GMC Sierra 3500HD IV (GMTK2XX) Double Cab Long Box
6.6 Duramax TD V8 (445 hp) DRW Automatic
2017 — 2019
Diesel
Duramax L5P
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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