---
product_id: 51914619
title: "Castrol GTX Ultraclean 10W-40 A3/B4 Engine Oil 1L"
brand: "castrol"
price: "€ 13.59"
currency: EUR
in_stock: false
reviews_count: 8
url: https://www.desertcart.nl/products/51914619-castrol-gtx-ultraclean-10w-40-a3-b4-engine-oil-1l
store_origin: NL
region: Netherlands
---

# Meets top OEM specs: MB, VW, Fiat, Hyundai & more Up to 50% better sludge protection vs industry standards 10W-40 viscosity for versatile engine protection Castrol GTX Ultraclean 10W-40 A3/B4 Engine Oil 1L

**Brand:** castrol
**Price:** € 13.59
**Availability:** ❌ Out of Stock

## Summary

> 🛠️ Keep your engine cleaner, longer — because your ride deserves the best!

## Quick Answers

- **What is this?** Castrol GTX Ultraclean 10W-40 A3/B4 Engine Oil 1L by castrol
- **How much does it cost?** € 13.59 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/51914619-castrol-gtx-ultraclean-10w-40-a3-b4-engine-oil-1l)

## Best For

- castrol enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Viscosity:** 10W-40 grade ensures optimal flow and protection in diverse climates
- • **World’s Most Popular Oil:** Join millions who trust Castrol GTX for reliable, high-performance engine care
- • **Future-Proof Engine Defense:** Protects against sludge buildup to extend engine life
- • **Trusted by Industry Leaders:** Certified to meet stringent OEM standards for premium performance
- • **Synthetic Sludge Buster Power:** Breaks down and cleans existing sludge for a pristine engine

## Overview

Castrol GTX Ultraclean 10W-40 A3/B4 is a synthetic engine oil engineered to break down and remove existing sludge while providing up to 50% better sludge protection than tough industry limits. It meets multiple OEM approvals including Mercedes-Benz, Volkswagen, and Fiat, ensuring premium protection and performance for a wide range of vehicles.

## Description

Castrol GTX ULTRACLEAN’s synthetic technology, with its sludge buster breaks down and cleans away existing sludge & protects the engine from future sludge forming – offering up to 50% better sludge protection than tough industry limits*. *Compared with API SN Seq. VG Sludge test limit. Product Specifications: SAE 10W-40, ACEA A3/B3, A3/B4, API SL/CF, MB-Approval 229.1, VW 501 01/505 00, Meets Fiat 9.55535-D2/G2 OEMS: Fiat, Hyundai Kia, Mercedes-Benz, SEAT, Skoda, Volkswagen

## Features

- Synthetic technology
- Cleans away existing sludge
- Protects the engine from future sludge forming
- Gtx- the Worlds most popular oil

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Castrol |
| Brand | Castrol |
| Model | GTX ULTRACLEAN 10W-40 A3/B4 |
| Product Dimensions | 6.5 x 9.5 x 24 cm; 920 g |
| Item model number | 15A4CF |
| Manufacturer part number | 15A4CF |
| Item Weight | 920 g |
| Viscosity | 10W-40 |

## Product Details

- **Viscosity:** 10W-40
- **Brand:** Castrol
- **Liquid volume:** 1 Litres
- **Package information:** Bottle
- **Vehicle service type:** Car

## Images

![Castrol GTX Ultraclean 10W-40 A3/B4 Engine Oil 1L - Image 1](https://m.media-amazon.com/images/I/710GFjRwkvL.jpg)
![Castrol GTX Ultraclean 10W-40 A3/B4 Engine Oil 1L - Image 2](https://m.media-amazon.com/images/I/71yWtTMZ9oL.jpg)

## Questions & Answers

**Q: Is this suitable for 4-stroke mower engines?**
A: Hi, yes, fine for that.

**Q: Is this ok for a 2004 Vauxhall Zafira 1.6 petrol engine**
A: Hi, yes, it's okay for that

**Q: Is this suitable for a Nissan Note?**
A: Maybe I Bought the oil for lubication perpose and to top up my car

**Q: Is this ok for a Sinnis apache 125 sm motorbike as specs for my bike is sae 10w 40**
A: Hi, yes this will be be fine to use for that.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Okay
*by C***. on 2 March 2025*

Okay for car top up.

### ⭐⭐⭐⭐⭐ Seemingly good synthetic oil
*by S***Y on 11 July 2022*

Oil seems to be perfectly ok for a fraction of the price in a garage.

### ⭐⭐⭐⭐ Oil
*by J***S on 6 November 2022*

Only bought this to mix in with my wood preserver which it done very well.

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**Shop now:** [https://www.desertcart.nl/products/51914619-castrol-gtx-ultraclean-10w-40-a3-b4-engine-oil-1l](https://www.desertcart.nl/products/51914619-castrol-gtx-ultraclean-10w-40-a3-b4-engine-oil-1l)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-18*