We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan

Customer Services

About Us

Customer Support

Our Other Brands:Hewyn|Selfship

We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan

Customer Services

About Us

Customer Support

Our Other Brands:Hewyn|Selfship

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

Name: ATS Chemical 505 CRO Oil System Treatment - 12 oz Engine Oil Additive - Cleans Sludge, Reduces Emissions, Quiet Smooth Idle & Restores Performance in
Brand: Ats Chemical
SKU: 650702802
Price: 147.04 EUR
Availability: InStock
Rating: 5 (5 reviews)

Product ID: 650702802

♻️Reduces emissions & sludge

⚙️Restores engine smoothness

🛢️12 oz precision dosing

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

€ 147.04

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Description

🛠️ Unlock your engine’s hidden potential — don’t let sludge steal your ride!

EMISSION REDUCER - Cuts harmful emissions for a greener, compliant ride
FRICTION FIGHTER - Enhances lubrication to reduce wear and extend engine life
QUIET POWER BOOST - Smooths idle and quiets noisy high-mileage engines
DEEP CARBON CLEANSE - Dissolves stubborn sludge & varnish for a like-new engine feel
UNIVERSAL COMPATIBILITY - Safe for gas & diesel engines, perfect for your fleet or daily driver

The 505 CRO Oil System Treatment is a 12 oz engine additive designed to clean internal deposits like sludge and varnish, improve lubrication, reduce emissions, and restore smooth, quiet performance in high-mileage gas and diesel engines. Trusted by professionals and enthusiasts alike, it’s easy to use and proven to extend engine life while optimizing efficiency.

Specifications

ASIN	B0CYXTJ8P6
Best Sellers Rank	#79,640 in Automotive ( See Top 100 in Automotive ) #319 in Oil & Fluid Additives
Brand	ATS Chemical
Customer Reviews	4.7 4.7 out of 5 stars (344)
Date First Available	30 March 2024
Item Weight	318 g
Item model number	DSI1040
Manufacturer	ATS Chemical
Manufacturer Part Number	1040
Model	505CRO
Product Dimensions	15.24 x 5.59 x 5.59 cm; 317.51 g

Reviews

B**.

First-hand evidence proves product very effectively cleans carbon build-up internal of your engine

4.02.2025

P**L

150,000 miles - this product helped me!

4.12.2025

D**.

Arrived in a timely manner

11.03.2026

W**N

Awesome Sauce.

26.03.2026

O**O

Great Result

25.10.2024

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.