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🛢️ Drive smarter, last longer — SynShield your diesel’s future!
Schaeffer’s SynShield Ultra Performance 10W-30 is a synthetic plus diesel engine oil engineered for severe duty trucks and buses. It delivers exceptional wear protection with proprietary friction modifiers, enhances fuel economy, and maintains engine cleanliness by controlling soot and deposits. Compatible with modern emission systems, it meets and exceeds API CK-4 standards, making it ideal for heavy stop-and-go and long-haul applications.
| ASIN | B06XG8KD84 |
| Best Sellers Rank | #87,128 in Automotive ( See Top 100 in Automotive ) #632 in Motor Oils |
| Brand | Schaeffer Manufacturing Co |
| Brand Name | Schaeffer Manufacturing Co |
| Compatible with Vehicle Type | Bus, Truck |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 85 Reviews |
| Global Trade Identification Number | 00744954027699 |
| Included Components | one bottle of engine oil |
| Item Type Name | SynShield |
| Liquid Volume | 128 Fluid Ounces |
| Manufacturer | Schaeffer Manufacturing Co. |
| Manufacturer Part Number | 0722-006S |
| Manufacturer Warranty Description | Check with manufacturer. |
| Model Number | 0722-006S |
| Number of Packs | 1 |
| Package Information | Bottle |
| Size | 1 Gallon |
| UPC | 744954027699 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Bus, Truck |
B**N
Perfect for 6.7 Cummins
Running this is a 2024 6.7 Cummins I put 50k loaded miles a year on the truck. Pulling about 23k pounds. This is the best oil you can buy in my opinion. My truck likes it. It does all the right things. Highly recommend this for anyone wanting the best of the best.
J**D
Great
Excellent product run it in my 6.7 ram 354,000 miles
A**R
I think it's worth the price.
This oil is really good! I use it in my 6.7cummins and you can really tell the difference.
G**N
will use it again
Very good oil
A**R
The best
Just the best.
J**Y
I don’t know what they put in here but…Dam
I’ve been running Rotella in my personal and fleet trucks for quite some time now. Just got delivery of my new Ram 3500 limited(comes from factory with T5 rotella)…or so I’m told. Fast forward 2 weeks I put 2k miles on her and that’s right around the time I do my first oil change on all my diesels. I decided to grab this stuff on a recommendation from a good friend, didn’t expect nothin much of it as a difference from rotella. Boy oh boy was I wrong. Right after driving off from said oil change I could easily feel and hear the engine performing differently in a good way obviously, fast forward a few days and I went from 13.4 mpg to almost 16. Did not change a dam thing other than oil. Still driving the same if not faster. From now on all my trucks are running this oil.
R**L
Molly is the best lubrcating material on the planet
I’ve been a professional auto mechanic for 35 years. the best oil I’ve ever used.
R**H
History shows Schaeffer's is the best
I use this oil in a 2007 F-350 SRW 6.0 bulletproofed powerstroke and also a 2020 Ford F-450 6.7. It meets the Ford spec and it's one of the best oils in a Ford diesel. I have analysis and used delvac, rotella, delo and Amsoil. Best mpg, best wear protection. In 8k miles in a 6.0, total of 9ppm for iron and 3 for copper.
Trustpilot
1 week ago
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