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🛢️ Power up your diesel—because your engine deserves the best fuel formula!
Stanadyne Diesel Performance Formula 38566 is a premium 64-ounce diesel additive that treats up to 240 gallons of fuel. Engineered by a leading fuel injection manufacturer and approved by top OEMs like GM and Ford, it boosts fuel economy, horsepower, and torque while protecting your engine year-round. Ideal for all diesel engines including on-road, off-road, and marine, this additive meets rigorous cleanliness standards and is proven to reduce engine wear.
| ASIN | B000M5QPSY |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #12,382 in Automotive ( See Top 100 in Automotive ) #24 in Diesel Additives |
| Brand | Stanadyne |
| Brand Name | Stanadyne |
| Compatible with Vehicle Type | All Diesel Engines: On Road - Off Road - Marine |
| Container Type | Can, Jug |
| Customer Reviews | 4.8 out of 5 stars 765 Reviews |
| Liquid Volume | 64 fluid ounces |
| Manufacturer | Stanadyne |
| Manufacturer Part Number | 38566 |
| Model Number | 5 |
| Package Information | Can, Jug |
| Part Interchange Info | 38566 |
| Size | 64oz |
| UPC | 753167924442 026508385661 |
| Unit Count | 64 Fluid Ounces |
| Vehicle Service Type | All Diesel Engines: On Road - Off Road - Marine |
B**A
Great Product Highly Recommend for Diesel Engines
I use my oil sampling program to test this product.. After using Stanadyne the iron count in my oil sample decreased. To double check it I did not use it for the next oil change cycle and the iron count went back up. I used Stanadyne no treatment to the next oil change cycle and the iron count went back down. Definitely a good product to lubricate your fuel system and reduce wear on your engine
J**L
Best diesel fuel treatment and best price
This is the best diesel treatment for my 93 Ford F250 4X4 7.3 IDI turbo diesel. Best price too!
B**Y
Stanadyne Diesel Performance Formula
Works great for Diesel vehicles. For lubrication in your vehicle. Helps with gas mileage. Durability is great. It’s a great product to use in diesel engines. You get better performance when you use it. It’s better than other Brands.
H**Y
Quality product
Good product helped keep my diesel running smoothly
R**C
Great viscosity
The mechanic at work suggested this brand.
W**S
Works well
No leakage. We use a smaller bottle to add to fuel tank
W**I
Use it!
Been using it in my diesels for years! Best stuff I've found for keeping injectors quiet. Great product from a company that makes injectors!
M**B
Great product
Awesome product. Great price. Use it in my 2018 Duramax.
Trustpilot
1 day ago
1 month ago