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🛠️ Power your outdoor gear with premium protection — don’t let your engine miss out!
STP Premium Synthetic Blend 4 Cycle Small Engine Oil SAE 10W-30 is a 32 fl oz synthetic blend motor oil designed for small engines in lawnmowers, generators, tractors, and snow blowers. Featuring an all-weather formula, it promotes easy starts year-round, fights thermal breakdown with antioxidants, reduces engine wear via anti-wear technology, prevents carbon buildup with detergents, and protects against corrosion during storage. Trusted by thousands, it’s the top choice for maintaining peak small engine performance.




| ASIN | B07SD97NW4 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #341 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1 in Four-Stroke Engine Oil |
| Brand | STP |
| Brand Name | STP |
| Compatible with Vehicle Type | Lawn Mower, Generator, Tractor, Snow Blower, Outdoor Power Equipment |
| Container Type | Can |
| Customer Reviews | 4.8 out of 5 stars 3,411 Reviews |
| Flash Point | 230 Degrees Celsius |
| Global Trade Identification Number | 00071153185883 |
| Included Components | STP Auto Performance Aid |
| Item Type Name | Auto Performance |
| Liquid Volume | 32 Fluid Ounces |
| Manufacturer | STP |
| Manufacturer Part Number | 18588 |
| Model Number | 18588 |
| Package Information | Can |
| SAE J300 Viscosity Grade | 10W-30 |
| Size | 32 OZ |
| UPC | 071153185883 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Lawn Mower, Generator, Tractor, Snow Blower, Outdoor Power Equipment |
| Viscosity Level | Low to Medium |
J**N
Great product at an affordable price.
I use this product on my home Honda generator. It works great and is fairly reasonably priced compared to some other offering.
S**H
Makes mower easier to start
After changing to this synthetic oil, my Honda mower starts on the first pull and seems to run smoother. Great product at a good price.
J**P
works for mower
good oil, good brand, good price works like it should for my mower
A**X
STP is good oil
Good brand of oil
T**T
Good oil for lawn equipment
I thought I was buying full synthetic... It is a blend. I needed more oil and I ultimately decided to keep it as for the use -- it will be fine. Usually I use Amsoil but my local shop sold out to a larger fish and they stopped carrying the product line. I know this is a big jump between the two, but I do change the oil annually and for my mowers, power washer, and snow blower -- this worked just fine for this time around. Next time I will be going back to my preferred Amsoil small engine full synthetic oil.
B**G
Good quality
Good oil. Specifically called for on one of my equipment. After several hours of running it’s still looking fresh with little discoloration. Not normally an STP guy, but it seems like this oil is a good product.
P**2
Good oil
Seems to work well in my small Ryobi generator
S**S
Outstanding product value
Outstanding product, exactly as needed.
J**S
Buen Producto
Llego despues del tiempo esperado pero todo bien
G**S
oil
Changed my oil excellent product
R**D
Qualité et efficacité !
Huile parfaite pour ma souffleuse 30" et mon moteur fonctionne comme un neuf.
R**A
Better
I really happy this item it is useful
C**N
huile moteur
conforme à mes attente
Trustpilot
2 weeks ago
2 months ago