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🛠️ Power up your engine’s longevity with every drop!
Marvel Mystery Oil’s 1-gallon red transparent oil additive is engineered to protect engines from extreme temperature damage, prevent valve-sticking, and dissolve sludge and carbon deposits. With a high flash point of 128°F and freezing point of -60°F, it ensures performance in diverse conditions. Compatible with a wide range of motorized vehicles, it also improves fuel efficiency by cleaning injectors and carburetor jets. Trusted by professionals and rated 4.8 stars, this mineral/synthetic blend is a must-have for engine care.
| ASIN | B00HQLVZ8W |
| Best Sellers Rank | #801,222 in Automotive ( See Top 100 in Automotive ) #314 in Engine & Oil Fluid Additives |
| Brand | Marvel Mystery Oil |
| Brand Name | Marvel Mystery Oil |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 398 Reviews |
| Flash Point | 128 °F |
| Item Form | Liquid |
| Item Weight | 5 pounds |
| Liquid Volume | 128 fluid ounces |
| Manufacturer | MARVEL MYSTERY OIL |
| Material | Mineral/Synthetic Oil |
| Model Number | 5 |
| Number of Packs | 1 |
| Package Information | Bottle |
| Part Number | MM14R |
| Recommended Uses For Product | Automotive |
| SAE J300 Viscosity Grade | 10W |
| Specific Uses For Product | Improving engine performance and protection in various motorized vehicles |
| Unit Count | 128 Fluid Ounces |
| Viscosity | 3.2 cSt |
D**N
Great air tool oil
Excellent product, repeat purchase
C**N
Very nice
Works great. Great price
D**L
Keeps fuel injectors working
Great additive. I use it in ALL my engines.
Z**B
Marvel Mystery Oil in the gallon size.
I'm a very busy man and this is very difficult to find at a good price. Walmart has it but they're never in stock. I need the gallon size because I added as an additive for my big truck. On an older truck this is an excellent additive to keep the valve train in good shape. Noticeable difference in my truck. I'm amazed at Amazon not only had it at a good price but I Can Count On the usual great quick delivery to my home.
K**C
Mystery Oil the best.
I started "treating" my 94 Blazer 5.7L at 272,000 miles. I was using a quart of oil every 3,000 miles before the treatment. I used it in both the oil and fuel tank. I now have 283,000 and counting. Other than a very negligible rear main seal leak (which previously existed), I am down to almost no oil consumption over the same mileage. The engine runs noticeably smoother, no longer puffs smoke at startup and has increased power. I used this product for many years and had just forgotten about it. I am very pleased with the results I have seen and definitely recommend it. Thanks.
B**P
Decades of quality and I use this in many of my machines. I add to 2 cycle gas too.
I wish I had one of the super cool 1950's 55 gallon metal drums of this like we once had at a shop I worked at when I was a boy. If it were full of MMO I'd most likely use it all up! I have a Valvoline metal can, and it's cool, but MMO is the best of art work and such a quality product.
D**T
Awesome sauce
Great stuff good price
S**N
Great product, poor bottle design
Great product. Only reason I didn’t give it 5 stars is because it spills very bad when trying to pour. Bottle could easily be designed with a none spill spout.
A**E
I have been using this for 50 years
This has been used in America for a century. Among other uses, great old school oil and gas additive for cleaning hydraulic lifters and top cylinder cleaning. Also a great penetrant and air tool lube. It smells good too.
Trustpilot
2 weeks ago
1 day ago