LF9 ● Confirmed

Cadillac · Regular Production Option

Olds 350 diesel V8

Years 1978–82 Models 2

Also described as 350 cid Olds diesel V8

Documented applications

DeVille / Calais →

• 1980–82 ● Confirmed

  Optional

Seville →

• 1978 (mid) –79 ● Confirmed

  First GM diesel passenger car

• 1980–82 ● Confirmed

  Standard at 1980 launch per most references

This page aggregates every documented appearance of LF9 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.