---
product_id: 174020332
title: "Klotz Cleanest Catalytic Converter Cleaner for PFI and GDI Engine Fuel Systems – 1 Pint, KL-604"
brand: "klotz"
price: "389 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/174020332-klotz-cleanest-catalytic-converter-cleaner-for-pfi-and-gdi-engine
store_origin: RO
region: Romania
---

# Reduces emissions Safe for all engines Max efficiency Klotz Cleanest Catalytic Converter Cleaner for PFI and GDI Engine Fuel Systems – 1 Pint, KL-604

**Brand:** klotz
**Price:** 389 Lei
**Availability:** ✅ In Stock

## Summary

> 🚀 Drive Clean, Drive Smart!

## Quick Answers

- **What is this?** Klotz Cleanest Catalytic Converter Cleaner for PFI and GDI Engine Fuel Systems – 1 Pint, KL-604 by klotz
- **How much does it cost?** 389 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/174020332-klotz-cleanest-catalytic-converter-cleaner-for-pfi-and-gdi-engine)

## Best For

- klotz enthusiasts

## Why This Product

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

## Key Features

- • **Made in the USA:** Quality you can trust, crafted right here!
- • **Long-Lasting Effects:** Continues cleaning even after fuel is depleted.
- • **Boosts Fuel Efficiency:** Improves acceleration and MPG for your ride.
- • **Eco-Friendly Performance:** Reduce hydrocarbon emissions and drive green!
- • **Advanced Cleaning Technology:** Targets carbon deposits for peak performance.

## Overview

KlotzCleanest Catalytic Converter Cleaner is a premium 1-pint formula designed to reduce hydrocarbon emissions and maintain catalytic converter efficiency. It effectively targets carbon deposits in fuel and exhaust systems, ensuring optimal performance for all gasoline engines, including turbo and supercharged models. Safe and easy to use, this cleaner is perfect for pre-treatment before emissions tests and regular maintenance.

## Description

Klotz Cleanest Catalytic Converter Cleaner for PFI and GDI Engine Fuel Systems – 1 Pint, KL-604

## Features

- Klotz Catalytic Converter Cleaner is the cleanest formula available to reduce hydrocarbon emissions and maintain your catalytic converter at maximum efficiency. Using a blend of technologies, this formulation targets carbon deposits throughout the fuel and exhaust system to keep fuel injectors, oxygen sensors, and cylinder head chambers clean and operating at peak performance.
- Our formula features surface-active chemistry that will continue cleaning even after the treated gasoline is depleted, and is optimized to target downstream hardware including the catalytic converter and its oxygen sensors to maintain a clean operating efficiency and minimize carbon emissions.
- The Klotz Cleanest Catalytic Converter Cleaner restores and maintains your vehicle’s exhaust and fuel systems by eliminating carbon deposits to decrease build-up, providing improved acceleration and more miles per gallon.
- Includes 16 ounces of Klotz KL-604 Cleanest Catalytic Converter Cleaner KL-604. Safe for all gasoline engines including turbo and supercharged. Use as a pre-treatment before emissions tests and 2-4 times a year to maintain optimum engine performance. Simply empty the bottle contents into your fuel tank at full or approximately 16-20 gallons and drive normally.
- Klotz is committed to using the most advanced technology available and never compromising on quality for profit: no cost-optimizing or substitution of lesser ingredients. Your vehicle deserves the best products available.
- Klotz is Proud to be Made in the USA.

## Images

![Klotz Cleanest Catalytic Converter Cleaner for PFI and GDI Engine Fuel Systems – 1 Pint, KL-604 - Image 1](https://m.media-amazon.com/images/I/51EsKg02ShL.jpg)
![Klotz Cleanest Catalytic Converter Cleaner for PFI and GDI Engine Fuel Systems – 1 Pint, KL-604 - Image 2](https://m.media-amazon.com/images/I/41PZsTeOXUL.jpg)
![Klotz Cleanest Catalytic Converter Cleaner for PFI and GDI Engine Fuel Systems – 1 Pint, KL-604 - Image 3](https://m.media-amazon.com/images/I/511Srs-d4XL.jpg)
![Klotz Cleanest Catalytic Converter Cleaner for PFI and GDI Engine Fuel Systems – 1 Pint, KL-604 - Image 4](https://m.media-amazon.com/images/I/91W6NLoX3KL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.ro/products/174020332-klotz-cleanest-catalytic-converter-cleaner-for-pfi-and-gdi-engine](https://www.desertcart.ro/products/174020332-klotz-cleanest-catalytic-converter-cleaner-for-pfi-and-gdi-engine)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-01*