Komatsu Engine O-Ring 6219-81-1990

Komatsu Engine O-Ring 6219-81-1990 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6219-81-1990 is listed as O-Ring. Search also by the no-dash alternate number 6219811990.

Engine book references

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

• ENGINES / SAA12V140E-3A S/N 500001-UP / ENGINE / CYLINDER BLOCK ACCESSORY (OIL SENSOR¤ SWITCH AND WATER LINE BLIND COVER) (A2011-A7B7)
• ENGINES / SAA4D107E-1A S/N 21714587 - Up (For PW140-7/PW148-8/PW160-7E0/PW160-8) / AA ENGINE / FUEL INJECTION CONTROLLER RELATED PARTS (A471P-01A5)
• ENGINES / SAA4D107E-1B S/N 26508146-UP (For WA200-6/WA200PZ-6) / ENGINE CYLINDER HEAD AND ITS RELATED PARTS / ENGINE CONTROLLER RELATED PARTS, RELATED PARTS / ENGINE CONTROLLER RELATED PARTS (#26508146-) (APH00-001001)
• ENGINES / SAA4D107E-1B S/N 26537379-UP (For WA200-6) / ENGINE FUEL SYSTEM / FUEL INJECTION CONTROLLER RELATED PARTS / FUEL INJECTION CONTROLLER RELATED PARTS (#26537379-) (APH00-001001)
• ENGINES / SAA4D107E-1B-W S/N 26503098-UP / ENGINE / FUEL INJECTION CONTROLLER RELATED PARTS (A471P-01A5)
• ENGINES / SAA4D107E-1C S/N 541103-UP (For PC200-8E0/PC200LC-8E0) / ENGINE FUEL SYSTEM / ENGINE CONTROLLER RELATED PARTS / ENGINE CONTROLLER RELATED PARTS (#26541103-) (APH00-001001)

This part appears in 78 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.