Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
- No EU import duties. - Ships within 3-5 business days. (USA) - Ships with 8-12 business days. (International)
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Unlike some products that simply burn up and billow out your car's tailpipe, Marvel Mystery Oil offers long lasting protection to your car's hard-working engine by cleaning and adding a lubricating layer unparalleled by the other fuel and motor treatments. Adding Marvel Mystery Oil to your gas tank restores engine performance, improves gasoline mileage, extends spark plug life and prevents gum build-up. It also cleans and lubricates fuel injectors and carburetors. Added to oil, it prevents valve sticking and clatter, fortifies properties of engine oil, prevents breakdown caused by extreme temperatures, reduces and prevents acid and sludge formation and promotes easier freezing weather starts.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What is Marvel Mystery Oil and how does it benefit my engine?A: Marvel Mystery Oil is a versatile oil additive designed to clean and lubricate your engine, enhancing performance and fuel efficiency. By adding it to your gas tank and engine oil, it helps prevent gum build-up, improves gas mileage, and extends the life of spark plugs.
Q: How do I use Marvel Mystery Oil in my vehicle?A: To use Marvel Mystery Oil, add it to your fuel tank at a ratio of 1 ounce per gallon of gasoline. For engine oil, add it to your oil change to fortify engine protection and prevent breakdowns due to extreme temperatures.
Q: Is Marvel Mystery Oil safe for all types of engines?A: Yes, Marvel Mystery Oil is safe for use in all gasoline and diesel engines, including those with turbochargers and superchargers. It is formulated to prevent rust and corrosion, making it suitable for vehicles that use ethanol-containing fuels.
Q: Can Marvel Mystery Oil help with cold weather starts?A: Absolutely! Marvel Mystery Oil reduces cold weather starts by lubricating fuel injectors and carburetors, making it easier for your engine to start in freezing temperatures.
Q: How often should I use Marvel Mystery Oil for optimal results?A: For optimal results, add Marvel Mystery Oil to your fuel tank with every fill-up and incorporate it into your regular oil change routine. This consistent use helps maintain engine performance and prevents buildup.
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