Komatsu Engine Seal O-Ring 6216-84-9740

Komatsu Engine Seal O-Ring 6216-84-9740 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6216-84-9740 is listed as Seal O-Ring. Search also by the no-dash alternate number 6216849740.

Engine book references

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

• ENGINES / SAA12V140E-3A S/N 502127-UP (For D475A-5E0/D475ASD-5E0) / ENGINE COOLING SYSTEM / THERMOSTAT AND THERMOSTAT HOUSING / THERMOSTAT AND THERMOSTAT HOUSING (#502249-) (A1730-001001)
• ENGINES / SAA12V140E-3A S/N 502127-UP (For D475A-5E0/D475ASD-5E0) / ENGINE CYLINDER BLOCK AND ITS RELATED PARTS / CYLINDER BLOCK ACCESSORY / CYLINDER BLOCK ACCESSORY (#502249-) (A2011-001001)
• ENGINES / SAA12V140E-3A S/N 502127-UP (For D475A-5E0/D475ASD-5E0) / ENGINE CYLINDER BLOCK AND ITS RELATED PARTS / CYLINDER BLOCK ACCESSORY, WITHOUT ENGINE OIL PAN AND COOLANT HEATER, COLD AREA SPECIFICATION A (-30 DEG C) / CYLINDER BLOCK ACCESSORY (#502249-) (A2011-002001)
• ENGINES / SAA12V140E-3A S/N 502127-UP (For D475A-5E0/D475ASD-5E0) / ENGINE FUEL SYSTEM / FUEL RETURN / FUEL RETURN (#502249-) (A4230-001001)
• ENGINES / SAA12V140E-3B S/N 502254-UP (For HD785-7) / ENGINE COOLING SYSTEM / THERMOSTAT AND THERMOSTAT HOUSING / THERMOSTAT AND THERMOSTAT HOUSING (#502254-) (A1730-001001)
• ENGINES / SAA12V140E-3B S/N 502254-UP (For HD785-7) / ENGINE COOLING SYSTEM / THERMOSTAT AND THERMOSTAT HOUSING, FOR BAD FUEL AND POOR FUEL SPECIFICATION, WATER+DUST / THERMOSTAT AND THERMOSTAT HOUSING (#502254-) (A1730-002001)

This part appears in 181 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.