---
product_id: 619551641
title: "ATS Chemical 505 CRO Oil System Treatment - 12 oz Engine Oil Additive - Cleans Sludge, Reduces Emissions, Quiet Smooth Idle & Restores Performance in High-Mileage Gas & Diesel Engines"
brand: "ats chemical"
price: "406.21 DT"
currency: TND
in_stock: true
category: "Ats Chemical"
url: https://www.desertcart.tn/products/619551641-ats-chemical-505-cro-oil-system-treatment-12-oz-engine
store_origin: TN
region: Tunisia
---

# Cuts emissions significantly Restores engine components 12 oz concentrated power ATS Chemical 505 CRO Oil System Treatment - 12 oz Engine Oil Additive - Cleans Sludge, Reduces Emissions, Quiet Smooth Idle & Restores Performance in High-Mileage Gas & Diesel Engines

**Brand:** ats chemical
**Price:** 406.21 DT
**Availability:** ✅ In Stock

## Summary

> 🛠️ Unlock your engine’s hidden potential — drive cleaner, quieter, stronger!

## Quick Answers

- **What is this?** ATS Chemical 505 CRO Oil System Treatment - 12 oz Engine Oil Additive - Cleans Sludge, Reduces Emissions, Quiet Smooth Idle & Restores Performance in High-Mileage Gas & Diesel Engines by ats chemical
- **How much does it cost?** 406.21 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/619551641-ats-chemical-505-cro-oil-system-treatment-12-oz-engine)

## Best For

- ats chemical enthusiasts

## Why This Product

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

## Key Features

- • **Emission Reducer:** Lowers harmful exhaust for eco-conscious driving
- • **Deep Sludge Cleaner:** Dissolves stubborn deposits for peak engine health
- • **Smooth Idle Enhancer:** Quiets engine noise for a refined ride
- • **High-Mileage Restorer:** Revives performance in aging gas & diesel engines
- • **Comprehensive System Treatment:** Targets rings, lifters, phasers & more for total engine care

## Overview

ATS Chemical 505 CRO Oil System Treatment is a 12 oz engine additive designed to clean sludge buildup, reduce emissions, and restore smooth idle and performance in high-mileage gas and diesel engines. Trusted by thousands with a 4.6-star rating, it targets critical sticking components like piston rings and camshaft phasers to extend engine life and efficiency.

## Description

Buy ATS Chemical 505 CRO Oil System Treatment - 12 oz Engine Oil Additive - Cleans Sludge, Reduces Emissions, Quiet Smooth Idle & Restores Performance in High-Mileage Gas & Diesel Engines: Fuel Additives - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Sticking piston rings
- Sticking lifters
- Sticking camshaft phasers
- Sticking oil control valve
- Sticking timing chain tensioner
- Restricted lubricating screens

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CYXTJ8P6 |
| Best Sellers Rank | #4,843 in Automotive ( See Top 100 in Automotive ) #32 in Engine & Oil Fluid Additives |
| Brand | ATS Chemical |
| Customer Reviews | 4.6 4.6 out of 5 stars (324) |
| Date First Available | March 24, 2024 |
| Item Weight | 11.2 ounces |
| Item model number | DSI1040 |
| Manufacturer | ATS Chemical |
| Manufacturer Part Number | 1040 |
| Model | 505CRO |
| Product Dimensions | 6 x 2.2 x 2.2 inches |

## Images

![ATS Chemical 505 CRO Oil System Treatment - 12 oz Engine Oil Additive - Cleans Sludge, Reduces Emissions, Quiet Smooth Idle & Restores Performance in High-Mileage Gas & Diesel Engines - Image 1](https://m.media-amazon.com/images/I/61nqOcAbPFL.jpg)
![ATS Chemical 505 CRO Oil System Treatment - 12 oz Engine Oil Additive - Cleans Sludge, Reduces Emissions, Quiet Smooth Idle & Restores Performance in High-Mileage Gas & Diesel Engines - Image 2](https://m.media-amazon.com/images/I/81P5KWBmmuL.jpg)
![ATS Chemical 505 CRO Oil System Treatment - 12 oz Engine Oil Additive - Cleans Sludge, Reduces Emissions, Quiet Smooth Idle & Restores Performance in High-Mileage Gas & Diesel Engines - Image 3](https://m.media-amazon.com/images/I/71QRrPNrqUL.jpg)
![ATS Chemical 505 CRO Oil System Treatment - 12 oz Engine Oil Additive - Cleans Sludge, Reduces Emissions, Quiet Smooth Idle & Restores Performance in High-Mileage Gas & Diesel Engines - Image 4](https://m.media-amazon.com/images/I/71DAAsKGSCL.jpg)
![ATS Chemical 505 CRO Oil System Treatment - 12 oz Engine Oil Additive - Cleans Sludge, Reduces Emissions, Quiet Smooth Idle & Restores Performance in High-Mileage Gas & Diesel Engines - Image 5](https://m.media-amazon.com/images/I/812FEXXfFlL.jpg)

## Available Options

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

## Frequently Bought Together

- ATS Chemical 505 CRO Oil System Treatment (505 CRO Oil System Treatment 12 FL OZ)
- ATS Chemical 505 CRF Fuel System Treatment, 16 fluid ounces
- ATP Automotive AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tn/products/619551641-ats-chemical-505-cro-oil-system-treatment-12-oz-engine](https://www.desertcart.tn/products/619551641-ats-chemical-505-cro-oil-system-treatment-12-oz-engine)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-16*