Komatsu Engine Piston 0.5Mm 6738-39-2111

Komatsu Engine Piston 0.5Mm 6738-39-2111 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6738-39-2111 is listed as Piston 0.5Mm. Search also by the no-dash alternate number 6738392111.

Engine book references

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

• ENGINES / SAA4D102E-2A-4 S/N 26277757-UP / ENGINE / REPAIR PARTS (4/4) (PISTON) (A8110-04B0)
• ENGINES / SAA4D102E-2A-5 S/N 26277757-UP / ENGINE / REPAIR PARTS (4/4) (PISTON) (A8110-04B0)
• ENGINES / SAA4D102E-2A-B4 S/N 26274903-UP / ENGINE / REPAIR PARTS (4/4) (PISTON)(#26277757-) (A8110-04B0)
• ENGINES / SAA4D102E-2A-B5 S/N 26274903-UP / ENGINE / REPAIR PARTS (4/4) (PISTON)(#26277757-) (A8110-04B0)
• ENGINES / SAA4D102E-2B-4 S/N 26277757-UP / ENGINE / REPAIR PARTS (4/4) (PISTON) (A8110-04B0)
• ENGINES / SAA4D102E-2B-5 S/N 26277757-UP / ENGINE / REPAIR PARTS (4/4) (PISTON) (A8110-04B0)

This part appears in 38 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.