Our Super-D XA (eXhaust Advantage) Diesel Engine Oil with Liquid Titanium protection additive is a premium-quality, part-synthetic API CK-4 engine oil.  It is specially formulated for compatibility with exhaust after-treatment systems using diesel particulate filters (DPF), diesel oxidation catalysts (DOC), and/or selective catalytic reduction (SCR).

Recommendation: For use in four-stroke diesel engines designed to meet 2007 and later EPA on-highway exhaust emissions standards.  It is back-serviceable for use in pre-2007 diesel engines.

API Service: CK-4 CJ-4, CI-4 PLUS

Packaging: Quart / Gallon / Drum