Komatsu Engine Air Compressor Ass'Y 6210-81-3121

Komatsu Engine Air Compressor Ass'Y 6210-81-3121 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6210-81-3121 is listed as Air Compressor Ass'Y. Search also by the no-dash alternate number 6210813121.

Engine book references

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

• ENGINES / S6D140-1B-80 S/N 10278-UP / ACCESSORY / AIR COMPRESSOR AND PIPING(#10278-17055) (0702)
• ENGINES / S6D140-1B-80 S/N 10278-UP / ACCESSORY / AIR COMPRESSOR AND PIPING(#11199-17055) (0701A)
• ENGINES / S6D140-1B-80 S/N 10278-UP / ACCESSORY / AIR COMPRESSOR(#11314-17055) (0711B)
• ENGINES / SA6D140-1B S/N 10185-UP / ACCESSORY / AIR COMPRESSOR (INNER PARTS)(#11104-11267) (0711A)
• ENGINES / SA6D140-1B S/N 10185-UP / ACCESSORY / AIR COMPRESSOR (INNER PARTS)(#11268-16197) (0711B)
• ENGINES / SA6D140-1B S/N 10185-UP / ACCESSORY / AIR COMPRESSOR AND MOUNTING (EXCEPT JAPAN)(#10185-14680) (0702)

This part appears in 49 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.