---
product_id: 695071462
title: "3 x RZ21G Injection System Cleaner Direct Injection System Cleaner Injector Cleaner Injector Cleaner Engine Care Corrosion Protection 300 ml Can"
brand: "rzoil"
price: "893 kr"
currency: DKK
in_stock: true
reviews_count: 6
category: "Rzoil"
url: https://www.desertcart.dk/products/695071462-3-x-rz21g-injection-system-cleaner-direct-injection-system-cleaner
store_origin: DK
region: Denmark
---

# Optimizes fuel consumption Precision cleaning for direct injectors Active corrosion protection 3 x RZ21G Injection System Cleaner Direct Injection System Cleaner Injector Cleaner Injector Cleaner Engine Care Corrosion Protection 300 ml Can

**Brand:** rzoil
**Price:** 893 kr
**Availability:** ✅ In Stock

## Summary

> 🛠️ Keep your engine flawless, efficient, and protected — because your ride deserves the best!

## Quick Answers

- **What is this?** 3 x RZ21G Injection System Cleaner Direct Injection System Cleaner Injector Cleaner Injector Cleaner Engine Care Corrosion Protection 300 ml Can by rzoil
- **How much does it cost?** 893 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/695071462-3-x-rz21g-injection-system-cleaner-direct-injection-system-cleaner)

## Best For

- rzoil enthusiasts

## Why This Product

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

## Key Features

- • **Corrosion Defense:** Lubricates and protects the entire fuel injection system from wear, deposits, and corrosion.
- • **Long-Lasting Effect:** One 300 ml can treats up to 60 liters of fuel and keeps your engine optimized for 2,000 km.
- • **Precision Engine Care:** Specially formulated for modern petrol direct injection engines to maintain flawless performance.
- • **Fuel Efficiency Booster:** Reduces fuel consumption and pollutant emissions by keeping injectors clean and efficient.
- • **Universal Compatibility:** Works seamlessly with turbo engines, catalytic converters, and petrol particulate filters (OPF).

## Overview

RZ21G Injection System Cleaner is a cutting-edge 300 ml liquid additive designed specifically for petrol direct injection engines. It enhances engine performance by cleaning injectors, improving fuel efficiency, reducing emissions, and providing active corrosion protection. Compatible with all petrol direct injection systems including turbocharged and OPF-equipped engines, one can treats up to 60 liters of fuel and delivers benefits lasting up to 2,000 km.

## Description

New formulation especially for petrol direct injectors: modern engines are highly sensitive precision machines that can only deliver their full performance in perfect condition. With the special formula for petrol direct injection engines, the new RZ21G ensures that every engine always works cleanly and flawlessly. Improved engine performance and consumption values: our RZ21G petrol additive improves engine running, optimises exhaust values and eliminates starting difficulties of direct injection petrol engines. Clean engines consume less fuel and pollutant emissions are reduced. Active corrosion protection in the injection system: the RZ21G injection system cleaner maintains by lubricating the injection system and protects the entire fuel system from wear, deposits and corrosion. Suitable for all direct injectors petrol engines: whether petrol direct injectors with turbo, catalytic converter or petrol particulate filters (OPF), the RZ21G injection system cleaner always unfolds its highest possible performance. Dosage and use: add the contents of the can directly into the fuel tank. One can of RZ21G injection system cleaner is sufficient for approx. 60 litres of fuel. The effect lasts up to 2,000 km and should then be renewed.

Review: best all cleaner - very good result
Review: Super - Super

## Features

- New formulation especially for petrol direct injectors: modern engines are highly sensitive precision machines that can only deliver their full performance in perfect condition. With the special formula for petrol direct injection engines, the new RZ21G ensures that every engine always works cleanly and flawlessly.
- Improved engine performance and consumption values: our RZ21G petrol additive improves engine running, optimises exhaust values and eliminates starting difficulties of direct injection petrol engines. Clean engines consume less fuel and pollutant emissions are reduced.
- Active corrosion protection in the injection system: the RZ21G injection system cleaner maintains by lubricating the injection system and protects the entire fuel system from wear, deposits and corrosion.
- Suitable for all direct injectors petrol engines: whether petrol direct injectors with turbo, catalytic converter or petrol particulate filters (OPF), the RZ21G injection system cleaner always unfolds its highest possible performance.
- Dosage and use: add the contents of the can directly into the fuel tank. One can of RZ21G injection system cleaner is sufficient for approx. 60 litres of fuel. The effect lasts up to 2,000 km and should then be renewed.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09QMRK8Y8 |
| Best Sellers Rank | #18,355 in Automotive ( See Top 100 in Automotive ) #125 in Oil & Fluid Additives |
| Brand | RZOIL |
| Brand Name | RZOIL |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.2 out of 5 stars 47 Reviews |
| Item Form | Liquid |
| Item Volume | 300 Milliliters |
| Item Weight | 0.9 Kilograms |
| Item form | Liquid |
| Item volume | 300 Milliliters |
| Manufacturer | RZOIL |
| Model Number | 91148-300-3 |
| Number of Items | 1 |
| Part Number | 91148-300-3 |
| Size | 900 ml (1er Pack) |
| Specific Uses For Product | Engine |
| Specific uses for product | Engine |
| Surface Recommendation | Metal |
| Surface recommendation | Metal |
| Unit Count | 900.0 Milliliters |
| Unit count | 900.0 Milliliters |

## Product Details

- **Brand:** RZOIL
- **Item volume:** 300 Milliliters
- **Number of Items:** 1
- **Specific uses for product:** Engine
- **Unit count:** 900.0 Milliliters

## Images

![3 x RZ21G Injection System Cleaner Direct Injection System Cleaner Injector Cleaner Injector Cleaner Engine Care Corrosion Protection 300 ml Can - Image 1](https://m.media-amazon.com/images/I/81Zu6iOezsL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ best all cleaner
*by S***N on 26 April 2025*

very good result

### ⭐⭐⭐⭐⭐ Super
*by M***I on 10 April 2025*

Super

### ⭐⭐⭐⭐⭐ Rzoil numero 1
*by F***S on 7 June 2026*

Rzoil. Fantastico fortissimo 💪💪💪per auto 🚘 magari disponibile tutti il prodotti Rzoil numero 1 grazie mille Germania 🇩🇪 per il miglior prodotto del mondo .

## Frequently Bought Together

- 3 x RZ21G Injection System Cleaner Direct Injection System Cleaner Injector Cleaner Injector Cleaner Engine Care Corrosion Protection 300 ml Can
- Liqui Moly 7110 Catalytic-System Clean, 300 ml
- Liqui Moly (20002) Cera Tec Friction Modifier, 300 Ml

---

## 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.dk/products/695071462-3-x-rz21g-injection-system-cleaner-direct-injection-system-cleaner](https://www.desertcart.dk/products/695071462-3-x-rz21g-injection-system-cleaner-direct-injection-system-cleaner)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-10-05*