GMC Sierra 2500HD III (GMT900) Regular Cab Long Box
6.6 Duramax TD V8 (365 hp) Automatic
2007 — 2010
Diesel
Duramax LMM
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 GMC Sierra 2500HD III (GMT900) Regular Cab Long Box 6.6 Duramax TD V8 (365 hp) Automatic
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2007
GMC Sierra 2500HD III (GMT900) Regular Cab Long Box 6.6 Duramax TD V8 (365 hp) Automatic2008
GMC Sierra 2500HD III (GMT900) Regular Cab Long Box 6.6 Duramax TD V8 (365 hp) Automatic2009
GMC Sierra 2500HD III (GMT900) Regular Cab Long Box 6.6 Duramax TD V8 (365 hp) Automatic2010
GMC Sierra 2500HD III (GMT900) Regular Cab Long Box 6.6 Duramax TD V8 (365 hp) Automatic