---
product_id: 259497874
title: "- Archoil Ultimate Diesel Kit - AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz)"
brand: "archoil"
price: "€ 209.35"
currency: EUR
in_stock: true
reviews_count: 13
category: "Archoil"
url: https://www.desertcart.fi/products/259497874-archoil-ultimate-diesel-kit-ar9100-friction-modifier-16oz-ar6500-diesel
store_origin: FI
region: Finland
---

# Treats 400 gallons per 40oz 12oz fuel system cleaner for rapid soot removal 16oz friction modifier for engine longevity - Archoil Ultimate Diesel Kit - AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz)

**Brand:** archoil
**Price:** € 209.35
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock Peak Diesel Performance & Reliability Today!

## Quick Answers

- **What is this?** - Archoil Ultimate Diesel Kit - AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz) by archoil
- **How much does it cost?** € 209.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/259497874-archoil-ultimate-diesel-kit-ar9100-friction-modifier-16oz-ar6500-diesel)

## Best For

- archoil enthusiasts

## Why This Product

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

## Key Features

- • **Cold Start Confidence:** Experience easier startups and less engine wear in any weather.
- • **Fuel System Revitalizer:** AR6400-D cleans injectors fast, reducing buildup and improving combustion.
- • **Maximize Engine Efficiency:** Boost your diesel’s power and smoothness with AR9100 friction modifier.
- • **Long-Lasting Diesel Treatment:** AR6500 treats up to 400 gallons, ensuring peak performance at every fill-up.
- • **Trusted by Pros & Enthusiasts:** Top-rated kit with 4.8 stars and thousands of satisfied diesel drivers.

## Overview

The Archoil Ultimate Diesel Kit combines three top-tier additives—AR9100 Friction Modifier, AR6500 Diesel Treatment, and AR6400-D Fuel System Cleaner—to restore engine performance, clean fuel systems rapidly, and boost cetane levels. Designed for diesel vehicles, this kit treats up to 400 gallons per use, reduces soot buildup, and improves cold starts, making it a must-have for diesel owners seeking longevity and reliability.

## Description

Buy Archoil Ultimate Diesel Kit - AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz): Diesel Additives - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Noticeable Improvement in Diesel Generator Performance - I use these in my diesel generator, and the results have been great. It’s reduced soot buildup, made cold starts much easier, and gives me real peace of mind knowing my generator will run longer with fewer issues down the road. Excellent product — definitely worth it if you want to extend the life and reliability of your diesel engine.
Review: Impressive products with great Results!! - This is an outstanding product that works well with my diesel truck. Very satisfied overall and will continue using these products.

## Features

- The Ultimate Diesel Kit - Includes three Archoil best-sellers
- AR9100 Friction Modifier (16oz)
- AR6500 Diesel Treatment (40oz) - Treats 400 Gallons (Use at every fill-up)
- AR6400-D Diesel Fuel System Cleaner (12oz)
- Must-have kit for diesel vehicles - restores engine performance, rapidly cleans and boosts fuel system and provides cetane boost

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08QNJ6GT9 |
| Best Sellers Rank | #3,479 in Automotive ( See Top 100 in Automotive ) #18 in Diesel Additives |
| Brand | Archoil |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,764) |
| Date First Available | December 15, 2020 |
| Item Weight | 5.24 pounds |
| Manufacturer | Archoil |
| Manufacturer Part Number | AR-UDK |
| Package Dimensions | 12.59 x 6.42 x 6.4 inches |

## Images

![- Archoil Ultimate Diesel Kit - AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz) - Image 1](https://m.media-amazon.com/images/I/71rJAKio9BL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Noticeable Improvement in Diesel Generator Performance
*by A***Y on October 6, 2025*

I use these in my diesel generator, and the results have been great. It’s reduced soot buildup, made cold starts much easier, and gives me real peace of mind knowing my generator will run longer with fewer issues down the road. Excellent product — definitely worth it if you want to extend the life and reliability of your diesel engine.

### ⭐⭐⭐⭐⭐ Impressive products with great Results!!
*by P***N on January 20, 2026*

This is an outstanding product that works well with my diesel truck. Very satisfied overall and will continue using these products.

### ⭐⭐⭐⭐⭐ Very good product
*by D***S on December 25, 2025*

Did exactly what I needed.

## Frequently Bought Together

- Archoil Ultimate Diesel Kit - AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz)
- Motorcraft- Oil Filter
- Shell Rotella T6 Full Synthetic 5W-40 Motor Oil, 1 Gallon (3 Pack)

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**Shop now:** [https://www.desertcart.fi/products/259497874-archoil-ultimate-diesel-kit-ar9100-friction-modifier-16oz-ar6500-diesel](https://www.desertcart.fi/products/259497874-archoil-ultimate-diesel-kit-ar9100-friction-modifier-16oz-ar6500-diesel)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-11*