Komatsu Engine Alternator A 600-821-7420

Komatsu Engine Alternator A 600-821-7420 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 600-821-7420 is listed as Alternator A. Search also by the no-dash alternate number 6008217420.

Engine book references

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

• ENGINES / S6D105-1SS S/N 86535-UP / ELECTRICAL SYSTEM / ALTERNATOR (35A) (0641)
• ENGINES / S6D105-1SS S/N 86535-UP / ELECTRICAL SYSTEM / ALTERNATOR AND MOUNTING (25A¤ 35A)(#86535-92246) (0601)
• ENGINES / S6D105-1SS S/N 86535-UP / ELECTRICAL SYSTEM / ALTERNATOR AND MOUNTING (25A¤ 35A)(#92247-) (0601A)
• ENGINES / S6D105-1TT S/N 86423-UP / ELECTRICAL SYSTEM / ALTERNATOR (35A) (0641)
• ENGINES / S6D105-1TT S/N 86423-UP / ELECTRICAL SYSTEM / ALTERNATOR AND MOUNTING (25A¤ 35A) (BRACKET LESS TYPE)(#92938-) (0601A)
• ENGINES / S6D105-1TT S/N 86423-UP / ELECTRICAL SYSTEM / ALTERNATOR AND MOUNTING (25A¤ 35A) (BRACKET MOUNTING TYPE)(#86423-92937) (0601)

This part appears in 22 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.