Chevrolet Silverado 2500 HD
6.6 Duramax V8 (445 hp) Automatic
2020 — 2023DieselDuramax L5P
Chevrolet Silverado 2500 HD IV (T1XX) Double Cab Long Bed
6.6 Duramax V8 (445 hp) Automatic
2020 — 2023
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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Select year of manufacture Chevrolet Silverado 2500 HD IV (T1XX) Double Cab Long Bed 6.6 Duramax V8 (445 hp) Automatic
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2020
Chevrolet Silverado 2500 HD IV (T1XX) Double Cab Long Bed 6.6 Duramax V8 (445 hp) Automatic2021
Chevrolet Silverado 2500 HD IV (T1XX) Double Cab Long Bed 6.6 Duramax V8 (445 hp) Automatic2022
Chevrolet Silverado 2500 HD IV (T1XX) Double Cab Long Bed 6.6 Duramax V8 (445 hp) Automatic2023
Chevrolet Silverado 2500 HD IV (T1XX) Double Cab Long Bed 6.6 Duramax V8 (445 hp) Automatic