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Quantity
1
Description
SynShield® Ultra Performance 10W-30 Diesel Engine Oil is a premium performance, synthetic plus, heavy-duty diesel engine oil formulated to provide maximum protection against wear, oxidation, deposit formation, soot contamination and aeratio...
Reviews
4.4
9 ratings
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I farm and I love the Shaeffer products.
D
Doug · December 5, 2025
Awesome products and really quick shipping.
B
Brent · September 30, 2025
I'm pulling a 42' 5th wheel with my 2025 RAM 3500. I changed the oil at 800 miles, and the difference was noticeable - the motor idled smoother, it was quiet.
Its loving the new oil!