---
product_id: 558167584
title: "Castrol GTX 15W-40 A3/B3 Engine Oil 4L"
brand: "castrol"
price: "¥21004"
currency: JPY
in_stock: true
reviews_count: 8
category: "Castrol"
url: https://www.desertcart.jp/products/558167584-castrol-gtx-15w-40-a3-b3-engine-oil-4l
store_origin: JP
region: Japan
---

# 208°C flash point for superior thermal stability 15W-40 SAE viscosity for all-season engine resilience Anti-sludge formula for enhanced engine protection Castrol GTX 15W-40 A3/B3 Engine Oil 4L

**Brand:** castrol
**Price:** ¥21004
**Availability:** ✅ In Stock

## Summary

> 🛢️ Power your drive with Castrol GTX – where performance meets protection!

## Quick Answers

- **What is this?** Castrol GTX 15W-40 A3/B3 Engine Oil 4L by castrol
- **How much does it cost?** ¥21004 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/558167584-castrol-gtx-15w-40-a3-b3-engine-oil-4l)

## 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

- • **Thermal Toughness:** High 208°C flash point resists breakdown under extreme heat, keeping your engine cool under pressure
- • **Proven Reliability:** 4L bottle from Castrol, a global leader, with 4.8-star rating and rave reviews from discerning users
- • **All-Weather Engine Armor:** 15W-40 viscosity ensures smooth performance in diverse climates and driving conditions
- • **Sludge Shield Technology:** Advanced anti-sludge additives protect your engine from harmful deposits and extend engine life
- • **Trusted OEM Compatibility:** Meets ACEA A3/B4, API SP, VW 501.01/505.00, MB 229.1, and FIAT 9.55535-D2 standards for peace of mind

## Overview

Castrol GTX 15W-40 A3/B3 is a premium mineral engine oil designed for gasoline and diesel engines requiring ACEA A3/B4 and API SP standards. With a high flash point of 208°C and advanced anti-sludge formula, it delivers superior thermal stability and engine cleanliness. Approved for VW, Mercedes-Benz, and Fiat vehicles, this 4L bottle offers trusted, all-weather protection that extends engine life and ensures reliable performance.

## Description

From the manufacturer

Review: Castrol GTX 15/40 - Good quality engine oil. Reasonably priced.
Review: great oil. - Good price for the oil, use it in 2 of the bikes. Superb protection

## Features

- Contains N, N-bis(2-ethylhexyl)-((1,2,4- triazol-1-yl)methyl)amine. May produce an allergic reaction.
- Safety data sheet available on request.
- GTX 15W-40 A3/B3 is suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an ACEA A3/B4, API SP or earlier specification 15W-40 lubricant.
- GTX 15W-40 A3/B3 is also approved for use in VW group vehicles that require a VW 501 01/ 505 00 lubricant and meets FIAT 9.55535-D2. It is suitable for use in Mercedes-Benz vehicles requiring MB 229.1.
- Advantages Castrol GTX 15W-40 A3/B3 Contains anti-sludge formula that provide better sludge protection compared to tough industry standards* Superior protection against viscosity and thermal breakdown Anti-wear additives that extend the life of your engine
- Product Performance Claims ACEA A3/B4 API SP Meets - Fiat 9.55535-D2 VW 501.01/ 505 00 Suitable for use in vehicles requiring MB 229.1
- Storage All packages should be stored under cover. Where outside storage is unavoidable drums should be laid horizontally to avoid the possible ingress of water and damage to drum markings. Products should not be stored above 60°C, exposed to hot sun or freezing conditions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CDLR5GGG |
| Best Sellers Rank | 2,535 in Automotive ( See Top 100 in Automotive ) 67 in Car Engine Oils |
| Brand | Castrol |
| Brand Name | Castrol |
| Compatible with Vehicle Type | Car |
| Container Type | Bottle |
| Country Of Origin | Belgium |
| Customer Reviews | 4.8 out of 5 stars 286 Reviews |
| Flash Point | 208 Degrees Celsius |
| Flash point | 208 Degrees Celsius |
| Included Components | CASTROL Engine Oil 15W-40 GTX Mineral Oil Engine Oil ACEA A3/B3 API SL API CF A3/B3 |
| Item Type Name | GTX 15W-40 4L |
| Liquid Volume | 4 Litres |
| Liquid volume | 4 Litres |
| Manufacturer | Castrol |
| Manufacturer Part Number | 15F628 |
| Manufacturer Warranty Description | yes |
| Package information | Bottle |
| Vehicle service type | Car |
| Viscosity | 15W-40 sae_grade |

## Product Details

- **Brand:** Castrol
- **Liquid volume:** 4 Litres
- **Package information:** Bottle
- **Vehicle service type:** Car
- **Viscosity:** 15W-40 sae_grade

## Images

![Castrol GTX 15W-40 A3/B3 Engine Oil 4L - Image 1](https://m.media-amazon.com/images/I/61cun872CKL.jpg)
![Castrol GTX 15W-40 A3/B3 Engine Oil 4L - Image 2](https://m.media-amazon.com/images/I/71kRvvFwRXL.jpg)
![Castrol GTX 15W-40 A3/B3 Engine Oil 4L - Image 3](https://m.media-amazon.com/images/I/71XJyJM6MjL.jpg)
![Castrol GTX 15W-40 A3/B3 Engine Oil 4L - Image 4](https://m.media-amazon.com/images/I/61x1Mu+16oL.jpg)
![Castrol GTX 15W-40 A3/B3 Engine Oil 4L - Image 5](https://m.media-amazon.com/images/I/61-s0DnU8iL.jpg)

## Available Options

This product comes in different **Customer Package Type, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Castrol GTX 15/40
*by H***R on 1 October 2025*

Good quality engine oil. Reasonably priced.

### ⭐⭐⭐⭐⭐ great oil.
*by M***E on 4 September 2025*

Good price for the oil, use it in 2 of the bikes. Superb protection

### ⭐⭐⭐⭐⭐ Top brand ,good price.
*by R***. on 28 July 2025*

Quality product. Nothing else to say.

## Frequently Bought Together

- Castrol GTX 15W-40 A3/B3 Engine Oil 4L
- Wynn's Engine Oil Flush Cleans Inside Engine & Removes Harmful Deposits 425ml

---

## 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.jp/products/558167584-castrol-gtx-15w-40-a3-b3-engine-oil-4l](https://www.desertcart.jp/products/558167584-castrol-gtx-15w-40-a3-b3-engine-oil-4l)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-23*