Komatsu Engine Heat Sink Assembly SD1235-06410X0

Komatsu Engine Heat Sink Assembly SD1235-06410X0 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number SD1235-06410X0 is listed as Heat Sink Assembly. Search also by the no-dash alternate number SD123506410X0.

Engine book references

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

• ENGINES / S6D105-1AH S/N 94066-UP / ELECTRICAL SYSTEM / ALTERNATOR (75A) (WITH NON HARDENING PULLEY) (0644)
• ENGINES / S6D105-1JJ S/N 79301-UP / ELECTRICAL SYSTEM / ALTERNATOR (75A) (0643)
• ENGINES / S6D105-1WW S/N 63244-UP / ELECTRICAL SYSTEM / ALTERNATOR (75A) (WITH NON HARDENING PULLEY) (0647)
• ENGINES / S6D105-1X S/N 63244-UP / ELECTRICAL SYSTEM / ALTERNATOR (50A) (WITH NON HARDENING PULLEY)(#63244-73961) (0641)
• ENGINES / S6D105-1X S/N 63244-UP / ELECTRICAL SYSTEM / ALTERNATOR (75A) (WITH NON HARDENING PULLEY) (0647)
• ENGINES / S6D108-1D-SN S/N 13936-UP / ENGINE / ALTERNATOR (75A) (INNER PARTS) (A6010-B2C2)

This part appears in 494 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.