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Item #:
16863418
MotorKote Catalytic and Exhaust Treatment | 16 oz., Single
90% of respondents would recommend this to a friend
Item #:
16863418
WST 89
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Formulated to protect and treat the Catalytic Converter and Exhaust System from oil poisons. This will aid in reducing the carbon footprint of your vehicle and improving overall performance; helping to increase fuel efficiency, and protect your converter.
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What Stands Out
Enhanced Engine Performance
MotorKote's catalytic and exhaust treatment significantly improves engine performance by reducing harmful emissions, leading to better fuel efficiency and prolonged engine lifespan.
Versatile 6-Pack
This convenient 6-pack ensures you have a treatment on hand when needed, making it ideal for regular maintenance and offering great value for enthusiasts and casual users alike.
Easy Application
Designed for simplicity, the 16 oz. bottle allows for quick and hassle-free application, ensuring even non-experts can effectively use it to enhance their vehicle's exhaust system.
Product Details
- Use to address warning light activation and before replacing catalytic converter
- Protects catalytic system from oil poisons and reduces phosphorus and zinc retention levels at catalyst inlet
- Helps clean oxygen sensor(s), lowers tail pipe emissions, and works for P0420 Catalytic Converter Code
- Universal Fit for all gasoline engines, catalytic converters, and oxygen sensors
- Recommended Usage: Add full bottle into 16 gallons of fuel or 1 ounce per gallon; lasts up to 6 months or 7,000 miles
- Tested and Trusted Since 1992, American Made, and Helps pass emissions test
| Item Form | Liquid |
| Scent | Unscented |
| Specific Uses For Product | Clears Error Codes, Prepares for Emissions Tests, Protects Catalytic Converter, Reduces Emissions, Restores System Efficiency, Safe for All Engines |
| Surface Recommendation | Engine |
| Special Features | Improves Combustion, Prepares for Emissions Test, Protects Catalytic Converter |
| Contains Liquid Contents? | Yes |
| Material Features | High-Quality Liquid Formula |
| Item Volume | 16 Fluid Ounces |
| Unit Count | 16.0 Fluid Ounces |
| Number of Items | 1 |
| Size | 16 Fl Oz (Pack of 1) |
| Brand Name | Motorkote |
| Global Trade Identification Number | 00741996103510 |
| Manufacturer | MotorKote |
| UPC | 741996103510 |
| Model Number | MK-10351 |
| Part Number | MK-10351 |
| Item Type Name | automotive-gas-additives |
| Included Components | (1) Catalytic and Exhaust Cleaner Treatment Fuel Additive, 16 fl. oz. |
| Brand | Motorkote |
| Specific Uses For Product | Clears Error Codes, Prepares for Emissions Tests, Protects Catalytic Converter, Reduces Emissions, Restores System Efficiency, Safe for All Engines See more |
| Material Feature | High-Quality Liquid Formula |
| Item Weight | 6 lbs (2.72 kg) |
Who Should Buy?
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Frequent Drivers
Ideal for those who drive long distances regularly, helping to maintain engine efficiency and reduce emissions.
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Old Vehicle Owners
Beneficial for owners of older vehicles experiencing exhaust issues, improving performance and reducing catalytic converter problems.
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DIY Mechanics
Great for DIY car enthusiasts looking to enhance engine performance and extend the life of exhaust systems.
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New Vehicle Users
Not necessary for new cars under warranty, as they already have optimized systems and treatment systems.
Product Description
MotorKote Catalytic and Exhaust Treatment | 16 oz., Single
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is MotorKote Catalytic and Exhaust Treatment used for?
Answer: MotorKote Catalytic and Exhaust Treatment is designed to clean and maintain the catalytic converters and exhaust systems of vehicles. It helps to reduce emissions, prevent the buildup of harmful deposits, and improve overall engine performance. Regular usage can lead to a cleaner exhaust system, enhanced fuel efficiency, and smoother engine operation, particularly in older vehicles that may be experiencing emission-related issues. -
Question:
How do I apply MotorKote Catalytic and Exhaust Treatment?
Answer: To apply, simply pour the desired amount of MotorKote into your vehicle's fuel tank. The recommended dosage is typically one bottle for every 20 gallons of fuel. This treatment works as the engine runs, effectively cleansing the catalytic components and exhaust system as fuel circulates. This method ensures optimal distribution within the system, improving the combustion process and helping to break down deposits built up over time. -
Question:
Is MotorKote safe for all types of vehicles?
Answer: Yes, MotorKote Catalytic and Exhaust Treatment is safe for use in gasoline and diesel engines. It's formulated to work with various vehicle types, including cars, trucks, and SUVs. Users appreciate its versatility, as it caters to a wide range of engines without risking damage or adverse effects. This makes it an excellent option for both personal and commercial fleets looking to enhance engine efficiency and lower emissions. -
Question:
Can MotorKote help improve my vehicle's fuel efficiency?
Answer: Yes, by utilizing MotorKote Catalytic and Exhaust Treatment, many users experience improved fuel efficiency. The treatment effectively cleans carbon build-up and other deposits in the exhaust system, enabling better airflow and combustion. A cleaner engine operates more efficiently, allowing it to use fuel more effectively, which can lead to noticeable improvements in mileage over time. -
Question:
How often should I use MotorKote Catalytic and Exhaust Treatment?
Answer: For optimal performance, it is recommended to use MotorKote Catalytic and Exhaust Treatment every 3,000 miles or with every oil change. This consistent application helps maintain a clean exhaust system and prevents the accumulation of carbon deposits. Regular usage leads to long-term benefits such as enhanced engine performance and lower emissions, making it a proactive choice for car maintenance. -
Question:
What are the benefits of using MotorKote during cold weather?
Answer: Using MotorKote Catalytic and Exhaust Treatment in cold weather can vastly improve your vehicle's start-up performance by ensuring that the catalytic converter operates efficiently right from the start. Cold temperatures can exacerbate issues with exhaust systems, but this treatment helps to prevent the build-up of moisture and carbon deposits, ensuring smoother operation, better fuel combustion, and reduced vehicle emissions in frigid conditions. -
Question:
Will MotorKote Catalytic and Exhaust Treatment work on a vehicle with an existing check engine light?
Answer: While MotorKote can improve the performance of your exhaust system, it’s important to diagnose the underlying cause of the check engine light. The treatment can help clear minor codes related to emissions or catalyst efficiency if they are due to carbon build-up. However, if the issue is more severe, it may require professional mechanical assistance. Users often report better engine performance after using the product, but it's not a substitute for proper diagnostics. -
Question:
How does MotorKote compare to other exhaust treatments on the market?
Answer: MotorKote stands out from other exhaust treatments due to its unique formulation that not only cleans but also protects the catalytic converter and exhaust system from future deposits. Many users appreciate its dual-action capability, which helps in both treatment and prevention. Additionally, it is available in a convenient 16 oz. pack, making it an economical choice for regular maintenance compared to alternatives that may only offer temporary relief. -
Question:
Is it safe to use MotorKote in conjunction with other automotive products?
Answer: Yes, MotorKote Catalytic and Exhaust Treatment is designed to be compatible with other automotive products. It can be safely used alongside fuel additives and engine oils without adverse reactions. This flexibility is beneficial for users who want to enhance their vehicle's performance by trying multiple enhancements simultaneously. Many car enthusiasts combine it with a fuel system cleaner for maximized benefits across their vehicle's systems. -
Question:
Where can I buy MotorKote Catalytic and Exhaust Treatment | 16 oz., 6-Pack?
Answer: You can purchase MotorKote Catalytic and Exhaust Treatment | 16 oz., 6-Pack at Ubuy. Ubuy offers a range of automotive products, ensuring that you can find the treatment you need conveniently online with options for delivery straight to your location in Samoa.
Motorkote Fuel System Cleaners MK-10351 Editorial Review
The Motorkote MK-10351-06 Catalytic and Exhaust Treatment Emissions Control claims to improve acceleration and reduce emissions in vehicles with clogged catalytic converters. However, customer reviews suggest that the product does not always deliver on its promises. Some customers reported that it did not turn off their check engine light or resolve their P0420 code. Others found the bottle difficult to open and had difficulty measuring the amount to use. One customer even recommended using a different brand of treatment. Overall, the effectiveness of the Motorkote MK-10351-06 Catalytic and Exhaust Treatment Emissions Control seems to vary, and it may not be the best option for resolving catalytic converter issues.
Customer Reviews & Ratings
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Pros
- May improve acceleration in vehicles with clogged catalytic converters
- Claims to reduce emissions and help pass emission inspections
Cons
- Does not always turn off check engine light or resolve P0420 code
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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WST 89
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Features & Benefits
- Protects and treats the Catalytic Converter and Exhaust System from oil poisons
- Reduces the carbon footprint of the vehicle
- Improves overall performance
- Increases fuel efficiency
- Lasts up to 6 months or 7,000 miles
- Safe for use in all gasoline engines, catalytic converters, and oxygen sensors
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