Quick Summary
Looking for the correct oil type for your 2021 GMC SIERRA 3500 PICKUP? According to factory specs, the 6.6L 8 -cyl Engine Code [7] L8T 3 Flex requires 0W-30 viscosity oil. Using the right oil capacity of 8.0 QUARTS ensures engine longevity and fuel efficiency.
🛢️ 6.6L 8 -cyl Engine Code [7] L8T 3 Flex
Verified Data
Capacity
8.0 QUART
Viscosity
0W-30
Drain Plug Torque: 18 ft/lbs
Factory Filter: EAO17
Recommended Products
-
🛢️
Shop Correct Oil (0W-30) ensure matches factory spec
-
⚙️
Shop Oil Filter (EAO17) replace every oil change
-
🔧
Crush Washers/Gaskets don't reuse old ones!
- 🥣 Oil Drain Pan
- 🌪️ Funnel Set
Source: Amsoil API Structure
🛢️ 6.6L 8 -cyl Engine Code [7] L8T 7
Verified Data
Capacity
8.0 QUART
Viscosity
0W-30
Drain Plug Torque: 18 ft/lbs
Factory Filter: EAO17
Recommended Products
-
🛢️
Shop Correct Oil (0W-30) ensure matches factory spec
-
⚙️
Shop Oil Filter (EAO17) replace every oil change
-
🔧
Crush Washers/Gaskets don't reuse old ones!
- 🥣 Oil Drain Pan
- 🌪️ Funnel Set
Source: Amsoil API Structure
🛢️ 6.6L 8 -cyl Engine Code [Y] L5P Y Diesel Turbo 🚀 TURBO
Diesel
Verified Data
Capacity
8.0 QUART
Viscosity
0W-30
Drain Plug Torque: 18 ft/lbs
Factory Filter: EAO17
Recommended Products
-
🛢️
Shop Correct Oil (0W-30) ensure matches factory spec
-
⚙️
Shop Oil Filter (EAO17) replace every oil change
-
🔧
Crush Washers/Gaskets don't reuse old ones!
- 🥣 Oil Drain Pan
- 🌪️ Funnel Set
Source: Amsoil API Structure
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