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🛠️ Power your engine with the oil that means business — no compromises, just performance.
Briggs & Stratton 100170 Vanguard 15W-50 Heavy Duty Synthetic Engine Oil is a 5-quart premium synthetic lubricant designed specifically for Big Block Vanguard engines. Engineered to excel in commercial and continuous-use applications, it delivers superior thermal stability and reduces oil burning in high-temperature environments ranging from -7°C to 54°C. Trusted by professionals and recommended by dealers, this oil ensures consistent engine protection and performance across various vehicle types.
| ASIN | B07982XCHQ |
| Automotive Fit Type | Universal Fit |
| Brand | Briggs and Stratton |
| Brand Name | Briggs and Stratton |
| Compatible with Vehicle Type | Various |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 524 Reviews |
| Global Trade Identification Number | 00047282054888 |
| Item Weight | 0.01 Ounces |
| Liquid Volume | 4731.76 Milliliters |
| Liquid volume | 4731.76 Milliliters |
| Manufacturer | Briggs & Stratton |
| Manufacturer Part Number | 100170 |
| Model Number | 100170 |
| Package information | Bottle |
| SAE J300 Viscosity Grade | 15W-50 |
| Size | 5 Quart |
| UPC | 047282054888 |
| Unit Count | 160 Fluid Ounces |
| Vehicle service type | Various |
| Viscosity Level | Medium to High |
K**X
Very good oil and does reduce oil burning in old engines.
I love this oil and I've used it for a a few years now. This particular purchase you might notice that it says Briggs 4PK pack vanguard..... This does not mean a four pack referring to 4 gallon. It is a 5 quart container.
R**L
Reliable oil for heavy commercial use — dealer recommended and it shows
I use this on my Ferris mower for commercial work and have been doing oil changes with it for several years now. My dealer pointed me toward this oil and I've never had a reason to switch. When you're running a mower hard professionally, you don't want to mess around with what goes in the engine. This oil has never let me down — consistent performance change after change, and the engine runs exactly how it should. If you have a Ferris with a Briggs & Stratton engine and you're not sure what oil to use, I'd say talk to your dealer — and don't be surprised if this is exactly what they recommend too.
D**K
It's made for it
Best price i could find for the 37hp big block on my mower. This is on the factory list for best lubrication in a large temperature range. It works and is high quality. I think I may go with a slightly thinner oil after the warranty is up. Should get better fuel efficiency out of 10w40. The engine should run plenty col with thinner as well.
M**E
Excellent Performance and Long-Lasting Protection!
I’ve been using the Briggs & Stratton 100170 Vanguard 15W-50 Heavy Duty Synthetic Oil in my equipment for a while now, and I am incredibly impressed! This oil provides outstanding engine protection, even under the toughest working conditions. I’ve noticed a significant improvement in engine performance—smoother starts, quieter operation, and overall better fuel efficiency. It’s specifically designed for heavy-duty use, and it really shows in how well it performs in my lawn mowers, generators, and other power equipment. The synthetic formula makes this oil incredibly durable, and I’ve experienced less wear and tear on my engines compared to regular oils. The 5-quart size is perfect for those larger engines, reducing the number of refills needed. This oil really helps extend the life of my machines, and I feel confident that I’m getting the best protection for my investment. If you’re looking for a high-quality, long-lasting oil for your heavy-duty equipment, I highly recommend the Briggs & Stratton Vanguard Synthetic Oil.
R**E
Engine oil for Vanguard engine
Excellent oil for Vanguard engine.
Trustpilot
1 week ago
1 week ago