---
product_id: 69411628
title: "Classic Valvemaster 250ml Lead Replacement Fuel Additive with Ethanol Protection"
brand: "castrol"
price: "€ 34.65"
currency: EUR
in_stock: false
reviews_count: 8
url: https://www.desertcart.es/products/69411628-classic-valvemaster-250ml-lead-replacement-fuel-additive-with-ethanol-protection
store_origin: ES
region: Spain
---

# 250ml treats 250L fuel Etha-Guard ethanol stabilizer Ultimate valve seat protection Classic Valvemaster 250ml Lead Replacement Fuel Additive with Ethanol Protection

**Brand:** castrol
**Price:** € 34.65
**Availability:** ❌ Out of Stock

## Summary

> 🛠️ Keep your classic running like new—because your engine deserves the best!

## Quick Answers

- **What is this?** Classic Valvemaster 250ml Lead Replacement Fuel Additive with Ethanol Protection by castrol
- **How much does it cost?** € 34.65 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/69411628-classic-valvemaster-250ml-lead-replacement-fuel-additive-with-ethanol-protection)

## 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 Enthusiasts:** Backed by Castrol’s legacy and a 4.6-star rating from discerning drivers.
- • **Engine Armor for Classics:** Protects valve seats from recession, extending engine life in pre-1996 vehicles.
- • **Ethanol Fuel’s Worst Enemy:** Neutralizes acidity and moisture from E5 & E10 fuels to prevent corrosion and damage.
- • **Clean Fuel System, Smooth Ride:** Keeps your fuel system pristine, ensuring optimal engine performance under all conditions.
- • **Precision Dosage, Maximum Impact:** One 250ml bottle treats up to 250 litres of petrol for long-lasting protection.

## Overview

Valvemaster 250ml Lead Replacement Fuel Additive offers superior valve seat protection and ethanol fuel stabilization for pre-1996 vehicles. Its unique phosphorus formula and Etha-Guard technology prevent corrosion, acidity, and moisture damage in fuel systems, treating up to 250 litres of petrol per bottle. Ideal for classic car enthusiasts seeking reliable, long-term engine care without catalytic converters.

## Description

Valvemaster provides the best protection against valve seat recession after lead, while keeping your fuel system clean and providing excellent corrosion protection. Particularly suited to older vehicles with a compression ratio less than 8:1. Should only be used in vehicles that are not fitted with a catalytic converter. All products in the Valvemaster Fuel Additive range contain Etha-Guard. Etha-Guard counteracts ethanol’s hygroscopic nature, preventing moisture and damage to your fuel system, stabilising E5 & E10 petrol. 250ml bottle - 1 bottle treats 250 litres of petrol.

Review: Brilliant stuff - Brilliant stuff
Review: Neutralise that Acid - Too early to say but assume this will work as the Castrol branded product in stopping water absorption and acid production by the ethanol in E5/10 fuel. Price point looks to be around similar products.

## Features

- Valvemaster lead replacement the best protection after lead
- Ultimate protection against valve seat recession, unique phosphorus formula. Protects your engine under all conditions
- *Etha-Guard ethanol stabiliser combats harmful effects of ethanol fuel
- Enables ethanol fuel in pre-1996 vehicles. Prevents corrosion in fuel system. Prevents acidity in ethanol fuel
- 250ml treats 250 litres

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07CVLP998 |
| Best Sellers Rank | 43,014 in Automotive ( See Top 100 in Automotive ) 259 in Fuel Systems |
| Brand | Castrol |
| Customer Reviews | 4.6 4.6 out of 5 stars (125) |
| Date First Available | 3 May 2018 |
| Item Weight | 270 g |
| Manufacturer | Castrol Classic Oils |
| Manufacturer part number | 1768 |
| Manufacturer reference | 1768 |
| Product Dimensions | 5 x 5 x 21 cm; 270 g |

## Images

![Classic Valvemaster 250ml Lead Replacement Fuel Additive with Ethanol Protection - Image 1](https://m.media-amazon.com/images/I/51lBwRq43DL.jpg)
![Classic Valvemaster 250ml Lead Replacement Fuel Additive with Ethanol Protection - Image 2](https://m.media-amazon.com/images/I/61cPfodm4pL.jpg)
![Classic Valvemaster 250ml Lead Replacement Fuel Additive with Ethanol Protection - Image 3](https://m.media-amazon.com/images/I/71-IvD7h1lL.jpg)
![Classic Valvemaster 250ml Lead Replacement Fuel Additive with Ethanol Protection - Image 4](https://m.media-amazon.com/images/I/71BBY94fIXL.jpg)
![Classic Valvemaster 250ml Lead Replacement Fuel Additive with Ethanol Protection - Image 5](https://m.media-amazon.com/images/I/71gSvnSqBSL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Brilliant stuff
*by C***R on 25 September 2025*

Brilliant stuff

### ⭐⭐⭐⭐⭐ Neutralise that Acid
*by M***T on 4 July 2025*

Too early to say but assume this will work as the Castrol branded product in stopping water absorption and acid production by the ethanol in E5/10 fuel. Price point looks to be around similar products.

### ⭐⭐⭐⭐ Works well with super ulp
*by M***N on 27 May 2025*

Ease of use good figures on lts on top

## Frequently Bought Together

- Valvemaster Classic, 250ml
- Castrol 1925/7176 Xl20W50 Oil, 1 Liter

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**Shop now:** [https://www.desertcart.es/products/69411628-classic-valvemaster-250ml-lead-replacement-fuel-additive-with-ethanol-protection](https://www.desertcart.es/products/69411628-classic-valvemaster-250ml-lead-replacement-fuel-additive-with-ethanol-protection)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-01-26*