Quick Summary
Looking for the correct oil type for your 1990 Chevrolet P30 STEP VAN? According to factory specs, the 3.9L 4 -cyl Engine Code [L] L Diesel Turbo requires See Manual viscosity oil. Using the right oil capacity of See Manual ensures engine longevity and fuel efficiency.
๐ข๏ธ 3.9L 4 -cyl Engine Code [L] L Diesel Turbo Most Common ๐ TURBO
Diesel
Verified Data
Capacity
See Manual
Viscosity
See Manual
Oil Filter
transmission
๐ข๏ธ 4.3L 6 -cyl Engine Code [Z] Z
Verified Data
Capacity
See Manual
Viscosity
See Manual
Oil Filter
transmission
๐ข๏ธ 5.7L 8 -cyl Engine Code [K] K
Verified Data
Capacity
See Manual
Viscosity
See Manual
Oil Filter
transmission
๐ข๏ธ 6.2L 8 -cyl Engine Code [J] J Diesel
Diesel
Verified Data
Capacity
See Manual
Viscosity
See Manual
Oil Filter
transmission
๐ข๏ธ 7.4L 8 -cyl Engine Code [N] N
Verified Data
Capacity
See Manual
Viscosity
See Manual
Oil Filter
transmission
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Drain Plug Gasket
Replace every oil change - don't reuse!
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Common Trouble Codes for 1990 Chevrolet P30 STEP VAN
Get vehicle-specific repair guides for these codes