---
product_id: 492002121
title: "Stanadyne Performance Formula Diesel Fuel Additive - Pack of 4 Pint Bottles - Part # 38565"
brand: "stanadyne"
price: "$260.94"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/492002121-stanadyne-performance-formula-diesel-fuel-additive-pack-of-4-pint
store_origin: US
region: United States of America
---

# 4% MPG Improvement Reduces Emissions Increases Horsepower Stanadyne Performance Formula Diesel Fuel Additive - Pack of 4 Pint Bottles - Part # 38565

**Brand:** stanadyne
**Price:** $260.94
**Availability:** ✅ In Stock

## Summary

> 🚗 Fuel Your Drive with Confidence!

## Quick Answers

- **What is this?** Stanadyne Performance Formula Diesel Fuel Additive - Pack of 4 Pint Bottles - Part # 38565 by stanadyne
- **How much does it cost?** $260.94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/492002121-stanadyne-performance-formula-diesel-fuel-additive-pack-of-4-pint)

## 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

- • **Protect Your Investment:** Lubricity improvers restore essential protection to ultra-low sulfur diesel fuels, reducing wear.
- • **Eco-Friendly Performance:** Minimize smoke and particulates, contributing to a cleaner environment with every mile.
- • **Fuel Efficiency Redefined:** Achieve an average of 4% better MPG, saving you money and time on the road.
- • **Smooth Starts, Quiet Rides:** Our cetane improver enhances combustion for effortless engine starts and a quieter drive.
- • **Unleash Your Engine's Potential:** Experience a boost in horsepower with our advanced detergents that clean your injection system.

## Overview

The Stanadyne Performance Formula Diesel Fuel Additive comes in a convenient pack of 4 pint bottles, designed to enhance diesel fuel performance. It restores horsepower, improves fuel efficiency by an average of 4%, and reduces emissions, making it an essential addition for any diesel engine owner looking to optimize performance and protect their investment.

## Description

Performance Formula Diesel Fuel Additive - Pack of 4 Pint Bottles - Part # 38565

## Features

- Restores/Increase Horsepower - detergents clean deposits in the injection system
- 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 |
|---------------|-------|
| Fuel type | Diesel |
| UPC | 857123005012 |
| Manufacturer | Stanadyne |
| Product Dimensions | 25.4 x 17.78 x 12.7 cm; 453.59 g |
| Item model number | 8 |
| Manufacturer part number | 38565-4P |
| OEM Part Number | 38565 |
| Item Weight | 454 g |

## Product Details

- **Brand:** Stanadyne
- **Colour:** Blue
- **Material:** High Density Polyethylene (HDPE)
- **Item weight:** 454 g
- **Capacity:** 4 pints

## Images

![Stanadyne Performance Formula Diesel Fuel Additive - Pack of 4 Pint Bottles - Part # 38565 - Image 1](https://m.media-amazon.com/images/I/91Z9TKbinVL.jpg)

## Frequently Bought Together

- Stanadyne Performance Formula Diesel Fuel Additive - Pack of 4 Pint Bottles - Part # 385654
- Stanadyne Performance Formula Diesel Injector Cleaner-Qty 2, 16oz Bottles # 43564
- Stanadyne Lubricity Formula Pint Bottle | Pack of 4 Bottles (16 oz 38560

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-21*