Quick Summary
Looking for the correct oil type for your 2026 Chevrolet EXPRESS 3500? According to factory specs, the 4.3L 6 -cyl Engine Code [P] LV1 B requires See Manual viscosity oil. Using the right oil capacity of 7.4 quarts ensures engine longevity and fuel efficiency.
๐ข๏ธ 4.3L 6 -cyl Engine Code [P] LV1 B Most Common
Verified Data
Capacity
7.4 quart
Viscosity
See Manual
Oil Filter
transmission
Drain Plug Torque
18 ft/lbs
๐ข๏ธ 4.3L 6 -cyl Engine Code [P] LV1 T Flex
Verified Data
Capacity
See Manual
Viscosity
See Manual
Oil Filter
transmission
Drain Plug Torque
18 ft/lbs
๐ข๏ธ 6.6L 8 -cyl Engine Code [7] L8T 7
Verified Data
Capacity
7.4 quart
Viscosity
See Manual
Oil Filter
transmission
Drain Plug Torque
18 ft/lbs
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Recommended Maintenance Products
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Motor Oil
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Oil Filter
OEM or premium aftermarket options
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Drain Plug Gasket
Replace every oil change - don't reuse!
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Oil Drain Pan
Catch and store used oil safely
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Funnel Set
No-spill oil pouring
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Mechanic Gloves
Keep your hands clean
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Common Trouble Codes for 2026 Chevrolet EXPRESS 3500
Get vehicle-specific repair guides for these codes