Komatsu Engine Gasket Thermostat Housing 6210-61-6420

Komatsu Engine Gasket Thermostat Housing 6210-61-6420 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6210-61-6420 is listed as Gasket Thermostat Housing. Search also by the no-dash alternate number 6210616420.

Engine book references

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

• ENGINES / S6D140-1A S/N 10001-UP / COOLING SYSTEM / WATER PUMP AND MOUNTING (0501)
• ENGINES / S6D140-1A S/N 10001-UP / TOOL AND KIT / GASKET KIT (WITH POWER TAKE OFF) (0991)
• ENGINES / S6D140-1A S/N 10001-UP / TOOL AND KIT / GASKET KIT (WITHOUT POWER TAKE OFF) (0994)
• ENGINES / S6D140-1A-F S/N 10001-UP / ENGINE / WATER PUMP(#19029-19730) (A5010-A4A8)
• ENGINES / S6D140-1B-80 S/N 10278-UP / COOLING SYSTEM / WATER PUMP AND MOUNTING (0501)
• ENGINES / S6D140-1B-80 S/N 10278-UP / TOOL AND KIT / GASKET KIT (0991)

This part appears in 43 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.