Komatsu S6D140-1U Cylinder Block Parts Hub

Komatsu S6D140-1U Cylinder Block Parts 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 S6D140-1U Cylinder Block Parts

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.

S6D140-1U — Cylinder Block (With Air Conditioner Type)

Diagram Ref.	Part Number	Description	Qty	Serial / Option Notes
2	04020-00820	Pin,Dowel	12	SN: 10001-UP
4	07043-70108	Plug	11	SN: 10001-UP
6	07046-42516	Plug	2	SN: 10001-UP
7	07046-41810	Plug	2	SN: 10001-UP
8	07046-11816	Plug	2	SN: 10001-UP
9	6210-21-1790	Bushing	2	SN: 10001-UP
12	6210-21-1490	Bushing,Camshaft	7	SN: 10001-UP
13	07046-47020	Plug	1	SN: 10001-UP
15	6210-81-9210	Plug	2	SN: 10001-UP
16	6150-21-4770	Pin,Dowel	2	SN: 10001-UP
18	04020-01024	Pin,Dowel	2	SN: 10001-UP
19	07043-00211	Plug	1	SN: 10001-UP
20	07046-42010	Plug	1	SN: 10001-UP
21	07046-42816	Plug	2	SN: 10001-UP
22	07043-00415	Plug	1	SN: 10001-UP
26	04020-00514	Pin,Dowel	2	SN: 10001-UP
27	6210-21-1390	Pin	6	SN: 10001-UP
29	01643-31845	Washer	14	SN: 10001-UP
30	07040-11007	Plug	1	SN: 10001-UP
31	07005-01012	Gasket (K2)	1	SN: 10001-UP
32	07040-11409	Plug	1	SN: 10001-UP
33	07005-01412	Gasket (K2)	1	SN: 10001-UP
34	6211-21-2220	Liner,Cylinder	6	SN: 10001-UP
35	6210-21-2250	Seal,Crevice (K2)	6	SN: 10001-UP
36	6210-21-2240	O-Ring,Center (K2)	6	SN: 10001-UP
37	6210-21-2230	O-Ring,Lower (K2)	6	SN: 10001-UP
38	6211-21-1800	Nozzle Ass'Y	6	SN: 10001-UP
38	6211-21-1820	Nozzle	1	SN: 10001-UP
41	01641-21016	Washer	6	SN: 10001-UP
43	07043-00415	Plug	1	SN: 10001-UP
45	6210-21-1970	Gasket (K2)	1	SN: 10001-UP
48	6210-61-6550	Gasket (K2)	1	SN: 10001-UP
51	6696-61-9920	Gasket (K2)	1	SN: 10001-UP
54	07000-03025	O-Ring (K2)	1	SN: 10001-UP
59	06000-06206	Bearing,Ball	2	SN: 10001-UP
60	04065-06220	Ring,Snap	1	SN: 10001-UP
62	04020-00514	Pin,Dowel	1	SN: 10001-UP
63	01010-30820	Bolt	1	SN: 10001-UP
64	01653-20808	Washer,Lock	1	SN: 10001-UP
67	01010-30820	Bolt	4	SN: 10001-UP
69	6210-81-5240	O-Ring	1	SN: 10001-UP
70	01010-31225	Bolt	1	SN: 10001-UP
71	01640-21223	Washer	1	SN: 10001-UP
72	01580-01008	Nut	3	SN: 10001-UP
73	01640-21016	Washer	3	SN: 10001-UP

S6D140-1U — Cylinder Block (With Air Conditioner Type)

Diagram Ref.	Part Number	Description	Qty	Serial / Option Notes
2	04020-00820	Pin,Dowel	12	SN: 10001-UP
4	07043-70108	Plug	11	SN: 10001-UP
6	07046-42516	Plug	2	SN: 10001-UP
7	07046-41810	Plug	2	SN: 10001-UP
8	07046-11816	Plug	2	SN: 10001-UP
9	6210-21-1790	Bushing	2	SN: 10001-UP
12	6210-21-1490	Bushing,Camshaft	7	SN: 10001-UP
13	07046-47020	Plug	1	SN: 10001-UP
15	6210-81-9210	Plug	2	SN: 10001-UP
16	6150-21-4770	Pin,Dowel	2	SN: 10001-UP
18	04020-01024	Pin,Dowel	2	SN: 10001-UP
19	07043-00211	Plug	1	SN: 10001-UP
20	07046-42010	Plug	1	SN: 10001-UP
21	07046-42816	Plug	2	SN: 10001-UP
22	07043-00415	Plug	1	SN: 10001-UP
26	04020-00514	Pin,Dowel	2	SN: 10001-UP
27	6210-21-1390	Pin	6	SN: 10001-UP
29	01643-31845	Washer	14	SN: 10001-UP
30	07040-11007	Plug	1	SN: 10001-UP
31	07005-01012	Gasket (K2)	1	SN: 10001-UP
32	07040-11409	Plug	1	SN: 10001-UP
33	07005-01412	Gasket (K2)	1	SN: 10001-UP
34	6211-21-2220	Liner,Cylinder	6	SN: 10001-UP
35	6210-21-2250	Seal,Crevice (K2)	6	SN: 10001-UP
36	6210-21-2240	O-Ring,Center (K2)	6	SN: 10001-UP
37	6210-21-2230	O-Ring,Lower (K2)	6	SN: 10001-UP
38	6211-21-1800	Nozzle Ass'Y	6	SN: 10001-UP
38	6211-21-1820	Nozzle	1	SN: 10001-UP
41	01641-21016	Washer	6	SN: 10001-UP
43	07043-00415	Plug	1	SN: 10001-UP
45	6210-21-1970	Gasket (K2)	1	SN: 10001-UP
48	6210-61-6550	Gasket (K2)	1	SN: 10001-UP
51	6696-61-9920	Gasket (K2)	1	SN: 10001-UP
54	07000-03025	O-Ring (K2)	1	SN: 10001-UP
59	06000-06206	Bearing,Ball	2	SN: 10001-UP
60	04065-06220	Ring,Snap	1	SN: 10001-UP
62	04020-00514	Pin,Dowel	1	SN: 10001-UP
63	01010-30820	Bolt	1	SN: 10001-UP
64	01653-20808	Washer,Lock	1	SN: 10001-UP
67	01010-30820	Bolt	4	SN: 10001-UP
69	6210-81-5240	O-Ring	1	SN: 10001-UP
70	01010-31225	Bolt	1	SN: 10001-UP
71	01640-21223	Washer	1	SN: 10001-UP
72	01580-01008	Nut	3	SN: 10001-UP
73	01640-21016	Washer	3	SN: 10001-UP

S6D140-1U — Cylinder Block

Diagram Ref.	Part Number	Description	Qty	Serial / Option Notes
2	04020-00820	Pin,Dowel	12	SN: 10001-UP
4	07043-70108	Plug	11	SN: 10001-UP
6	07046-42516	Plug	2	SN: 10001-UP
7	07046-41810	Plug	2	SN: 10001-UP
8	07046-11816	Plug	2	SN: 10001-UP
9	6210-21-1790	Bushing	2	SN: 10001-UP
12	6210-21-1490	Bushing,Camshaft	7	SN: 10001-UP
13	07046-47020	Plug	1	SN: 10001-UP
15	6210-81-9210	Plug	2	SN: 10001-UP
16	6150-21-4770	Pin,Dowel	2	SN: 10001-UP
18	04020-01024	Pin,Dowel	2	SN: 10001-UP
19	07043-00211	Plug	1	SN: 10001-UP
20	07046-42010	Plug	1	SN: 10001-UP
21	07046-42816	Plug	2	SN: 10001-UP
22	07043-00415	Plug	1	SN: 10001-UP
26	04020-00514	Pin,Dowel	2	SN: 10001-UP
27	6210-21-1390	Pin	6	SN: 10001-UP
29	01643-31845	Washer	14	SN: 10001-UP
30	07040-11007	Plug	1	SN: 10001-UP
31	07005-01012	Gasket (K2)	1	SN: 10001-UP
32	07040-11409	Plug	1	SN: 10001-UP
33	07005-01412	Gasket (K2)	1	SN: 10001-UP
34	6211-21-2220	Liner,Cylinder	6	SN: 10001-UP
35	6210-21-2250	Seal,Crevice (K2)	6	SN: 10001-UP
36	6210-21-2240	O-Ring,Center (K2)	6	SN: 10001-UP
37	6210-21-2230	O-Ring,Lower (K2)	6	SN: 10001-UP
38	6211-21-1800	Nozzle Ass'Y	6	SN: 10001-UP
38	6211-21-1820	Nozzle	1	SN: 10001-UP
41	01641-21016	Washer	6	SN: 10001-UP
43	07043-00415	Plug	1	SN: 10001-UP
45	6210-21-1970	Gasket (K2)	1	SN: 10001-UP
48	6210-61-6550	Gasket (K2)	1	SN: 10001-UP
51	6696-61-9920	Gasket (K2)	1	SN: 10001-UP
54	07000-03025	O-Ring (K2)	1	SN: 10001-UP
58	01640-21223	Washer	1	SN: 10001-UP
61	09920-00150	Liquid Gasket,Lg-7¤ 150G	-	SN: 10001-UP

S6D140-1U — Cylinder Block

Diagram Ref.	Part Number	Description	Qty	Serial / Option Notes
2	04020-00820	Pin,Dowel	12	SN: 10001-UP
4	07043-70108	Plug	11	SN: 10001-UP
6	07046-42516	Plug	2	SN: 10001-UP
7	07046-41810	Plug	2	SN: 10001-UP
8	07046-11816	Plug	2	SN: 10001-UP
9	6210-21-1790	Bushing	2	SN: 10001-UP
12	6210-21-1490	Bushing,Camshaft	7	SN: 10001-UP
13	07046-47020	Plug	1	SN: 10001-UP
15	6210-81-9210	Plug	2	SN: 10001-UP
16	6150-21-4770	Pin,Dowel	2	SN: 10001-UP
18	04020-01024	Pin,Dowel	2	SN: 10001-UP
19	07043-00211	Plug	1	SN: 10001-UP
20	07046-42010	Plug	1	SN: 10001-UP
21	07046-42816	Plug	2	SN: 10001-UP
22	07043-00415	Plug	1	SN: 10001-UP
26	04020-00514	Pin,Dowel	2	SN: 10001-UP
27	6210-21-1390	Pin	6	SN: 10001-UP
29	01643-31845	Washer	14	SN: 10001-UP
30	07040-11007	Plug	1	SN: 10001-UP
31	07005-01012	Gasket (K2)	1	SN: 10001-UP
32	07040-11409	Plug	1	SN: 10001-UP
33	07005-01412	Gasket (K2)	1	SN: 10001-UP
34	6211-21-2220	Liner,Cylinder	6	SN: 10001-UP
35	6210-21-2250	Seal,Crevice (K2)	6	SN: 10001-UP
36	6210-21-2240	O-Ring,Center (K2)	6	SN: 10001-UP
37	6210-21-2230	O-Ring,Lower (K2)	6	SN: 10001-UP
38	6211-21-1800	Nozzle Ass'Y	6	SN: 10001-UP
38	6211-21-1820	Nozzle	1	SN: 10001-UP
41	01641-21016	Washer	6	SN: 10001-UP
43	07043-00415	Plug	1	SN: 10001-UP
45	6210-21-1970	Gasket (K2)	1	SN: 10001-UP
48	6210-61-6550	Gasket (K2)	1	SN: 10001-UP
51	6696-61-9920	Gasket (K2)	1	SN: 10001-UP
54	07000-03025	O-Ring (K2)	1	SN: 10001-UP
58	01640-21223	Washer	1	SN: 10001-UP
61	09920-00150	Liquid Gasket,Lg-7¤ 150G	-	SN: 10001-UP

S6D140-1U — Piston And Connecting Rod

Diagram Ref.	Part Number	Description	Qty	Serial / Option Notes
1	6211-31-2130	Piston	6	SN: 26574-UP
1	The part specified in the line above can be used instead of this part6211-31-2111	Piston	6	SN: 10001-26573
1	This shows a discontinued part. The part specified in the above line is supplied instead.6211-31-2110	Piston	6	SN: (10001-17153)
2	6211-31-2410	Pin,Piston	6	SN: 10001-UP
3	04065-05220	Ring,Snap	12	SN: 10001-UP
4	6211-31-2050	Piston Ring Ass'Y,Per Cylinder	6	SN: .-UP
4	The part specified in the line above can be used instead of this part6211-31-2033	Piston Ring Ass'Y,Per Cylinder	6	SN: 10001-.
4	This shows a discontinued part. The part specified in the above line is supplied instead.6211-31-2031	Piston Ring Ass'Y,Per Cylinder	6	SN: (10001-16450)
4	This shows a discontinued part. The part specified in the above line is supplied instead.6211-31-2032	Piston Ring Ass'Y,Per Cylinder	6	SN: (10001-)
7	6211-31-3100	Connecting Rod Ass'Y	6	SN: 10001-UP
9	6211-31-3130	Bushing	1	SN: 10001-UP
10	02400-10413	Pin,Dowel	2	SN: 10001-UP
11	6210-31-3310	Bolt	2	SN: 10001-UP
12	6210-31-3041	Metal Ass'Y	6	SN: 18446-UP
12	6210-36-3041	Metal Ass'Y	6	SN: 18446-UP
12	6210-37-3041	Metal Ass'Y	6	SN: 18446-UP
12	6210-38-3041	Metal Ass'Y	6	SN: 18446-UP
12	6210-39-3041	Metal Ass'Y	6	SN: 18446-UP
12	The part specified in the line above can be used instead of this part6210-31-3040	Metal Ass'Y	6	SN: 10001-18445
12	The part specified in the line above can be used instead of this part6210-36-3040	Metal Ass'Y	6	SN: 10001-18445
12	The part specified in the line above can be used instead of this part6210-37-3040	Metal Ass'Y	6	SN: 10001-18445
12	The part specified in the line above can be used instead of this part6210-38-3040	Metal Ass'Y	6	SN: 10001-18445
12	The part specified in the line above can be used instead of this part6210-39-3040	Metal Ass'Y	6	SN: 10001-18445

S6D140-1U — Power Take Off

Diagram Ref.	Part Number	Description	Qty	Serial / Option Notes
2	01010-31230	Bolt	6	SN: 10001-UP
3	01643-31232	Washer	6	SN: 10001-UP
4	6128-21-4321	Gear,Idle	1	SN: 10001-UP
6	6128-21-4340	Retainer	1	SN: 10001-UP
7	6128-21-4360	Lock (K3)	1	SN: 10001-UP
12	06000-06214	Bearing	2	SN: 10001-UP
14	07000-03145	O-Ring (K3)	1	SN: 10001-UP
16	01530-06814	Nut	1	SN: 10001-UP
17	01658-26823	Washer,Lock (K3)	1	SN: 10001-UP
19	07000-03140	O-Ring (K3)	1	SN: 10001-UP
20	01010-31030	Bolt	5	SN: 10001-UP
23	6691-21-4921	Gasket,(For Shipping)	1	SN: 10001-UP
24	01010-31230	Bolt,(For Shipping)	6	SN: 10001-UP
27	6645-22-4550	Plate,Lock (K3)	2	SN: 10001-UP
29	04065-07525	Ring,Snap	1	SN: 10001-UP
30	06000-06009	Bearing	2	SN: 10001-UP
33	04064-04518	Ring,Snap	1	SN: 10001-UP
35	07000-03100	O-Ring (K3)	1	SN: 10001-UP
36	01010-31035	Bolt	2	SN: 10001-UP
38	07000-02085	O-Ring (K3)	1	SN: 10001-UP
40	01582-01210	Nut	4	SN: 10001-UP
41	01602-01236	Washer,Spring	4	SN: 10001-UP

Shop the Komatsu S6D140-1U Cylinder Block Parts collection

S6D140-1U Cylinder Block Parts lookup notes

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

Related parent hubs

• Komatsu S6D140-1U Engine Parts (360)
• Komatsu Engine Cylinder Block Parts (1177)

Featured parts in this hub

• Komatsu Engine Ball Bearing 06000-06009 — SKU KOM-06000-06009 | Ball Bearing
• Komatsu Engine Ball Bearing 06000-06214 — SKU KOM-06000-06214 | Ball Bearing
• Komatsu Engine Bearing Ball 06000-06206 — SKU KOM-06000-06206 | Bearing Ball
• Komatsu Engine Bearing Ball 06030-06204 — SKU KOM-06030-06204 | Bearing Ball
• Komatsu Engine Bolt 01010-31850 — SKU KOM-01010-31850 | Bolt
• Komatsu Engine Bolt 01010-50616 — SKU KOM-01010-50616 | Bolt
• Komatsu Engine Bolt 01010-51220 — SKU KOM-01010-51220 | Bolt
• Komatsu Engine Bolt 01011-31600 — SKU KOM-01011-31600 | Bolt
• Komatsu Engine Bolt 01011-51200 — SKU KOM-01011-51200 | Bolt i>
• Komatsu Engine Bushing 6210-31-6121 — SKU KOM-6210-31-6121 | Bushing
• Komatsu Engine Bushing 6210-31-6131 — SKU KOM-6210-31-6131 | Bushing
• Komatsu Engine Crankshaft Ass' 6211-31-1010 — SKU KOM-6211-31-1010 | Crankshaft Ass'
• Komatsu Engine Gasket 6691-21-4921 — SKU KOM-6691-21-4921 | Gasket
• Komatsu Engine Gasket Cylinder Block Cover 6210-21-1970 — SKU KOM-6210-21-1970 | Gasket Cylinder Block Cover
• Komatsu Engine Gasket Cylinder Block Flange 6696-61-9920 — SKU KOM-6696-61-9920 | Gasket Cylinder Block Flange
• Komatsu Engine Gasket Cylinder Block Plate 6210-61-6550 — SKU KOM-6210-61-6550 | Gasket Cylinder Block Plate
• Komatsu Engine Gasket Front Cover 6210-21-3250 — SKU KOM-6210-21-3250 | Gasket Front Cover
• Komatsu Engine Idler Gear 6128-21-4321 — SKU KOM-6128-21-4321 | Idler Gear
• Komatsu Engine Lever Assembly 6210-41-2320 — SKU KOM-6210-41-2320 | Lever Assembly
• Komatsu Engine Liner Cylinder 6211-21-2220 — SKU KOM-6211-21-2220 | Product code 6211-22-2220 | Liner Cylinder
• Komatsu Engine Lock 6128-21-4360 — SKU KOM-6128-21-4360 | Lock
• Komatsu Engine Metal Ass'Y 6210-31-3040 — SKU KOM-6210-31-3040 | Metal Ass'Y
• Komatsu Engine Metal Ass'Y 6210-31-3041 — SKU KOM-6210-31-3041 | Metal Ass'Y
• Komatsu Engine Metal Ass'Y 6210-36-3041 — SKU KOM-6210-36-3041 | Metal Ass'Y
• Komatsu Engine Metal Ass'Y 6210-37-3041 — SKU KOM-6210-37-3041 | Metal Ass'Y
• Komatsu Engine Metal Ass'Y 6210-38-3041 — SKU KOM-6210-38-3041 | Product code 6210-38-3040 | Metal Ass'Y
• Komatsu Engine Metal Ass'Y 6210-39-3041 — SKU KOM-6210-39-3041 | Product code 6210-39-3040 | Metal Ass'Y
• Komatsu Engine Metal Ass'Y Undersize 0.25Mm 6210-39-3040 — SKU KOM-6210-39-3040 | Metal Ass'Y Undersize 0.25Mm
• Komatsu Engine Metal Ass'Y Undersize 0.50Mm 6210-38-3040 — SKU KOM-6210-38-3040 | Metal Ass'Y Undersize 0.50Mm
• Komatsu Engine Metal Ass'Y Undersize 0.75Mm 6210-37-3040 — SKU KOM-6210-37-3040 | Product code 6210-37-3041 | Metal Ass'Y Undersize 0.75Mm

This hub includes 54 linked product listings. Use the collection link above to browse the full set.

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.