{"id":923,"date":"2026-07-11T22:37:37","date_gmt":"2026-07-12T02:37:37","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2022-chevrolet-suburban-3-0l-6-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-07-11T22:37:37","modified_gmt":"2026-07-12T02:37:37","slug":"2022-chevrolet-suburban-3-0l-6-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2022-chevrolet-suburban-3-0l-6-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"2022 Chevrolet Suburban 3.0L Duramax Diesel Maintenance Guide | Oil & Filter Specs"},"content":{"rendered":"
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\"AMSOIL
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

For the 2022 Chevrolet Suburban equipped with the 3.0L 6-cylinder LM2 T Diesel Turbo engine, the required oil viscosity is 0W-20<\/strong>. The engine oil capacity is 7 quarts<\/strong> (including filter replacement). AMSOIL recommends using AMSOIL 0W-20 100% Synthetic Diesel Oil<\/a> (Code: DP020QT-EA<\/a>) paired with a WIX Oil Filter<\/strong> (Code: WL10351-EA<\/a>) for optimal protection.<\/p>\n

What oil does a 2022 Chevrolet Suburban 3.0L Diesel take?<\/h2>\n

The 2022 Chevrolet Suburban with the 3.0L 6-cylinder LM2 T Diesel Turbo engine requires an oil viscosity of 0W-20<\/strong> for all temperatures. The AMSOIL lookup identifies the SEOA5 oil grade for this application. Additionally, vehicles originally using GM Dexos2 may use a GM Dexos D licensed engine oil of the appropriate viscosity grade.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup for the 2022 Chevrolet Suburban 3.0L Diesel, the following products are recommended to maintain engine and component health.<\/p>\n

Engine Oil & Filter<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL 0W-20 100% Synthetic Diesel Oil<\/td>\nDP020QT-EA<\/a><\/td>\n<\/tr>\n
WIX Oil Filter<\/td>\nWL10351-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant & Antifreeze<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Passenger Car & Light Truck Antifreeze & Coolant<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Propylene Glycol Antifreeze and Engine Coolant<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Transmission & Transfer Case<\/h3>\n
\n\n\n\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Signature Series ULV 100% Synthetic ATF<\/td>\nULVPK-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Signature Series Fuel-Efficient ATF<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n
AMSOIL OE Fuel-Efficient 100% Synthetic ATF<\/td>\nOTLQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Signature Series Fuel-Efficient ATF (Transfer Case)<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n
AMSOIL OE Fuel-Efficient 100% Synthetic ATF (Transfer Case)<\/td>\nOTLQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications<\/h3>\n
\n\n\n\n\n
Specification<\/th>\nDetail<\/th>\n<\/tr>\n
Oil Viscosity<\/td>\n0W-20 (All TEMPS)<\/td>\n<\/tr>\n
AMSOIL Lookup Oil Grade<\/td>\nSEOA5<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Capacity & Torque<\/h3>\n
\n\n\n\n\n
Component<\/th>\nSpecification<\/th>\n<\/tr>\n
Oil Capacity (with filter)<\/td>\n7 quarts<\/td>\n<\/tr>\n
Oil Drain Plug Torque<\/td>\n18 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

How much transmission fluid does it take?<\/h2>\n

Transmission capacity varies based on your specific configuration (10L80\/MQC or 10L80\/MHS) and whether the vehicle is equipped with a cooler. For most configurations, the total fill ranges from 11.5 to 12 quarts, while the initial fill is approximately 8.1 quarts.<\/p>\n

Automatic Transmission Capacities<\/h3>\n
\n\n\n\n\n\n
Configuration<\/th>\nCapacity<\/th>\n<\/tr>\n
10-speed with O Cooler (MQC\/MHS)<\/td>\n11.5 quarts Total Fill<\/td>\n<\/tr>\n
10-speed with Cooler (MQC\/MHS)<\/td>\n12 quarts Total Fill<\/td>\n<\/tr>\n
Initial Fill<\/td>\n8.1 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

The AMSOIL lookup note references the WSS-M2C949-A specification for this application, noting it was developed by Ford and GM; products meeting this are available under DEXRON ULV and MERCON ULV tradenames.<\/p>\n

Transfer Case Lubricant Specifications<\/h2>\n

For transfer case models MP3015 or 25, the capacity is 3.2 pints<\/strong>. It is critical to check the identification tag on the case for confirmation.<\/p>\n

\n\n\n\n\n
Component<\/th>\nTorque\/Note<\/th>\n<\/tr>\n
Drain Plug Torque<\/td>\n15 ft\/lbs<\/td>\n<\/tr>\n
Fill Plug Torque<\/td>\n15 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Maintenance Tip:<\/strong> Apply high-performance thread sealant to the threads of both the drain and fill plugs before installing.<\/p>\n

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