---
product_id: 604790573
title: "Speed Tec Diesel Additive (250 ml)"
brand: "liqui moly"
price: "€ 45.40"
currency: EUR
in_stock: true
reviews_count: 5
category: "Liqui Moly"
url: https://www.desertcart.pt/products/604790573-speed-tec-diesel-additive-250-ml
store_origin: PT
region: Portugal
---

# Boosts acceleration in partial load Safe for turbo & catalytic converters Compatible with all diesel & biodiesel fuels Speed Tec Diesel Additive (250 ml)

**Brand:** liqui moly
**Price:** € 45.40
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your diesel’s potential — faster, cleaner, smoother!

## Quick Answers

- **What is this?** Speed Tec Diesel Additive (250 ml) by liqui moly
- **How much does it cost?** € 45.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/604790573-speed-tec-diesel-additive-250-ml)

## Best For

- liqui moly enthusiasts

## Why This Product

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

## Key Features

- • **Accelerate Your Drive:** Noticeably improves acceleration especially in partial load range for that smooth, responsive ride.
- • **Effortless Application:** Simply add to every tank fill-up—no tools, no hassle, just pure driving enhancement.
- • **Engine-Friendly Formula:** Tested and proven safe for turbochargers and catalytic converters, ensuring longevity and performance.
- • **Universal Diesel Compatibility:** Works flawlessly with all conventional diesel and biodiesel fuels—no fuel left behind.
- • **Cleaner Combustion, Quieter Engine:** Experience a smoother, quieter engine with reduced diesel odor and cleaner fuel burn.

## Overview

Liqui Moly Speed Tec Diesel Additive (250 ml) is a premium fuel additive designed to enhance acceleration in diesel engines, especially under partial load conditions. Compatible with all diesel and biodiesel fuels, it supports turbo and catalytic converter safety while promoting cleaner combustion and a quieter engine. Easy to use and highly rated by thousands, it’s the smart upgrade for any diesel vehicle seeking improved performance and efficiency.

## Description

Speed Tec Diesel is a new diesel fuel additive for combustion improvement and the faster acceleration associated with it, above all in partial load range. Fully compatible with all conventional diesel and biodiesel fuels. Speed Tec Diesel considerably improves vehicle acceleration.

Review: Speed Tec Diesel - Alles war super, blitzschnell versendet und die Ware ist absolut spitzenmässig. Jederzeit wieder!!!!mein Auto läuft jetzt um einiges besser und ruhiger.
Review: Speed Tec - It work fine.

## Features

- This advanced fuel additive has been developed specifically to noticeably improve acceleration in the partial load range
- For all diesel engines with and without diesel particle filters
- Tested for turbo and catalytic converters

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00295I3NU |
| Brand | Liqui Moly |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,090) |
| Date First Available | 7 August 2012 |
| Item Weight | 203 g |
| Item model number | 3722 |
| Manufacturer | Liqui Moly GmbH |
| Manufacturer Part Number | 3722 |
| Model | LIQUI MOLY |
| Product Dimensions | 63.8 x 21.31 x 20.5 cm; 203 g |
| Safety Rating | Não aplicável |

## Images

![Speed Tec Diesel Additive (250 ml) - Image 1](https://m.media-amazon.com/images/I/81Q9I2dm8HL.jpg)

## Questions & Answers

**Q: I just bought a 2015 passat tdi se, will this work with it?**
A: Hello,
Yes, this can you be used on your diesel engine.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Speed Tec Diesel
*by H***U on 21 December 2016*

Alles war super, blitzschnell versendet und die Ware ist absolut spitzenmässig. Jederzeit wieder!!!!mein Auto läuft jetzt um einiges besser und ruhiger.

### ⭐⭐⭐⭐ Speed Tec
*by A***R on 10 October 2019*

It work fine.

### ⭐⭐⭐⭐⭐ It worked for me
*by R***S on 20 April 2026*

Treatment still ongoing but first signs are good, engine is running smoother and also improved MPG.

## Frequently Bought Together

- Liqui Moly Speed Tec Diesel Additive (250 ml), Mix
- Liqui Moly 1811 Diesel Purge (500 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.pt/products/604790573-speed-tec-diesel-additive-250-ml](https://www.desertcart.pt/products/604790573-speed-tec-diesel-additive-250-ml)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-19*