Komatsu Engine Lock 6124-61-3790

Komatsu Engine Lock 6124-61-3790 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6124-61-3790 is listed as Lock. Search also by the no-dash alternate number 6124613790.

Product code / ETP anchor: 01602-00825. This listing is tied back to the sourcing anchor used for catalog control.

Engine book references

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

• ENGINES / S4D155-4 S/N 10287-50040 / COOLING SYSTEM / COOLING FAN AND FAN DRIVE(#10287-) (505)
• ENGINES / S4D155-4 S/N 10287-50040 / TOOL AND KIT / KIT(#10287-) (991)
• ENGINES / S6D155-4-R S/N 10014-UP / ENGINE KIT / GASKET KIT(#56577-) (991)
• ENGINES / S6D155-4A S/N 10014-UP / TOOL AND KIT / GASKET KIT(#10014-19999) (9991)
• ENGINES / S6D155-4A S/N 10014-UP / TOOL AND KIT / GASKET KIT(#20000-) (9991A)
• ENGINES / S6D155-4AA S/N 25887-UP / TOOL AND KIT / CYLINDER BLOCK GASKET KIT (0992)

This part appears in 16 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.