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⚙️ Drive smarter, last longer — the ultimate shield for your engine!
Schaeffer Manufacturing’s SynShield OTR Plus 10W-30 is a premium synthetic heavy-duty diesel engine oil designed to maximize fuel economy and engine durability. Engineered with proprietary friction modifiers Micron Moly and Penetro, it excels in cold starts, heat resistance, and soot control, meeting and exceeding API CK-4 standards for modern emission-compliant diesel engines.
| Asin | B06XYN4SKG |
| Automotive Fit Type | Vehicle Specific Fit |
| Brand Name | Schaeffer Manufacturing Co |
| Compatible With Vehicle Type | Truck |
| Container Type | Bottle |
| Country Of Origin | USA |
| Customer Reviews | 4.9 4.9 out of 5 stars (103) 4.9 out of 5 stars |
| Liquid Volume | 32 Fluid Ounces |
| Manufacturer | Schaeffer Manufacturing Co. |
| Manufacturer Part Number | 0711CK4-012S |
| Model | 0711CK4-012S |
| Number Of Packs | 1 |
| Sae J300 Viscosity Grade | 10W-30 |
| Size | 1 Quart |
| Unit Count | 1 Count |
| Upc | 744954027613 |
| Viscosity Level | Medium |
| What Is In The Box | 1 quart of oil |
User
GREAT PRODUCT
Absolutely love Schaeffers products
User
Great stuff
Love this stuff use it in my F350
User
Over 140,000 miles review
It has kept my 2017 Nissan titan xd running perfect . I’ve heard of people blowing turbos . I change my oil every 3000 to 5000 miles . 10 quart in 10 quart out zero oil burned .
User
So far the best oil I've ran in my 2024 and 2006 PSDs. Survives the shear!
I've ran this oil originally in my 2006 6 liter PSD, and it survives the typical shear that this engine is famous for under normal drain intervals. My 2024 6.7 HO really likes it and gives me great mileage. This is the mostly synthetic flavor, I'm trying the full synthetic currently to see if there's any improvement over already awesome. I believe so far this oil also outperforms Liqui-Moly Special Tech AA 10w30 diesel oil as well in my 2024. Schaeffer makes some truly impressive lubricants!
User
Great oil for the 6.0
Put this in my 2005 6.0, she loves it. Definitely a different truck
Trustpilot
2 weeks ago
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