GMC Sierra 2500HD IV (GMTK2XX) Regular Cab Long Box
6.6 Duramax TD V8 (397 hp) 4WD Automatic
2015 — 2017
Diesel
Duramax LML
Oil capacity: 9.5 l
Recommended Engine Oils
High mileage (>150 000 km)
Priority to 40-viscosity oils for enhanced protection of worn components
Recommended Additives & Treatments
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