---
product_id: 49959332
title: "8931 Catalytic-System Cleaner"
brand: "liqui moly"
price: "€ 20.66"
currency: EUR
in_stock: true
reviews_count: 13
category: "Liqui Moly"
url: https://www.desertcart.ie/products/49959332-8931-catalytic-system-cleaner
store_origin: IE
region: Ireland
---

# Optimizes combustion efficiency Prevents catalytic converter clogging Protects fuel system from corrosion 8931 Catalytic-System Cleaner

**Brand:** liqui moly
**Price:** € 20.66
**Availability:** ✅ In Stock

## Summary

> ⛽ Drive cleaner, save smarter — your engine’s secret weapon!

## Quick Answers

- **What is this?** 8931 Catalytic-System Cleaner by liqui moly
- **How much does it cost?** € 20.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/49959332-8931-catalytic-system-cleaner)

## Best For

- liqui moly enthusiasts

## Why This Product

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

## Key Features

- • **Deep Clean Power:** Cleans intake tract, valves, and combustion chamber for peak engine health
- • **Fuel System Guardian:** Prevents corrosion and extends the life of your fuel system components
- • **Long-Lasting Efficiency:** Delivers sustained fuel savings and engine protection with every use
- • **Catalytic Converter Savior:** Stops soot buildup to keep emissions clean and your ride eco-friendly
- • **Maximize Engine Performance:** Ensures optimum combustion for smoother drives and lower fuel costs

## Overview

The 8931 Catalytic-System Cleaner by Liqui Moly is a 300ml liquid formula designed to optimize combustion, prevent fuel system corrosion, and protect the catalytic converter from soot buildup. It cleans critical engine components like intake valves and combustion chambers, ensuring lower fuel consumption and long-lasting engine efficiency. Trusted by thousands with a 4.4-star rating, it’s a must-have for maintaining peak vehicle performance.

## Description

From the manufacturer

Review: Works great. - Good value for money, excellent service, this item works as it should very happy with the result.
Review: Great - Great

## Features

- Harmful to aquatic life with long lasting effects.
- May be fatal if swallowed and enters airways.
- Repeated exposure may cause skin dryness or cracking.
- guarantees optimum combustion
- prevents corrosion in the fuel system
- protects the catalytic converter from clogging with soot
- cleans the intake tract, intake valves and combustion chamber
- guarantees low fuel consumption with long-lasting effect

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00XBOFZK2 |
| Benefits | Chlorine Reduction |
| Best Sellers Rank | 19,084 in Automotive ( See Top 100 in Automotive ) 176 in Fuel Systems |
| Brand | Liqui Moly |
| Brand Name | Liqui Moly |
| Capacity | 300 ml |
| Container Type | Bottle |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.4 out of 5 stars 2,417 Reviews |
| Included Components | no |
| Item Form | Liquid |
| Item Type Name | Catalytic-System Cleaner |
| Item Volume | 300 Millilitres |
| Item Weight | 0.3 Kilograms |
| Item form | Liquid |
| Item volume | 300 Millilitres |
| Manufacturer | Liqui Moly |
| Material Features | Unscented |
| Material feature | Unscented |
| Model Number | 08931 |
| Number of Items | 1 |
| Part Number | 8931 |
| Scent | Unscented |
| Size | 1 ml (Pack of 1) |
| Special Features | Chlorine Reduction |
| Specific Uses For Product | Automotive Exterior |
| Specific uses for product | Automotive Exterior |
| Unit Count | 1.0 millilitre |

## Product Details

- **Brand:** Liqui Moly
- **Item form:** Liquid
- **Item volume:** 300 Millilitres
- **Item weight:** 0.3 Kilograms
- **Material feature:** Unscented
- **Number of items:** 1
- **Scent:** Unscented
- **Special feature:** Chlorine Reduction
- **Specific uses for product:** Automotive Exterior
- **Unit count:** 1.0 millilitre

## Images

![8931 Catalytic-System Cleaner - Image 1](https://m.media-amazon.com/images/I/719bj-6JqsL.jpg)
![8931 Catalytic-System Cleaner - Image 2](https://m.media-amazon.com/images/I/71QjcvPHCbL.jpg)
![8931 Catalytic-System Cleaner - Image 3](https://m.media-amazon.com/images/I/61yfoQVUT3L.jpg)
![8931 Catalytic-System Cleaner - Image 4](https://m.media-amazon.com/images/I/61kcxAv6npL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is this for deisel and petrol engines?**
A: Hi there, this product is for all gasoline engines with a catalytic converter.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great.
*by N***R on 27 May 2026*

Good value for money, excellent service, this item works as it should very happy with the result.

### ⭐⭐⭐⭐⭐ Great
*by M***N on 28 May 2026*

Great

### ⭐⭐⭐⭐⭐ Brilliant.
*by I***I on 2 August 2025*

Use it as instructed on the Company official website. Works perfect, you will need to erase computer errors, eventually. Engine work smooth.

## Frequently Bought Together

- Liqui Moly 8931 Catalytic-System Cleaner, uncoloured
- Liqui Moly Catalytic System Clean 300 ml 7110. Cleans The Injection System and The Combustion Chamber.
- Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml , blue , 10.14 Fl Oz (Pack of 1 )

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---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-07-05*