{"id":379,"date":"2026-06-06T05:37:46","date_gmt":"2026-06-06T09:37:46","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2023-gmc-sierra-1500-pickup-3-0l-6-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-06-06T05:37:46","modified_gmt":"2026-06-06T09:37:46","slug":"2023-gmc-sierra-1500-pickup-3-0l-6-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2023-gmc-sierra-1500-pickup-3-0l-6-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"2023 GMC Sierra 1500 3.0L LZ0 Diesel Maintenance Guide: Oil & Fluid Specs"},"content":{"rendered":"
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\"AMSOIL
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

For the 2023 GMC Sierra 1500 Pickup with the 3.0L 6-cylinder LZ0 8 Diesel Turbo engine, the required oil viscosity is 0W-20. The engine oil capacity is 7 quarts when performing a change with a new filter. AMSOIL recommends using AMSOIL 0W-20 100% Synthetic Diesel Oil<\/a> (DP020QT-EA<\/a>) paired with a WIX Oil Filter<\/a> (WL10351-EA<\/a>) for optimal protection.<\/p>\n

What oil does a 2023 GMC Sierra 1500 3.0L Diesel take?<\/h2>\n

The 2023 GMC Sierra 1500 with the 3.0L LZ0 diesel engine requires an oil viscosity of 0W-20 for all temperatures. The AMSOIL lookup oil grade is SEOA5. It is critical to use a high-quality synthetic diesel oil designed to handle the specific requirements of modern turbodiesel engines.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup data, here are the recommended fluids and filters for your 2023 GMC Sierra 1500 3.0L Diesel.<\/p>\n

Engine Oil & Filter<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nPart Code<\/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>\nPart Code<\/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

Automatic Transmission Fluid<\/h3>\n
\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL Signature Series ULV 100% Synthetic ATF<\/td>\nULVPK-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Transfer Case Lubricant<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL Signature Series Fuel-Efficient 100% Synthetic ATF<\/td>\nATLPK-EA<\/a><\/td>\n<\/tr>\n
AMSOIL OE Fuel-Efficient 100% Synthetic ATF<\/td>\nOTLQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications<\/h3>\n
\n\n\n\n
Viscosity<\/th>\nOil Grade (AMSOIL Lookup)<\/th>\n<\/tr>\n
0W-20<\/td>\nSEOA5<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Capacity<\/h3>\n
\n\n\n\n
Condition<\/th>\nCapacity<\/th>\n<\/tr>\n
With Filter Change<\/td>\n7 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

Engine Oil Details and Service Specs<\/h2>\n

When performing an oil change on the LZ0 diesel engine, follow these specific torque and replacement requirements to ensure a leak-free service.<\/p>\n

Drain Plug Torque Specifications<\/h3>\n
\n\n\n\n
Component<\/th>\nTorque Value<\/th>\n<\/tr>\n
Oil Drain Plug<\/td>\n18 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Important:<\/strong> Always replace the drain plug seal during service.<\/p>\n

Oil Filter Information<\/h3>\n

The AMSOIL lookup recommends a WIX Oil Filter<\/a> (Part Number WL10351-EA<\/a>). This premium media is designed to help reduce engine wear and offers OEM drain intervals.<\/p>\n

Automatic Transmission Fluid (ATF) Specifications<\/h2>\n

The 2023 GMC Sierra 1500 uses a 10-speed automatic transmission. The AMSOIL lookup notes that the WSS-M2C949-A specification was developed by Ford and GM, with products meeting this spec available under DEXRON ULV and MERCON ULV tradenames.<\/p>\n

Transmission Capacity Details<\/h3>\n
\n\n\n\n\n\n\n
Configuration<\/th>\nTotal Fill Capacity<\/th>\n<\/tr>\n
10-speed Trans Only (10L80\/MQB)<\/td>\n11.6 quarts<\/td>\n<\/tr>\n
10-speed With Cooler (10L80\/MQB)<\/td>\n12 quarts<\/td>\n<\/tr>\n
10-speed Trans Only (10L80\/MQC)<\/td>\n11.6 quarts<\/td>\n<\/tr>\n
10-speed With Cooler (10L80\/MQC)<\/td>\n12 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Initial Fill:<\/strong> 8.1 quarts.<\/p>\n

Transfer Case Lubricant Specifications<\/h2>\n

For the transfer case (MP3015, 25….AF6), specific sealant and torque procedures are required for maintenance.<\/p>\n

Transfer Case Torque & Capacity<\/h3>\n
\n\n\n\n\n
Component<\/th>\nTorque<\/th>\n<\/tr>\n
Drain Plug<\/td>\n15 ft\/lbs<\/td>\n<\/tr>\n
Fill Plug<\/td>\n15 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

\n\n\n\n
Configuration<\/th>\nCapacity<\/th>\n<\/tr>\n
MP3015, 25<\/td>\n3.2 pints<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Identification: Check the tag on the case to confirm requirements.<\/em><\/p>\n

Coolant and Antifreeze Specifications<\/h2>\n

The cooling system requires a capacity of 13.8 quarts. AMSOIL offers both pre-mixed and concentrated options.<\/p>\n

Coolant Options<\/h3>\n
\n\n\n\n\n
Product<\/th>\nFormulation<\/th>\n<\/tr>\n
AMSOIL Passenger Car & Light Truck Antifreeze<\/td>\nEthylene glycol 50\/50 pre-mix<\/td>\n<\/tr>\n
AMSOIL Propylene Glycol Antifreeze<\/td>\nConcentrated (requires mixing)<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Both products are phosphate-, nitrate-, nitrite-, silicate-, borate-, and amine-free.<\/p>\n

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