Quick Summary
Looking for the correct oil type for your 2026 GMC SIERRA 2500 HD PICKUP? According to factory specs, the 6.6L 8 -cyl Engine Code [7] L8T 7 requires Awaiting Scrape viscosity oil. Using the right oil capacity of Awaiting Scrape ensures engine longevity and fuel efficiency.
🛢️ 6.6L 8 -cyl Engine Code [7] L8T 7
Verified Data
Capacity
Check Manual
Viscosity
—
Recommended Products
-
🛢️
Shop Correct Oil (See Manual) ensure matches factory spec
-
⚙️
Shop Oil Filter 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 O Flex
Verified Data
Capacity
Check Manual
Viscosity
—
Recommended Products
-
🛢️
Shop Correct Oil (See Manual) ensure matches factory spec
-
⚙️
Shop Oil Filter 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
Check Manual
Viscosity
—
Recommended Products
-
🛢️
Shop Correct Oil (See Manual) ensure matches factory spec
-
⚙️
Shop Oil Filter replace every oil change
-
🔧
Crush Washers/Gaskets don't reuse old ones!
- 🥣 Oil Drain Pan
- 🌪️ Funnel Set
Source: Amsoil API Structure
Need Parts for your GMC SIERRA 2500 HD PICKUP?
Get the exact parts guaranteed to fit. Order online from AutoZone and pick up in-store today.
Shop AutoZone →