Komatsu Engine Rotor Ass'Y KD7-33100-0121

Komatsu Engine Rotor Ass'Y KD7-33100-0121 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number KD7-33100-0121 is listed as Rotor Ass'Y. Search also by the no-dash alternate number KD7331000121.

Engine book references

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

• ENGINES / S6D105-1B S/N 11370-UP / COOLING AND ELECTRICAL SYSTEMS / ALTERNATOR (13A) (SANDY AND DUSTY TERRAIN SPEC.)(#13431-) (546)
• ENGINES / S6D105-1LL S/N 80070-UP / ELECTRICAL SYSTEM / ALTERNATOR (13A) (0641)
• ENGINES / S6D105-1MM S/N 80070-UP / ELECTRICAL SYSTEM / ALTERNATOR (13A) (0641)
• ENGINES / S6D105-1MM-B S/N 80070-UP / ELECTRICAL SYSTEM / ALTERNATOR (13A) (0641)
• ENGINES / S6D105-1R S/N 55467-UP / COOLING AND ELECTRICAL SYSTEMS / ALTERNATOR (13A) (EXCEPT JAPAN) (546)
• ENGINES / S6D108-1B S/N 11731-UP / (0641)

This part appears in 13 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.