Quick Summary
Looking for the correct oil type for your 1980 Chevrolet G20 LD VAN? According to factory specs, the 4.1L 6 -cyl Engine Code [D] D requires See Manual viscosity oil. Using the right oil capacity of See Manual ensures engine longevity and fuel efficiency.
๐ข๏ธ 4.1L 6 -cyl Engine Code [D] D Most Common
Verified Data
Capacity
See Manual
Viscosity
See Manual
Oil Filter
transmission
๐ข๏ธ 5.7L 8 -cyl Engine Code [L] I
Verified Data
Capacity
See Manual
Viscosity
See Manual
Oil Filter
transmission
๐ข๏ธ 5.7L 8 -cyl Engine Code [M] M
Verified Data
Capacity
See Manual
Viscosity
See Manual
Oil Filter
transmission
๐ข๏ธ 6.6L 8 -cyl Engine Code [R] R
Verified Data
Capacity
See Manual
Viscosity
See Manual
Oil Filter
transmission
๐ข๏ธ 6.6L 8 -cyl Engine Code [X] 3
Verified Data
Capacity
See Manual
Viscosity
See Manual
Oil Filter
transmission
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Recommended Maintenance Products
Everything you need for a complete oil change
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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 1980 Chevrolet G20 LD VAN
Get vehicle-specific repair guides for these codes