---
product_id: 60665750
title: "Stanadyne Performance Formula Diesel Fuel Additive 3 Pack of 1/2 Gallon Jugs - Part # 38566"
brand: "stanadyne"
price: "€ 237.60"
currency: EUR
in_stock: true
reviews_count: 8
category: "Stanadyne"
url: https://www.desertcart.it/products/60665750-stanadyne-performance-formula-diesel-fuel-additive-3-pack-of-1
store_origin: IT
region: Italy
---

# 4% avg MPG boost Cold weather fuel stability Corrosion protection Stanadyne Performance Formula Diesel Fuel Additive 3 Pack of 1/2 Gallon Jugs - Part # 38566

**Brand:** stanadyne
**Price:** € 237.60
**Availability:** ✅ In Stock

## Summary

> ⛽ Power Up Your Diesel, Save More, Run Cleaner!

## Quick Answers

- **What is this?** Stanadyne Performance Formula Diesel Fuel Additive 3 Pack of 1/2 Gallon Jugs - Part # 38566 by stanadyne
- **How much does it cost?** € 237.60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/60665750-stanadyne-performance-formula-diesel-fuel-additive-3-pack-of-1)

## Best For

- stanadyne enthusiasts

## Why This Product

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

## Key Features

- • **Boost Your MPG by up to 9.6%:** Cut fuel costs and extend your drive with proven efficiency gains.
- • **Smooth Starts & Quieter Runs:** Cetane improvers optimize combustion for effortless ignition and reduced engine noise.
- • **Engine Armor Against Rust & Wear:** Advanced corrosion inhibitors and lubricity enhancers protect vital fuel system parts.
- • **Cold Weather Ready, Always Reliable:** Improves diesel pour point by up to 40°F, ensuring dependable starts in freezing temps.
- • **Cleaner Emissions, Cleaner Conscience:** Significantly lowers smoke and particulate output for eco-friendly performance.

## Overview

Stanadyne Performance Formula Diesel Fuel Additive 3-Pack delivers a comprehensive fuel system upgrade with 3 half-gallon jugs treating 750 gallons total. It enhances fuel economy by an average of 4%, boosts horsepower, reduces emissions, protects against corrosion and wear, and improves cold weather performance—all while being compatible with ultra low sulfur and B20 biodiesel fuels.

## Description

Stanadyne Diesel Fuel Additive Performance Formula The above price includes: 3 - 1/2 Gallon Jugs (64 oz.) Each Jug treats 250 Gallons of Diesel Fuel. The 3 Pack treats 750 Gallons of Diesel Fuel Virtually for every engine application big or small: ON ROAD – OFF ROAD – MARINE PRODUCT BENEFITS: Restores/Increase Horsepower – detergents clean deposits in the injection system resulting in improved combustion, better acceleration, power, and torque Reduces Fuel Consumption – independent tests show an average of 4% improvement in MPG and gains up to 9.6% Cetane Improver – improves combustion resulting in better engine starting, smooth running, and reduced engine noise Meets all engine fuel system requirements and will not harm exhaust aftertreatment systems Reduces Emissions – reduces Smoke and Particulates Cleans and Protects – detergents and deposit modifiers help protect injection pumps, injectors, nozzles, etc. Reduces Wear – lubricity improvers restore lubricity to ultra low sulfur and other low lubricity diesel fuels Stabilizes Fuel -keeps fuel fresher and protects against formations of gums caused by oxidation Cold Weather Protection – improves diesel pour point up to 40°F (22°C), and cold filter plug point by up to 25°F (13°C), depending on base fuel Corrosion Preventative – Corrosion inhibiters will protect the fuel system from rust and corrosion Helps Remove Water – special demulsifiers cause tiny water droplets to come out of suspension/emulsion, so the filter/separator can more effectively remove water Contains No Alcohol – avoids corrosion and accelerated wear Specially Formulated for use with ultra low sulfur diesel fuel Can be used with Bio Diesel Fuel up to B20 (20% bio content approved).

Review: Great product - Use with every fill up. My truck is a 2003 GMC and still going strong. No engine problems.
Review: Great Results with my Diesel Engine - Product improves Cetane and my engine operates much smoother. Provides lubricants needed for my diesel engine. Good value based on additive to fuel ratio. Improved my fuel economy.

## Features

- Corrosion inhibiters will protect the fuel system from rust and corrosion
- Reduces Fuel Consumption–tests show an average of 4% improvement in MPG and gains up to 9.6%
- Cetane Improver – improves combustion resulting in better engine starting, running & reduced noise
- Reduces Wear – lubricity improvers restore lubricity to ultra low sulfur diesel fuels
- Reduces Emissions – reduces Smoke and Particulates

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Stanadyne |
| Brand | Stanadyne |
| Item Weight | 11.38 pounds |
| Product Dimensions | 11 x 9 x 10 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 38566 - 3 Pack |
| OEM Part Number | 38566 |
| Special Features | Authorized Stanadyne Dealers: 1) Diamond Diesel & Turbocharger Service |

## Images

![Stanadyne Performance Formula Diesel Fuel Additive 3 Pack of 1/2 Gallon Jugs - Part # 38566 - Image 1](https://m.media-amazon.com/images/I/81TZJc4iViL.jpg)
![Stanadyne Performance Formula Diesel Fuel Additive 3 Pack of 1/2 Gallon Jugs - Part # 38566 - Image 2](https://m.media-amazon.com/images/I/81hNKNV1BiL.jpg)
![Stanadyne Performance Formula Diesel Fuel Additive 3 Pack of 1/2 Gallon Jugs - Part # 38566 - Image 3](https://m.media-amazon.com/images/I/917klzSma0L.jpg)
![Stanadyne Performance Formula Diesel Fuel Additive 3 Pack of 1/2 Gallon Jugs - Part # 38566 - Image 4](https://m.media-amazon.com/images/I/81YocGm9aNL.jpg)
![Stanadyne Performance Formula Diesel Fuel Additive 3 Pack of 1/2 Gallon Jugs - Part # 38566 - Image 5](https://m.media-amazon.com/images/I/81A28YHoA3L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by B***S on December 18, 2025*

Use with every fill up. My truck is a 2003 GMC and still going strong. No engine problems.

### ⭐⭐⭐⭐⭐ Great Results with my Diesel Engine
*by A***7 on March 17, 2024*

Product improves Cetane and my engine operates much smoother. Provides lubricants needed for my diesel engine. Good value based on additive to fuel ratio. Improved my fuel economy.

### ⭐⭐⭐⭐⭐ BEST
*by K***R on December 15, 2025*

great for diesels

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-05-13*