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Engine Code Location

The locations of the stamped codes for each particular engine are listed below. Refer to 1990 MODEL COVERAGE & IDENTIFICATION  .

ENGINE CODE LOCATION

Engine Code Location(s)
LB4 On right front of engine, below cylinder head. On engine block, near oil filter.
LB9 On engine block, near oil filter.
LD2 On engine engine block, near starter.
LG0 On engine block, near starter.
LG5 On engine block, near starter.
LG7 On left front of engine block, below cylinder head.
LH0 On engine block, near starter.
LH3 On left rear of engine block, below cylinder head mating surface.
LM3 On right rear of engine block, below cylinder head.
LN3 On left front of engine, below cylinder head.
LO3 On right front of engine, below cylinder head. On engine block, near oil filter.
LO5 On left front of engine block, below cylinder head. On engine block, near oil filter.
LR8 On left front of engine block, below cylinder head.
LT2 On left rear of engine block, on edge of flange casting.
LT3 On left rear of engine block, on edge of flange casting.
LV2 On left front of engine block, below cylinder head. On engine block, near oil filter.
LW2 On left rear of engine block, below cylinder head.
L68 On left rear of engine block, below cylinder head mating surface.
L98 On engine block, near starter. On right front of engine block, below cylinder head.