (120018CAT) - Image 1](https://m.media-amazon.com/images/I/612DuzrIjJL.jpg)
![Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 3L (120018CAT) - Image 2](https://m.media-amazon.com/images/I/819JbN7I39L.jpg)
![Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 3L (120018CAT) - Image 3](https://m.media-amazon.com/images/I/81ZBGIY2QyL.jpg)
![Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 3L (120018CAT) - Image 4](https://m.media-amazon.com/images/I/81LEZg9lOwL.jpg)
![Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 3L (120018CAT) - Image 5](https://m.media-amazon.com/images/I/81-eP4nJBpL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is this the same product as the 473ml bottles for $25 each?**
A: Yes. Check engine light came on. Recommended use of product every 6 months. Light never came on again.  Dealership would have had me replace catalytic converter.  Yikes!

**Q: My question is that this product is for 3 liter engines , my engine is 4.7 liters can i still use it on my vehicle**
A: 3 Liters is the liquid quantity content of this product. Can be used in any engine size, just follow the directions provided.

**Q: How much to use per gallon?**
A: I have used double the recommended amount with no unwanted results.

**Q: can it be used for 2.0 L engine**
A: Yes, the engine doesn't matter.  The product cleans out deposits from the engine and exhaust system.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***K on April 28, 2026*



### ⭐⭐⭐⭐⭐ Review
*by D***Y on April 9, 2026*



### ⭐⭐⭐⭐ Review
*by L***S on March 3, 2016*



## Frequently Bought Together

- Cataclean Fuel & Exhaust System Cleaner – Pass Emissions Tests – Clear Check Engine Lights – Restores Catalytic Converters, DPF Filters and Cleans Fuel Systems, 3 Liter
- CRC Guaranteed to Pass Emissions Test Formula, 12 Fluid Ounce

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.gr/products/46138084-fuel-and-exhaust-system-cleaner-pass-emissions-tests-clear-check](https://www.desertcart.gr/products/46138084-fuel-and-exhaust-system-cleaner-pass-emissions-tests-clear-check)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-05-07*