Komatsu Engine Pin Dowel 04020-01434

Komatsu Engine Pin Dowel 04020-01434 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 04020-01434 is listed as Pin Dowel. Search also by the no-dash alternate number 0402001434.

Engine book references

This part appears in Komatsu engine parts book paths such as:

• ENGINES / S4D155-4 S/N 10287-50040 / CYLINDER BLOCK / FLYWHEEL AND HOUSING(#10287-) (221)
• ENGINES / S4D155-4 S/N 10287-50040 / CYLINDER BLOCK / GEAR CASE AND FRONT SUPPOR(#10287-) (211)
• ENGINES / S6D125-1CC-C S/N 22313-UP / CYLINDER BLOCK / FLYWHEEL AND FLYWHEEL HOUSING(#23870-) (0222)
• ENGINES / S6D125-1CC-FC S/N 10001-UP / ENGINE / FLYWHEEL AND FLYWHEEL HOUSING(#23870-) (A2210-01C4)
• ENGINES / S6D125-1E S/N 10001-UP / CYLINDER BLOCK / FLYWHEEL AND FLYWHEEL HOUSING (NOISE SUPPRESSION SPEC. FOR EC)(#33163-) (0222)
• ENGINES / S6D125-1E-FA S/N 10001-UP / ENGINE / FLYWHEEL AND FLYWHEEL HOUSING (NOISE SUPPRESSION SPEC. FOR EC.)(#33163-) (A2210-01C2)

This part appears in 594 Komatsu engine book paths in our reference data.

Verification note

Always confirm final fitment by engine model, serial range, diagram callout, and part number before ordering. Hub references are provided to help buyers find the right engine section and related parts faster.

Keep Ops Moving

19PARTS organizes Komatsu engine parts around searchable engine-model hubs so rebuild shops, equipment owners, and fleet teams can identify parts and keep repairs moving.