{"id":736,"date":"2026-07-03T02:31:28","date_gmt":"2026-07-03T06:31:28","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2010-gmc-sierra-3500-pickup-6-6l-8-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-07-03T02:31:28","modified_gmt":"2026-07-03T06:31:28","slug":"2010-gmc-sierra-3500-pickup-6-6l-8-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2010-gmc-sierra-3500-pickup-6-6l-8-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"2010 GMC Sierra 3500 6.6L Duramax Diesel Oil & Maintenance Guide"},"content":{"rendered":"
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\"AMSOIL
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

What oil does a 2010 GMC Sierra 3500 6.6L Duramax take?<\/h2>\n

For the 2010 GMC Sierra 3500 with the 6.6L LMM 1 Diesel Turbo engine, the recommended oil viscosity is SAE 15W-40 for ambient temperatures above -18\u00b0C (0\u00b0F). For improved cold starting in temperatures below -18\u00b0C, use 5W-40. The engine requires an oil capacity of 10 quarts with a filter change. AMSOIL recommends using Signature Series 15W-40 Max-Duty Diesel Oil<\/a> or Heavy-Duty 100% Synthetic Diesel Oil<\/a>.<\/p>\n

AMSOIL product recommendations<\/h2>\n

The following AMSOIL products are recommended for your 2010 GMC Sierra 3500 6.6L LMM diesel engine based on the provided vehicle lookup data.<\/p>\n

Engine Oil Options<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nViscosity<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Signature Series Max-Duty Diesel Oil<\/td>\n15W-40<\/a><\/td>\nDMEQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Heavy-Duty 100% Synthetic Diesel Oil<\/td>\n15W-40<\/a><\/td>\nADPQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil Specification:<\/strong> CJ-4<\/p>\n

Oil Filter Options<\/h3>\n
\n\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Oil Filter<\/td>\nEAO52-EA<\/a><\/td>\n<\/tr>\n
WIX XP Oil Filter<\/td>\n57202XP-EA<\/a><\/td>\n<\/tr>\n
WIX Oil Filter<\/td>\n57202-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Air Filter & Coolant<\/h3>\n
\n\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nCode<\/th>\n<\/tr>\n
Air Filter<\/td>\nAMSOIL PowerCore\u00ae Filter<\/td>\nP610875-EA<\/a><\/td>\n<\/tr>\n
Coolant<\/td>\nAMSOIL Passenger Car & Light Truck Antifreeze<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
Coolant<\/td>\nAMSOIL Propylene Glycol Antifreeze<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Automatic Transmission Fluid<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Signature Series Fuel-Efficient ATF<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n
AMSOIL OE Fuel-Efficient ATF<\/td>\nOTLQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications and Details<\/h2>\n

Proper lubrication is vital for the 6.6L LMM diesel engine to manage thermal loads and prevent wear in critical components like the turbocharger.<\/p>\n

Oil Viscosity and Capacity<\/h3>\n
\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification\/Value<\/th>\n<\/tr>\n
Oil Grade (Lookup)<\/td>\nCJ-4<\/td>\n<\/tr>\n
Preferred Viscosity<\/td>\nSAE 15W-40 (Above -18\u00b0C)<\/td>\n<\/tr>\n
Cold Weather Viscosity<\/td>\n5W-40 (Below -18\u00b0C \/ 0\u00b0F)<\/td>\n<\/tr>\n
Oil Capacity<\/td>\n10 quarts (with filter)<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note: After refilling, always check the oil level.<\/em><\/p>\n

Drain Plug Torque Specifications<\/h3>\n
\n\n\n\n\n
Plug Type<\/th>\nHex Size<\/th>\nTorque<\/th>\n<\/tr>\n
Oil Drain Plug<\/td>\n13 mm Hex<\/td>\n18 ft\/lbs<\/td>\n<\/tr>\n
Oil Drain Plug<\/td>\n16 mm Hex<\/td>\n62 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Diesel maintenance notes for this vehicle<\/h2>\n

Maintaining a heavy-duty diesel engine like the Duramax requires attention to several key areas:<\/p>\n