---
product_id: 417639509
title: "SAFECASTLE PRI-D Complete Diesel Treatment – Super Concentrated Diesel Fuel Additive Treats up to 256 Gallons, Helps Support Fuel Lubricity and Stability for Diesel Engines, 16 oz (1 Pack)"
brand: "safecastle"
price: "€ 93.97"
currency: EUR
in_stock: true
category: "Safecastle"
url: https://www.desertcart.hr/products/417639509-safecastle-pri-d-complete-diesel-treatment-super-concentrated-diesel-fuel
store_origin: HR
region: Croatia
---

# Prolongs diesel fuel storage life Boosts engine performance & lubricity Protects fuel system & reduces wear SAFECASTLE PRI-D Complete Diesel Treatment – Super Concentrated Diesel Fuel Additive Treats up to 256 Gallons, Helps Support Fuel Lubricity and Stability for Diesel Engines, 16 oz (1 Pack)

**Brand:** safecastle
**Price:** € 93.97
**Availability:** ✅ In Stock

## Summary

> 🛢️ Keep your diesel fresh, your engine fierce, and your peace of mind unstoppable!

## Quick Answers

- **What is this?** SAFECASTLE PRI-D Complete Diesel Treatment – Super Concentrated Diesel Fuel Additive Treats up to 256 Gallons, Helps Support Fuel Lubricity and Stability for Diesel Engines, 16 oz (1 Pack) by safecastle
- **How much does it cost?** € 93.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/417639509-safecastle-pri-d-complete-diesel-treatment-super-concentrated-diesel-fuel)

## Best For

- safecastle enthusiasts

## Why This Product

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

## Key Features

- • **Emission Smart:** Reduces harmful emissions for a cleaner, greener engine operation
- • **Emergency Ready Fuel:** Stabilizes stored diesel, ensuring your emergency equipment fires up when you need it most
- • **Sludge-Free Assurance:** Keeps tanks and fuel lines clean, preventing costly clogs and breakdowns
- • **Fuel Freshness, Guaranteed:** Restores diesel to refinery-fresh quality, even after long storage
- • **Engine Efficiency Unleashed:** Enhances lubricity to reduce fuel pump wear by up to 45%, cutting maintenance costs

## Overview

PRI-D Diesel Fuel Treatment and Stabilizer is a super concentrated additive designed to extend diesel fuel storage life, improve lubricity, enhance engine performance, reduce emissions, and protect the entire diesel fuel system. Ideal for emergency preparedness, it restores fuel freshness, prevents sludge buildup, and reduces fuel pump wear by up to 45%, ensuring reliable, efficient operation and lower maintenance costs.

## Description

Buy SAFECASTLE PRI-D Complete Diesel Treatment – Super Concentrated Diesel Fuel Additive Treats up to 256 Gallons, Helps Support Fuel Lubricity and Stability for Diesel Engines, 16 oz (1 Pack): Diesel Additives - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Emergency diesel fuel can degrade over time
- Storing diesel fuel with PRI-D diesel treatment will prolong the storage time of your emergency fuel and can actually restore diesel to refinery freshness if needed.
- Power Research Inc PRI-D diesel treatment is ideal for emergency diesel fuel treatment. It increases the lubricity of your fuel, keeps tanks and fuel lines sludge free, and improves engine performance.
- For an emergency preparedness minded person, the value of PRI-D cannot be calculated. This diesel treatment product keeps fuel at peak stability levels and prevents fuel degradation during long-term storage. This is important because one of the most common failures of emergency equipment is bad fuel that has been stored too long.
- Another key benefit of PRI-D is extended life of fuel pumps. Due to the high lubricity of this additive, wear reduction on ULSD fuels can be reduced by up to 45 percent. This can really reduce maintenance costs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B096Y89G8F |
| Best Sellers Rank | #11,183 in Automotive ( See Top 100 in Automotive ) #100 in Diesel Additives |
| Brand | SAFECASTLE |
| Customer Reviews | 4.7 4.7 out of 5 stars (92) |
| Date First Available | June 10, 2021 |
| Item Weight | 1 pounds |
| Manufacturer | Pri |
| Manufacturer Part Number | Pri-d |
| Package Dimensions | 7.05 x 4.37 x 2.13 inches |

## Images

![SAFECASTLE PRI-D Complete Diesel Treatment – Super Concentrated Diesel Fuel Additive Treats up to 256 Gallons, Helps Support Fuel Lubricity and Stability for Diesel Engines, 16 oz (1 Pack) - Image 1](https://m.media-amazon.com/images/I/61NpAUzZ7VS.jpg)

## Available Options

This product comes in different **Size, Flavor** options.

## Frequently Bought Together

- SAFECASTLE PRI-D Fuel Diesel Treatment for Lubricity & Stability Improved Performance, Maintenance, and Emissions Reductions, Maximum Lubricity Protection, Super Concentrated & Safe (16 Oz (2 Pack))
- PRI Fuel Stabilizer For Gasoline 32oz Power Output Reduces HC/NOx Emissions
- PRI-G Fuel Stabilizer- Gallon Size Unit Treats 2000 Gallons of Fuel

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**Shop now:** [https://www.desertcart.hr/products/417639509-safecastle-pri-d-complete-diesel-treatment-super-concentrated-diesel-fuel](https://www.desertcart.hr/products/417639509-safecastle-pri-d-complete-diesel-treatment-super-concentrated-diesel-fuel)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-09-07*