Komatsu Engine Washer 01640-21020

Komatsu Engine Washer 01640-21020 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 01640-21020 is listed as Washer. Search also by the no-dash alternate number 0164021020.

Engine book references

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

• ENGINES / S4D120-11F S/N 50026-UP / CYLINDER HEAD / AIR INTAKE MANIFOLD AND AIR CLEANER(#50026-75211) (111)
• ENGINES / S4D120-11G S/N 50025-UP / CYLINDER HEAD / AIR INTAKE MANIFOLD AND AIR CLEANER(#50025-75211) (111)
• ENGINES / S6D155-4C S/N 10011-UP / ACCESSORY / CARBURETOR AND AIR CLEANER(#10011-11709) (1722)
• ENGINES / S6D155-4C S/N 10011-UP / STARTING ENGINE / CARBURETOR AND AIR CLEANER(#10011-11709) (1722)

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.