Komatsu Engine Seal Front 6245-21-3121

Komatsu Engine Seal Front 6245-21-3121 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6245-21-3121 is listed as Seal Front. Search also by the no-dash alternate number 6245213121.

Engine book references

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

• ENGINES / SAA12V140E-3A S/N 500001-UP / ENGINE / GEAR CASE AND FRONT COVER ACCESSORY (A2041-A7E3)
• ENGINES / SAA12V140E-3A S/N 500001-UP / ENGINE / GEAR CASE AND FRONT COVER ACCESSORY (WITHOUT VHMS SPEC.)(#500021-) (A2041-A7F2)
• ENGINES / SAA12V140E-3A S/N 502127-UP (For D475A-5E0/D475ASD-5E0) / ENGINE CYLINDER BLOCK AND ITS RELATED PARTS / FRONT GEAR CASE COVER / FRONT GEAR CASE COVER, COVER, GEAR CASE (#502249-) (A2041-001001)
• ENGINES / SAA12V140E-3A S/N 502127-UP (For D475A-5E0/D475ASD-5E0) / ENGINE CYLINDER BLOCK AND ITS RELATED PARTS / FRONT GEAR CASE COVER, WITHOUT VEHICLE HEALTH MONITORING SYSTEM (VHMS) / FRONT GEAR CASE COVER, COVER, GEAR CASE (#502249-) (A2041-002001)
• ENGINES / SAA12V140E-3B S/N 500001-UP / ENGINE / GEAR CASE AND FRONT COVER ACCESSORY(#500013-) (A2041-A7E5)
• ENGINES / SAA12V140E-3B S/N 502254-UP (For HD785-7) / ENGINE CYLINDER BLOCK AND ITS RELATED PARTS / FRONT GEAR CASE COVER / FRONT GEAR CASE COVER, ACCESSORY PARTS (#502254-) (A2041-001001)

This part appears in 39 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.