Komatsu Engine Ring Snap 04065-05520

Komatsu Engine Ring Snap 04065-05520 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 04065-05520 is listed as Ring Snap. Search also by the no-dash alternate number 0406505520.

Engine book references

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

• ENGINES / S4D95L-1M S/N 135080-UP / ENGINE / IDLER GEAR (A2050-A0A4)
• ENGINES / S6D95L-1D S/N 15060-UP / CYLINDER BLOCK / FRONT COVER AND GEAR (0205)
• ENGINES / S6D95L-1EE S/N 15060-UP / CYLINDER BLOCK / FRONT COVER AND GEAR (0205)
• ENGINES / S6D95L-1W S/N 15060-UP / CYLINDER BLOCK / FRONT COVER AND GEAR (0205)
• ENGINES / SAA12V140E-3A S/N 500001-UP / ENGINE / FUEL INJECTION PUMP DRIVE (A4080-A7B2)
• ENGINES / SAA12V140E-3A S/N 502127-UP (For D475A-5E0/D475ASD-5E0) / ENGINE FUEL SYSTEM / FUEL SUPPLY PUMP DRIVE / FUEL SUPPLY PUMP DRIVE (#502249-) (A4080-001001)

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.