---
product_id: 543143441
title: "GTX 10W-40 A3/B4 Part Synthetic Engine Oil, 5L"
brand: "castrol"
price: "R2379"
currency: ZAR
in_stock: true
reviews_count: 13
category: "Castrol"
url: https://www.desertcart.co.za/products/543143441-gtx-10w-40-a3-b4-part-synthetic-engine-oil-5l
store_origin: ZA
region: South Africa
---

# 200°C flash point for thermal stability API SP & ACEA A3/B4 certified 5L part synthetic jug for long-lasting protection GTX 10W-40 A3/B4 Part Synthetic Engine Oil, 5L

**Brand:** castrol
**Price:** R2379
**Availability:** ✅ In Stock

## Summary

> 🛠️ Keep your engine running smoother, longer — don’t get left behind!

## Quick Answers

- **What is this?** GTX 10W-40 A3/B4 Part Synthetic Engine Oil, 5L by castrol
- **How much does it cost?** R2379 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/543143441-gtx-10w-40-a3-b4-part-synthetic-engine-oil-5l)

## 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

- • **Trusted by Thousands:** 4.7-star rating from 939 reviews proves reliability and customer satisfaction
- • **Thermal Stability That Lasts:** High 200°C flash point ensures oil integrity under extreme conditions
- • **Engineered for Peak Performance:** Meets stringent MB-Approval 229.3 & VW 501 01/505 00 standards for superior engine care
- • **Universal Fit, Maximum Compatibility:** Perfectly suited for a wide range of car engines, from Fiat to Renault and VW
- • **Part Synthetic Blend for Balanced Protection:** Optimizes engine cleanliness and wear resistance without premium synthetic price

## Overview

Castrol GTX 10W-40 A3/B4 is a 5-liter part synthetic engine oil designed for universal car engine compatibility. It meets top industry standards including API SP, ACEA A3/B4, and multiple OEM approvals (MB, VW, Fiat, Renault). With a high flash point of 200°C, it offers excellent thermal stability and engine protection, backed by strong customer ratings and trusted brand heritage.

## Description

From the manufacturer

Review: Great product - Arrived in good time
Review: Castrol oil - First class oil at competitive price.

## Features

- Contains C14-16-18 Alkyl phenol and N,N-bis(2-ethylhexyl)-((1,2,4-triazol-1-yl)methyl)amine. May produce an allergic reaction.
- Safety data sheet available on request.
- Suitable for API SP, Meets - Fiat 9.55535-D2, MB-Approval 229.3, VW 501 01/ 505 00
- Specifications: ACEA A3/B4 API SP Meets Fiat 9.55535-D2 / 9.55535-G2 MB-Approval 226.5/ 229.3 Renault RN 0700 / RN 0710 VW 501 01/ 505 00

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C812PDFW |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | 4,609 in Automotive ( See Top 100 in Automotive ) 100 in Car Engine Oils |
| Brand | Castrol |
| Brand Name | Castrol |
| Compatible with Vehicle Type | Car |
| Container Type | Jug |
| Customer Reviews | 4.7 out of 5 stars 939 Reviews |
| Flash Point | 200 Degrees Celsius |
| Flash point | 200 Degrees Celsius |
| Included Components | Car Engine Oils |
| Item Type Name | Car Engine Oils |
| Item Weight | 4390 Grams |
| Liquid Volume | 5 Litres |
| Liquid volume | 5 Litres |
| Manufacturer | Castrol |
| Manufacturer Part Number | 15F8FC |
| Manufacturer Warranty Description | refer to Castrol website |
| Model Number | dk-221 |
| Package information | Jug |
| Size | 5L |
| Unit Count | 5000.0 millilitre |
| Vehicle service type | Car |
| Viscosity Level | Medium |

## Product Details

- **Brand:** Castrol
- **Liquid volume:** 5 Litres
- **Package information:** Jug
- **SAE J300 Viscosity Grade:** 10W-40
- **Vehicle service type:** Car

## Images

![GTX 10W-40 A3/B4 Part Synthetic Engine Oil, 5L - Image 1](https://m.media-amazon.com/images/I/717Gf+McrjL.jpg)
![GTX 10W-40 A3/B4 Part Synthetic Engine Oil, 5L - Image 2](https://m.media-amazon.com/images/I/81VX1a4A+VL.jpg)
![GTX 10W-40 A3/B4 Part Synthetic Engine Oil, 5L - Image 3](https://m.media-amazon.com/images/I/71LDqb2j15L.jpg)
![GTX 10W-40 A3/B4 Part Synthetic Engine Oil, 5L - Image 4](https://m.media-amazon.com/images/I/71fchH7ecaL.jpg)
![GTX 10W-40 A3/B4 Part Synthetic Engine Oil, 5L - Image 5](https://m.media-amazon.com/images/I/71ZtWMrBDtL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by A***R on 6 July 2026*

Arrived in good time

### ⭐⭐⭐⭐⭐ Castrol oil
*by P***D on 3 January 2026*

First class oil at competitive price.

### ⭐⭐⭐⭐⭐ Price
*by D***S on 7 January 2026*

Excellent price

## Frequently Bought Together

- Castrol GTX 10W-40 A3/B4 Engine Oil 5L
- Castrol GTX 10W-40 A3/B4 Engine Oil 1L

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**Shop now:** [https://www.desertcart.co.za/products/543143441-gtx-10w-40-a3-b4-part-synthetic-engine-oil-5l](https://www.desertcart.co.za/products/543143441-gtx-10w-40-a3-b4-part-synthetic-engine-oil-5l)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-07-31*