---
product_id: 259452091
title: "9201 Catalytic System Cleaner | Exhaust system cleaner | Cleans oxygen sensors | Improves fuel efficiency | Catalytic converter cleaner | Imported From Germany(500ml)"
brand: "mannol"
price: "123.27 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Mannol"
url: https://www.desertcart.tn/products/259452091-9201-catalytic-system-cleaner-exhaust-system-cleaner-cleans-oxygen-sensors
store_origin: TN
region: Tunisia
---

# Boosts fuel efficiency noticeably Removes stubborn carbon deposits Cleans oxygen sensors for peak engine performance 9201 Catalytic System Cleaner | Exhaust system cleaner | Cleans oxygen sensors | Improves fuel efficiency | Catalytic converter cleaner | Imported From Germany(500ml)

**Brand:** mannol
**Price:** 123.27 DT
**Availability:** ✅ In Stock

## Summary

> ⚡ Unlock your engine’s hidden power with every drop!

## Quick Answers

- **What is this?** 9201 Catalytic System Cleaner | Exhaust system cleaner | Cleans oxygen sensors | Improves fuel efficiency | Catalytic converter cleaner | Imported From Germany(500ml) by mannol
- **How much does it cost?** 123.27 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/259452091-9201-catalytic-system-cleaner-exhaust-system-cleaner-cleans-oxygen-sensors)

## Best For

- mannol enthusiasts

## Why This Product

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

## Key Features

- • **Sensor Revival:** Restores oxygen sensor accuracy, ensuring your engine breathes perfectly.
- • **Deep Carbon Detox:** Eradicates carbon buildup from valves, piston rings, and catalytic cells for a cleaner engine core.
- • **Prolongs Engine Life:** Protects and extends the lifespan of your catalytic converter and exhaust system.
- • **Fuel Efficiency Booster:** Optimizes combustion to reduce fuel consumption and save on every mile.
- • **Easy Professional Infusion:** Simple infusion process designed for precise, effective cleaning with minimal downtime.

## Overview

MANNOL 9201 Catalytic System Cleaner is a premium German-engineered formula that removes carbon deposits from valves, piston rings, catalytic converters, and oxygen sensors. This 500ml treatment improves fuel efficiency, restores sensor performance, and prolongs catalytic converter life, making it an essential maintenance step for high-performing vehicles.

## Description

The Catalytic System Cleaner removes typical contamination and deposits in the combustion system: it cleans valves, piston rings, the exhaust system and the catalytic converter by eliminating carbon residues and scale, which ensures reliable operation and improved performance. It restores the optimal exhaust gases purification and decreases fuel consumption. All of this prolongs the service life of the catalytic converter and the combustion system. Connect the infusion device with the can. Insert the infusion needle into the engine rubber air intake vacuum tube and hang the can upside down to start the infusion. Let the engine run under stationary conditions at 1,500 rpm approximately for 30-45 minutes. Use this product outdoors. In case the exhaust manifold burns red due to high temperature of the catalytic converter, immediately stop the cleaning process.

Review: Use with cautions - Amazing grate and good product for doing it peruse
Review: Not sure if anything happened - Used to have o2 sensor error frequently, after using it so far no errors, if one appears again will add comment.

## Features

- Cleans valves, piston rings, and catalytic converter cells, as well as the exhaust system, from carbon deposits, tar, and other residues;
- Removes carbon deposits from combustion chamber walls and piston ring grooves, preventing future buildup;
- Cleans oxygen sensor electrodes (lambda probe), improving sensor performance;

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0744LYJ84 |
| Best Sellers Rank | #6,129 in Automotive ( See Top 100 in Automotive ) #22 in Automotive Fuel System Cleaners |
| Brand | MANNOL |
| Customer Reviews | 4.1 4.1 out of 5 stars (124) |
| Date First Available | 28 December 2017 |
| Item Weight | 500 g |
| Item model number | 9201 |
| Manufacturer | MANNOL |
| Manufacturer Part Number | 9201 |
| Product Dimensions | 11 x 6 x 19 cm; 500 g |

## Images

![9201 Catalytic System Cleaner | Exhaust system cleaner | Cleans oxygen sensors | Improves fuel efficiency | Catalytic converter cleaner | Imported From Germany(500ml) - Image 1](https://m.media-amazon.com/images/I/71t-aj5z8OL.jpg)

## Questions & Answers

**Q: How often should I use it on my car?**
A: It depends how old ur car or catalytic converter is.. i do it on every major maintenance..or 20000kms it keeps ur catalytic clean

**Q: How often should I use it on my car?**
A: Hi,
It depends on the condition of the car injectors and catalytic. In my opinion, I think every 20k KM if the injectors are much dirty and between 30-40k KM if you clean them on regular basis.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Use with cautions
*by M***R on 13 October 2025*

Amazing grate and good product for doing it peruse

### ⭐⭐⭐⭐⭐ Not sure if anything happened
*by S***O on 23 September 2023*

Used to have o2 sensor error frequently, after using it so far no errors, if one appears again will add comment.

### ⭐⭐⭐⭐⭐ Works wonders
*by M***N on 11 December 2022*

Had used it on Lexus IS 250 with P420/430 code and it worked wonders. It has been weeks and no check engine light.

## Frequently Bought Together

- MANNOL 9201 CATALYTIC SYSTEM CLEANER - Professional O.E.M. Edition
- MANNOL 9990 Oil Additive Motor Doctor Oil Additive | Designed To Increase Oil Pressure And To decrease Oil Consumption In Engines - 350 ml
- HTE MANNOL 9981 Petrol Injector Cleaner – Gasoline Fuel Injection System Cleaner Additive 1x 300ml – Germany

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-09*