Service Instruction No. 1406 E

Crankcase Parts for Use with Large-Diameter Hydraulic Lifters

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Supersedes Service Instruction No. 1406D

September 9, 2014


O-320-H2AD, -H3AD; O/LO/TO/LTO-360-E1A6D


At owner’s discretion (during hydraulic lifter replacement)

This Service Instruction identifies part numbers for crankcases with large-diameter hydraulic lifters.

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