Komatsu Engine Front Seal Service Kit 6735-21-3510

Komatsu Engine Front Seal Service Kit 6735-21-3510 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6735-21-3510 is listed as Front Seal Service Kit. Search also by the no-dash alternate number 6735213510.

Product code / ETP anchor: 6731-21-4220. This listing is tied back to the sourcing anchor used for catalog control.

Engine book references

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

• ENGINES / S6D102E-1-Z S/N 30707205-UP / ENGINE / FRONT COVER (A2040-A0A1)
• ENGINES / S6D102E-1-Z S/N 30707205-UP / ENGINE / KIT (A8110-A0A1)
• ENGINES / S6D102E-1AA S/N 21180000-UP / ENGINE / FRONT COVER (A204P-01A0)
• ENGINES / S6D102E-1C S/N 26200929-UP / ENGINE / FRONT COVER(#26200929-26239105) (A2049-01A0)
• ENGINES / S6D102E-1C-6C S/N 26200163-UP / ENGINE / FRONT COVER(#26200163-26238739) (A2049-01A0)
• ENGINES / S6D102E-1C-6Z S/N 26200163-UP / ENGINE / FRONT COVER(#26200163-26238739) (A2049-01A0)

This part appears in 52 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.