---
product_id: 278708533
title: "Archoil AR6500 Diesel Treatment (40 oz) Two Pack - Treats 800 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster"
brand: "archoil"
price: "770.82 DT"
currency: TND
in_stock: true
category: "Archoil"
url: https://www.desertcart.tn/products/278708533-archoil-ar6500-diesel-treatment-40-oz-two-pack-treats-800
store_origin: TN
region: Tunisia
---

# Treats 800 gallons total Boosts cetane by +8 points Improves lubricity by 43% Archoil AR6500 Diesel Treatment (40 oz) Two Pack - Treats 800 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster

**Brand:** archoil
**Price:** 770.82 DT
**Availability:** ✅ In Stock

## Summary

> 🔥 Drive cleaner, smoother, and smarter with Archoil AR6500!

## Quick Answers

- **What is this?** Archoil AR6500 Diesel Treatment (40 oz) Two Pack - Treats 800 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster by archoil
- **How much does it cost?** 770.82 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/278708533-archoil-ar6500-diesel-treatment-40-oz-two-pack-treats-800)

## 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

- • **Effortless Every Fill-Up Use:** Two 40 oz bottles treat 800 gallons total—just add at every fill for continuous engine care.
- • **Injector & Turbo Revitalizer:** Powerful detergent formula cleans injectors and turbo deposits, restoring peak performance.
- • **DPF Longevity & Reduced Regens:** Keep your Diesel Particulate Filter cleaner longer, cutting down costly regen cycles.
- • **Ultimate Fuel Efficiency Boost:** Boost your diesel’s cetane by up to 8 points for faster ignition and smoother rides.
- • **Comprehensive Engine Protection:** Enhance lubricity by 43% to safeguard sensitive fuel system components like CP4 pumps.

## Overview

Archoil AR6500 Diesel Treatment is a premium additive designed for all diesel engines, delivering a potent blend that boosts cetane by up to 8 points, improves fuel lubricity by 43%, and cleans injectors and turbo deposits. This two-pack treats up to 800 gallons, supports DPF health by reducing regeneration frequency, and ensures optimal engine performance and longevity with every fill-up.

## Description

Buy Archoil AR6500 Diesel Treatment (40 oz) Two Pack - Treats 800 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster: Diesel Additives - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- EASY USE AT EVERY FILL-UP (2-Pack Value): Add directly to the fuel tank at each fill-up. Includes two 40 oz bottles – each treats up to 400 gallons (800 gallons total)
- FOR ALL DIESEL ENGINES: Suitable for use in all diesel vehicles and equipment - light-duty, heavy-duty, pickup, SUV, van, RV, etc. (including modern HPCR systems)
- IMPROVES LUBRICITY (ASTM D6079): Tested to improve lubricity by 43% to help protect fuel system components, including wear-sensitive parts like the CP4 pump
- BOOSTS CETANE UP TO +8: Raises cetane up to 8 points for faster ignition, smoother combustion, and improved drivability; many engines run best around 48–50 while pump diesel is often 40–45
- CLEANS INJECTORS: AR6500's detergent package removes injector deposits and restores spray patterns for improved atomization, supporting better performance and fuel economy
- SUPPORTS DPF & REDUCES REGENS: Targets deposit formation to help keep the DPF clean and reduce regeneration frequency – restores performance, fuel economy, and extends DPF lifespan
- KEEPS TURBO CLEAN: Helps reduce fuel soot and deposit formation that impacts turbo response, restoring boost and smoother acceleration

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08QSLLNM8 |
| Best Sellers Rank | #182 in Automotive ( See Top 100 in Automotive ) #2 in Diesel Additives |
| Brand | Archoil |
| Customer Reviews | 4.8 4.8 out of 5 stars (3,946) |
| Date First Available | December 16, 2020 |
| Item Weight | 6.2 pounds |
| Item model number | AR6500-TP |
| Manufacturer | Archoil |
| Manufacturer Part Number | AR6500-TP |
| Model | AR6500 Diesel Treatment Two Pack |
| Product Dimensions | 6 x 6 x 10 inches |

## Product Details

- **Brand:** Archoil
- **Liquid Volume:** 80 Fluid Ounces
- **Package Information:** Bottle
- **UPC:** 608819243931
- **Vehicle Service Type:** Car, Truck, SUV, Van, RV

## Images

![Archoil AR6500 Diesel Treatment (40 oz) Two Pack - Treats 800 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster - Image 1](https://m.media-amazon.com/images/I/71HBIERvMYL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can it be used in my vehicle?**
A: AR6500 is suitable for use in all diesel vehicles, including newer systems such as High Pressure Common Rail.

**Q: What's the difference between AR6500 Diesel Treatment and AR6400-D Diesel Fuel System Cleaner?**
A: AR6400-D is a one-tank treatment that rapidly deep cleans the entire fuel system. AR6500 is a on-going maintainance treatment that improves fuel quality at every fill-up. For best results, use both with the Diesel Fuel System Kit.

## Frequently Bought Together

- Archoil AR6500 Diesel Treatment (40.6oz) Two Pack - Treats 800 Gallons - Additive for All Diesel Vehicles
- Archoil AR6400-D Diesel Fuel System Cleaner (Two Pack) - Cleans Injectors, Turbo & DPF
- Archoil Diesel Fuel System Kit - AR6500 Diesel Treatment (40 oz) + AR6400-D Diesel Fuel System Cleaner

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**Shop now:** [https://www.desertcart.tn/products/278708533-archoil-ar6500-diesel-treatment-40-oz-two-pack-treats-800](https://www.desertcart.tn/products/278708533-archoil-ar6500-diesel-treatment-40-oz-two-pack-treats-800)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-09*