Catalytic Converter and O2 Sensor Cleaner Additive – Avelune
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Auto & Moto

Catalytic Converter and O2 Sensor Cleaner Additive

Chosen because customers reordered it
$33.95 $60.95 Save 44%

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Order today, estimated delivery Nov 23 – Dec 5 · Free shipping over $39

In stock — ships in 1–3 business days
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Free shipping over $39. Tracked to your door, 7–15 business days across the US.
30-day returns. Unused and in original condition. Wrong or damaged on arrival is on us.
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Answers within 24 hours, seven days a week, from a person who can see your order.
Shipping & delivery

Orders are processed in 1–3 business days, then delivered in 7–15 business days across the United States and 10–20 business days to other countries. You receive a tracking link by email as soon as your parcel leaves.

Standard shipping is free on orders of $39 or more. Below that it is a flat $8.99 in the US and $11.95 to other countries. Multi-item orders may arrive in separate parcels a few days apart, at no extra cost.

Returns & refunds

You have 30 days from delivery to return an unused item in its original condition. Email us and we send instructions the same day.

If an item arrives damaged, faulty or not what you ordered, contact us within 7 days with a photo and choose a free replacement or a full refund — you pay nothing to return it.

Enhance Your Vehicle's Performance and Emissions Compliance

This catalytic converter and O2 sensor cleaner additive is designed for petrol, diesel, and hybrid vehicles. It effectively removes soot and carbon deposits from the exhaust system, ensuring optimal performance and compliance with emission standards.

Why You'll Love It

  • Effective Cleaning: Removes soot and carbon deposits from the entire exhaust tract.
  • Fuel Efficiency: Increases fuel efficiency with regular use.
  • Engine Optimization: Optimizes engine performance and ensures proper functioning of the catalyst and lambda sensor.
  • Protection: Provides protection against renewed contamination.
  • Easy Application: Works while the engine is running and requires minimal effort.

Product Details

  • For use in all petrol and diesel engines and hybrid vehicles.
  • Consumption: 250 ml mix with 15 gallons of fuel.
  • Mixing Ratio: 1:300.
  • Works while the engine is running; drive for 40 minutes after adding to the fuel tank.

What's in the Box

  • 1 x Catalytic Converter and O2 Sensor Cleaner Additive (250 ml)
  • Instructions sheet

How to Use

  1. Add 250 ml of the cleaner to 15 gallons of fuel.
  2. Drive the vehicle for 40 minutes after adding the cleaner.
  3. Accelerate fully for a few seconds on open roads after 15 minutes.

Good to Know

For best results, use every 3-4 months. If the catalytic converter is completely clogged, consider consulting a professional for inspection.

FAQ

How often should I use this cleaner?
It is recommended to use it every 3-4 months.

Can I use it in hybrid vehicles?
Yes, it is suitable for all petrol, diesel, and hybrid vehicles.

What if my catalytic converter is completely clogged?
Consult a professional for inspection and consider using a specific DPF catalytic cleaner.

Specification
Category
Auto & Moto
Condition
New
Processing
1–3 business days
Delivery
7–15 business days in the US
Returns
30 days from delivery
Our part of the deal

Packed by hand.Tracked to your door.Backed for thirty days.

Avelune · Est. 2026
What you can count on

The part that happens after you order

Tracked shipping

Free on orders of $39 or more, a flat $8.99 in the US below that. Tracking on every single order, no exceptions.

30-day returns

Thirty days from delivery to change your mind on unused items. Wrong or damaged on arrival is on us, always.

Safe checkout

Visa, Mastercard, Amex, Discover, PayPal, Apple Pay, Google Pay and Shop Pay over an encrypted, PCI-compliant checkout.

People, not scripts

Email us any day of the week and a real person replies within 24 hours, usually much sooner.

From order to doorstep

What happens after you press buy

No mystery, no silent weeks. Here is the whole journey, with the timing we hold ourselves to.

01

We pick and check

Your order is routed to the partner warehouse holding that piece, pulled, inspected and packed for transit.

1–3 business days
02

It ships with tracking

You get an email with a tracking link the moment it leaves. Multi-item orders may travel in separate parcels, at no extra cost.

Tracking on every order
03

It reaches your door

Most US addresses receive within 7 to 15 business days of dispatch. If it runs long, write to us and we reship or refund.

7–15 business days
Before you order

Questions about this order

The three things customers ask most before buying. Anything else, email us and a person replies within a day.

When will this arrive?

We process in 1–3 business days, then delivery takes 7–15 business days across the United States and 10–20 business days elsewhere. You get a tracking link by email as soon as it ships.

What if it is not right?

You have 30 days from delivery to return an unused item in original condition. If it arrives damaged or wrong, send a photo within 7 days and pick a free replacement or a full refund — you pay nothing to return it.

Is shipping really free?

On orders of $39 or more, yes, to every destination we serve. Below $39 it is a flat $8.99 in the US and $11.95 to other countries.

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