Komatsu S6D125E-2E Engine Overhaul Kits

Komatsu S6D125E-2E Engine Overhaul Kits is a focused 19PARTS hub for buyers working inside a specific Komatsu engine model and repair system. It is meant to reduce guesswork by tying engine-model navigation to related product listings and part-number references.

Diagram callout lookup for Komatsu S6D125E-2E Engine Overhaul Kits

Use each diagram together with the table directly below it. The Diagram Ref. column corresponds to the location number shown on that specific image. Clickable part numbers link to matching 19PARTS product pages where a product match exists.

S6D125E-2E — Cylinder Block Gasket Kit

Diagram Ref.	Part Number	Description	Qty	Serial / Option Notes
2	07000-02020	O-Ring	1	SN: 60863-UP
2	07000-02021	O-Ring	1	SN: 60863-UP
2	07000-03030	O-Ring	1	SN: 60863-UP
2	07000-62020	O-Ring	1	SN: 60863-UP
2	07000-62125	O-Ring	1	SN: 60863-UP
2	07000-63025	O-Ring	2	SN: 60863-UP
2	07000-63028	O-Ring	1	SN: 60863-UP
2	07000-63030	O-Ring	1	SN: 60863-UP
2	07000-63035	O-Ring	1	SN: 60863-UP
2	07000-63042	O-Ring	1	SN: 60863-UP
2	07000-63045	O-Ring	1	SN: 60863-UP
2	07002-03634	O-Ring	1	SN: 60863-UP
2	07002-22434	O-Ring	1	SN: 60863-UP
2	07002-23034	O-Ring	1	SN: 60863-UP
2	07005-01012	Gasket	4	SN: 60863-UP
2	07005-01412	Gasket	15	SN: 60863-UP
2	07005-01412	Gasket	2	SN: 60863-UP
2	07005-02216	Gasket	1	SN: 60863-UP
2	08034-00519	Band	2	SN: 60863-UP
2	6114-21-5190	O-Ring	1	SN: 60863-UP
2	6124-61-2181	Grommet	2	SN: 60863-UP
2	6150-21-1190	O-Ring	2	SN: 60863-UP
2	6150-21-2230	O-Ring	6	SN: 60863-UP
2	6150-21-2240	O-Ring	6	SN: 60863-UP
2	6150-21-2250	Seal	6	SN: 60863-UP
2	6150-21-3230	Seal¤ Front	1	SN: 60863-UP
2	6150-21-5812	Gasket	1	SN: 60863-UP
2	6150-21-6391	Packing	9	SN: 60863-UP
2	6150-21-6450	Gasket	3	SN: 60863-UP
2	6150-22-6490	Gasket	1	SN: 60863-UP
2	6150-51-1710	Ring	1	SN: 60863-UP
2	6150-51-1720	Ring	1	SN: 60863-UP
2	6150-61-2510	O-Ring	2	SN: 60863-UP
2	6150-61-2540	Seal	1	SN: 60863-UP
2	6150-61-2550	O-Ring	1	SN: 60863-UP
2	6150-61-2562	Gasket	2	SN: 60863-UP
2	6150-61-2815	Gasket	1	SN: 60863-UP
2	6150-71-1910	Seal	1	SN: 60863-UP
2	6151-21-4160	Seal¤ Rear	1	SN: 60863-UP
2	6154-K2-9900	Gasket Kit,Cylinder Block	1	SN: 60863-UP
2	6162-13-6440	Seal	1	SN: 65684-UP
2	6162-73-1931	Gasket	1	SN: 60863-UP
2	6162-73-1960	Washer	1	SN: 60863-UP
2	6206-21-6871	Gasket	1	SN: 81692-UP
2	6210-21-1971	Gasket	1	SN: 60863-UP
2	6210-61-6441	Gasket	1	SN: 60863-UP
2	6221-81-6810	Gasket	1	SN: 60863-UP
2	The part specified in the line above can be used instead of this part6206-21-6870	Gasket	1	SN: 60863-81691
2	The part specified in the line above can be used instead of this part6710-11-6451	Seal	1	SN: 60863-65683

Shop the Komatsu S6D125E-2E Engine Overhaul Kits collection

S6D125E-2E Engine Overhaul Kits lookup notes

Use this hub when the repair has already been narrowed to engine overhaul kits. Confirm each part against the engine serial range, parts-book callout, quantity, and option notes before ordering.

Related parent hubs

• Komatsu S6D125E-2E Engine Parts (333)
• Komatsu Engine Engine Overhaul Kits (1403)

Featured parts in this hub

• Komatsu Engine Gasket 6150-11-4821 — SKU KOM-6150-11-4821 | Gasket
• Komatsu Engine Gasket 6150-11-7812 — SKU KOM-6150-11-7812 | Product code 6150-11-7810 | Gasket
• Komatsu Engine Gasket 6150-21-5812 — SKU KOM-6150-21-5812 | Gasket
• Komatsu Engine Gasket 6150-61-2562 — SKU KOM-6150-61-2562 | Product code 6150-61-2560 | Gasket
• Komatsu Engine Gasket 6691-21-4922 — SKU KOM-6691-21-4922 | Gasket
• Komatsu Engine Gasket Head 6151-12-1810 — SKU KOM-6151-12-1810 | Gasket Head
• Komatsu Engine Gasket Kit Cylinder Block 6154-K2-9900 — SKU KOM-6154-K2-9900 | Gasket Kit Cylinder Block
• Komatsu Engine Gasket Kit Cylinder Head 6154-K1-9900 — SKU KOM-6154-K1-9900 | Gasket Kit Cylinder Head
• Komatsu Engine Lock 6128-21-4360 — SKU KOM-6128-21-4360 | Lock
• Komatsu Engine O-Ring 07000-02010 — SKU KOM-07000-02010 | O-Ring
• Komatsu Engine O-Ring 07000-02110 — SKU KOM-07000-02110 | O-Ring
• Komatsu Engine O-Ring 07000-02130 — SKU KOM-07000-02130 | O-Ring
• Komatsu Engine O-Ring 07000-03100 — SKU KOM-07000-03100 | O-Ring
• Komatsu Engine O-Ring 07000-03140 — SKU KOM-07000-03140 | O-Ring
• Komatsu Engine O-Ring 07000-03145 — SKU KOM-07000-03145 | O-Ring
• Komatsu Engine O-Ring 07000-62075 — SKU KOM-07000-62075 | O-Ring
• Komatsu Engine O-Ring 07000-63088 — SKU KOM-07000-63088 | O-Ring
• Komatsu Engine O-Ring 07000-65110 — SKU KOM-07000-65110 | O-Ring
• Komatsu Engine O-Ring 6631-21-4870 — SKU KOM-6631-21-4870 | O-Ring
• Komatsu Engine Plate Lock 6645-22-4550 — SKU KOM-6645-22-4550 | Plate Lock
• Komatsu Engine Seal Oil 07012-00060 — SKU KOM-07012-00060 | Seal Oil
• Komatsu Engine Washer Lock 01658-26223 — SKU KOM-01658-26223 | Washer Lock

Parts-book verification before ordering

Komatsu engine parts often change by engine arrangement, serial range, diagram callout, and option note. 19PARTS uses engine-model organization to help you move from a broad Komatsu part number search into a tighter reference path, but final fitment should always be confirmed against your engine serial number and parts book.

Our Keep Ops Moving approach is simple: give buyers cleaner lookup paths, clear part-number references, and practical cross-navigation so rebuild shops, fleet teams, mechanics, and equipment owners can identify the right components faster.