Komatsu Engine Lock Fan Pulley 04081-05012

Komatsu Engine Lock Fan Pulley 04081-05012 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 04081-05012 is listed as Lock Fan Pulley. Search also by the no-dash alternate number 0408105012.

Engine book references

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

• ENGINES / S6D170-1D S/N 10490-UP / COOLING SYSTEM / COOLING FAN AND MOUNTING (0511)
• ENGINES / S6D170-1D-6A S/N 10001-UP / ENGINE / CYLINDER BLOCK GASKET KIT(#15667-) (A8118-B6A3)
• ENGINES / S6D170-1D-6A S/N 10001-UP / ENGINE / FAN DRIVE (EC DYNAMIC NOISE SUPPRESSION SPEC.)(#18325-18684) (A5060-A6C4)
• ENGINES / S6D170-1D-6A S/N 10001-UP / ENGINE / FAN DRIVE (EC DYNAMIC NOISE SUPPRESSION SPEC.)(#18685-) (A5060-A6C5)
• ENGINES / S6D170-1D-6A S/N 10001-UP / ENGINE / FAN DRIVE (EXCEPT JAPAN)(#15667-) (A5060-A6A4)
• ENGINES / S6D170-1D-6B S/N 10001-UP / ENGINE / CYLINDER BLOCK GASKET KIT(#15667-) (A8120-B6A3)

This part appears in 83 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.