Komatsu SA12V140-1U-A Electrical Starting and Charging Parts Hub
Komatsu SA12V140-1U-A Electrical Starting and Charging 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 SA12V140-1U-A Electrical Starting and Charging 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.
SA12V140-1U-A — Fuel Injection Pump Piping (L.H. Bank) (For Electrical Governor)(#12979-)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 1 | 6215-71-4211 | Tube,Injection, No.1 | 1 | SN: 10034-UP |
| 1 | This shows a discontinued part. The part specified in the above line is supplied instead.6215-71-4210 | Tube,Injection, No.1 | 1 | SN: (10034-11777) |
| 2 | 6215-71-4221 | Tube,Injection, No.2 | 1 | SN: 10034-UP |
| 2 | This shows a discontinued part. The part specified in the above line is supplied instead.6215-71-4220 | Tube,Injection, No.2 | 1 | SN: (10034-11777) |
| 3 | 6215-71-4231 | Tube,Injection, No.3 | 1 | SN: 10034-UP |
| 3 | This shows a discontinued part. The part specified in the above line is supplied instead.6215-71-4230 | Tube,Injection, No.3 | 1 | SN: (10034-11777) |
| 4 | 6215-71-4241 | Tube,Injection, No.4 | 1 | SN: 10034-UP |
| 4 | This shows a discontinued part. The part specified in the above line is supplied instead.6215-71-4240 | Tube,Injection, No.4 | 1 | SN: (10034-11777) |
| 5 | 6215-71-4251 | Tube,Injection, No.5 | 1 | SN: 10034-UP |
| 5 | This shows a discontinued part. The part specified in the above line is supplied instead.6215-71-4250 | Tube,Injection, No.5 | 1 | SN: (10034-11777) |
| 6 | 6215-71-4261 | Tube,Injection, No.6 | 1 | SN: 10034-UP |
| 6 | This shows a discontinued part. The part specified in the above line is supplied instead.6215-71-4260 | Tube,Injection, No.6 | 1 | SN: (10034-11777) |
| 12 | 01641-01016 | Washer | 4 | SN: 12979-UP |
| 15 | 01643-30623 | Washer | 4 | SN: 12979-UP |
| 18 | 01010-80630 | Bolt | 7 | SN: 12607-UP |
| 19 | 01643-30623 | Washer | 11 | SN: 12607-UP |
| 21 | 01580-00605 | Nut | 2 | SN: 12979-UP |
| 25 | 01643-30823 | Washer | 4 | SN: 12979-UP |
SA12V140-1U-A — Cylinder Block (For Electrical Governor)(#11755-11858)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 5 | 04020-00820 | Pin,Dowel | 2 | SN: 11755-11858 |
| 8 | 6210-21-1490 | Bushing,Camshaft | 14 | SN: 11755-11858 |
| 9 | 6210-81-9210 | Plug,Expansion | 2 | SN: 11755-11858 |
| 10 | 07046-44016 | Plug,Expansion | 2 | SN: 11755-11858 |
| 11 | 04020-00820 | Pin,Dowel | 24 | SN: 11755-11858 |
| 12 | 04020-01434 | Pin,Dowel | 2 | SN: 11755-11858 |
| 14 | 6210-81-9210 | Plug,Expansion | 10 | SN: 11755-11858 |
| 15 | 07043-70108 | Plug | 24 | SN: 11755-11858 |
| 17 | 07046-42010 | Plug,Expansion | 2 | SN: 11755-11858 |
| 18 | 07046-42516 | Plug,Expansion | 4 | SN: 11755-11858 |
| 19 | 07043-70211 | Plug | 1 | SN: 11755-11858 |
| 20 | 6210-21-1390 | Pin,Metal Thrust | 6 | SN: 11755-11858 |
| 23 | 6211-21-1900 | Nozzle Ass'Y | 12 | SN: 11755-11858 |
| 26 | 01641-21016 | Washer | 12 | SN: 11755-11858 |
| 27 | 6211-22-2220 | Liner,Cylinder | 12 | SN: 11814-11858 |
| 28 | 6210-21-2270 | Seal,Crevice (K2) | 12 | SN: 11755-11858 |
| 29 | 6210-21-2240 | O-Ring,Center (K2) | 12 | SN: 11755-11858 |
| 30 | 6210-21-2230 | O-Ring,Lower (K2) | 12 | SN: 11755-11858 |
SA12V140-1U-A — Cylinder Block (For Electrical Governor)(#11755-11858)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 5 | 04020-00820 | Pin,Dowel | 2 | SN: 11755-11858 |
| 8 | 6210-21-1490 | Bushing,Camshaft | 14 | SN: 11755-11858 |
| 9 | 6210-81-9210 | Plug,Expansion | 2 | SN: 11755-11858 |
| 10 | 07046-44016 | Plug,Expansion | 2 | SN: 11755-11858 |
| 11 | 04020-00820 | Pin,Dowel | 24 | SN: 11755-11858 |
| 12 | 04020-01434 | Pin,Dowel | 2 | SN: 11755-11858 |
| 14 | 6210-81-9210 | Plug,Expansion | 10 | SN: 11755-11858 |
| 15 | 07043-70108 | Plug | 24 | SN: 11755-11858 |
| 17 | 07046-42010 | Plug,Expansion | 2 | SN: 11755-11858 |
| 18 | 07046-42516 | Plug,Expansion | 4 | SN: 11755-11858 |
| 19 | 07043-70211 | Plug | 1 | SN: 11755-11858 |
| 20 | 6210-21-1390 | Pin,Metal Thrust | 6 | SN: 11755-11858 |
| 24 | 6211-21-1900 | Nozzle Ass'Y | 12 | SN: 11755-11858 |
| 26 | 01641-21016 | Washer | 12 | SN: 11755-11858 |
| 27 | 6211-22-2220 | Liner,Cylinder | 12 | SN: 11814-11858 |
| 28 | 6210-21-2270 | Seal,Crevice (K2) | 12 | SN: 11755-11858, KIT-FLAG: S |
| 29 | 6210-21-2240 | O-Ring,Center (K2) | 12 | SN: 11755-11858, KIT-FLAG: S |
| 30 | 6210-21-2230 | O-Ring,Lower (K2) | 12 | SN: 11755-11858, KIT-FLAG: S |
SA12V140-1U-A — Fuel Injection Pump Piping (R.H. Bank) (For Electrical Governor)(#12979-)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 1 | 6215-71-4112 | Tube,Injection, No.1 | 1 | SN: 10034-UP |
| 1 | This shows a discontinued part. The part specified in the above line is supplied instead.6215-71-4111 | Tube,Injection, No.1 | 1 | SN: (10047-11777) |
| 2 | 6215-71-4122 | Tube,Injection, No.2 | 1 | SN: 10034-UP |
| 2 | This shows a discontinued part. The part specified in the above line is supplied instead.6215-71-4121 | Tube,Injection, No.2 | 1 | SN: (10047-11777) |
| 3 | 6215-71-4132 | Tube,Injection, No.3 | 1 | SN: 10034-UP |
| 3 | This shows a discontinued part. The part specified in the above line is supplied instead.6215-71-4131 | Tube,Injection, No.3 | 1 | SN: (10047-11777) |
| 4 | 6215-71-4142 | Tube,Injection, No.4 | 1 | SN: 10034-UP |
| 4 | This shows a discontinued part. The part specified in the above line is supplied instead.6215-71-4141 | Tube,Injection, No.4 | 1 | SN: (10047-11777) |
| 5 | 6215-71-4152 | Tube,Injection, No.5 | 1 | SN: 10034-UP |
| 5 | This shows a discontinued part. The part specified in the above line is supplied instead.6215-71-4151 | Tube,Injection, No.5 | 1 | SN: (10047-11777) |
| 6 | 6215-71-4162 | Tube,Injection, No.6 | 1 | SN: 10034-UP |
| 6 | This shows a discontinued part. The part specified in the above line is supplied instead.6215-71-4161 | Tube,Injection, No.6 | 1 | SN: (10047-11777) |
| 12 | 01010-80630 | Bolt | 4 | SN: 12979-UP |
| 14 | 01641-01016 | Washer | 4 | SN: 12979-UP |
| 17 | 01643-30623 | Washer | 4 | SN: 12979-UP |
| 20 | 01010-80630 | Bolt | 3 | SN: 12979-UP |
| 21 | 01643-30623 | Washer | 7 | SN: 12979-UP |
SA12V140-1U-A — Alternator Drive (For 90A Alternator)(#10001-12102)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 5 | 6127-31-6221 | Bushing | 2 | SN: 10001-@ |
| 5 | 6127-31-6221 | Bushing | 2 | SN: 10001-UP |
| 5 | 6127-31-6221 | Bushing | 2 | SN: 10034-UP |
| 6 | 6127-31-6261 | Metal,Thrust | 2 | SN: 10001-@ |
| 6 | 6127-31-6261 | Metal,Thrust | 2 | SN: 10001-UP |
| 6 | 6127-31-6261 | Metal,Thrust | 2 | SN: 10034-UP |
| 7 | 6215-21-3480 | Seal,Oil | 1 | SN: 10909-@, KIT-FLAG: S |
| 7 | 6215-21-3480 | Seal,Oil | 1 | SN: 10909-UP, KIT-FLAG: S |
| 7 | 6215-21-3481 | Seal,Oil | 1 | SN: 16055-UP |
| 7 | The part specified in the line above can be used instead of this part6215-21-3470 | Seal,Oil | 1 | SN: 10001-10908 |
| 7 | The part specified in the line above can be used instead of this part6215-21-3470 | Seal,Oil | 1 | SN: 10296-10988 |
| 7 | The part specified in the line above can be used instead of this part6215-21-3480 | Seal,Oil | 1 | SN: 10989-16054, KIT-FLAG: S |
| 8 | 07043-70108 | Plug | 1 | SN: 10001-@ |
| 8 | 07043-70108 | Plug | 1 | SN: 10001-14212 |
| 8 | 07043-70108 | Plug | 1 | SN: 10034-14212 |
| 9 | 07000-62100 | O-Ring (K2) | 1 | SN: 10001-@, KIT-FLAG: S |
| 9 | 07000-72100 | O-Ring (K2) | 1 | SN: 12481-UP, KIT-FLAG: S |
| 9 | 07000-72100 | O-Ring (K2) | 1 | SN: 12474-UP, KIT-FLAG: S |
| 10 | 07000-62016 | O-Ring (K2) | 1 | SN: 10001-@, KIT-FLAG: S |
| 10 | 07000-72016 | O-Ring (K2) | 1 | SN: 12481-UP, KIT-FLAG: S |
| 10 | 07000-72016 | O-Ring (K2) | 1 | SN: 12474-UP, KIT-FLAG: S |
| 10 | The part and the part specified in the line immediately above are interchangeable.07000-62016 | O-Ring (K2) | 1 | SN: 10001-12480, KIT-FLAG: S |
| 10 | The part and the part specified in the line immediately above are interchangeable.07000-62016 | O-Ring (K2) | 1 | SN: 10034-12473, KIT-FLAG: S |
| 13 | 01011-81200 | Bolt | 1 | SN: 10001-@ |
| 13 | 01011-81200 | Bolt | 1 | SN: 10001-UP |
| 13 | 01011-81200 | Bolt | 1 | SN: 10034-UP |
| 15 | 01010-80816 | Bolt | 6 | SN: 10001-@ |
| 15 | 01010-80816 | Bolt | 6 | SN: 10001-UP |
| 15 | 01010-80816 | Bolt | 6 | SN: 10034-UP |
SA12V140-1U-A — Alternator Drive (For 90A Alternator)(#10001-12102)
| Diagram Ref. | Part Number | Description | Qty | Serial / Option Notes |
|---|---|---|---|---|
| 5 | 6127-31-6221 | Bushing | 2 | SN: 10001-@ |
| 5 | 6127-31-6221 | Bushing | 2 | SN: 10001-UP |
| 5 | 6127-31-6221 | Bushing | 2 | SN: 10034-UP |
| 6 | 6127-31-6261 | Metal,Thrust | 2 | SN: 10001-@ |
| 6 | 6127-31-6261 | Metal,Thrust | 2 | SN: 10001-UP |
| 6 | 6127-31-6261 | Metal,Thrust | 2 | SN: 10034-UP |
| 7 | 6215-21-3480 | Seal,Oil | 1 | SN: 10909-@ |
| 7 | 6215-21-3480 | Seal,Oil | 1 | SN: 10909-UP |
| 7 | 6215-21-3480 | Seal,Oil | 1 | SN: 10989-UP |
| 7 | The part specified in the line above can be used instead of this part6215-21-3470 | Seal,Oil | 1 | SN: 10001-10908 |
| 7 | The part specified in the line above can be used instead of this part6215-21-3470 | Seal | 1 | SN: 10296-10988 |
| 8 | 07043-70108 | Plug | 1 | SN: 10001-@ |
| 8 | 07043-70108 | Plug | 1 | SN: 10001-UP |
| 8 | 07043-70108 | Plug | 1 | SN: 10034-UP |
| 9 | 07000-62100 | O-Ring (K2) | 1 | SN: 10001-@ |
| 9 | 07000-72100 | O-Ring (K2) | 1 | SN: 12481-UP |
| 9 | 07000-72100 | O-Ring (K2) | 1 | SN: 12474-UP |
| 10 | 07000-62016 | O-Ring (K2) | 1 | SN: 10001-@ |
| 10 | 07000-72016 | O-Ring (K2) | 1 | SN: 12481-UP |
| 10 | 07000-72016 | O-Ring (K2) | 1 | SN: 12474-UP |
| 10 | The part and the part specified in the line immediately above are interchangeable.07000-62016 | O-Ring (K2) | 1 | SN: 10001-12480 |
| 10 | The part and the part specified in the line immediately above are interchangeable.07000-62016 | O-Ring (K2) | 1 | SN: 10034-12473 |
| 13 | 01011-81200 | Bolt | 1 | SN: 10001-@ |
| 13 | 01011-81200 | Bolt | 1 | SN: 10001-UP |
| 13 | 01011-81200 | Bolt | 1 | SN: 10034-UP |
| 15 | 01010-80816 | Bolt | 6 | SN: 10001-@ |
| 15 | 01010-80816 | Bolt | 6 | SN: 10001-UP |
| 15 | 01010-80816 | Bolt | 6 | SN: 10034-UP |
Shop the Komatsu SA12V140-1U-A Electrical Starting and Charging Parts collection
SA12V140-1U-A Electrical Starting and Charging Parts lookup notes
Use this hub when the repair has already been narrowed to electrical starting and charging parts. Confirm each part against the engine serial range, parts-book callout, quantity, and option notes before ordering.
Related parent hubs
- Komatsu SA12V140-1U-A Engine Parts (543)
- Komatsu Engine Electrical Starting and Charging Parts (856)
Featured parts in this hub
- Komatsu Engine Alternator A 600-821-9530 — SKU KOM-600-821-9530 | Alternator A
- Komatsu Engine Alternator A 600-821-9531 — SKU KOM-600-821-9531 | Alternator A
- Komatsu Engine Clip 04434-51710 — SKU KOM-04434-51710 | Clip
- Komatsu Engine Front Seal Ass'Y 6215-29-4320 — SKU KOM-6215-29-4320 | Front Seal Ass'Y
- Komatsu Engine Gasket 6215-21-3811 — SKU KOM-6215-21-3811 | Gasket
- Komatsu Engine Gasket 6215-21-3820 — SKU KOM-6215-21-3820 | Gasket
- Komatsu Engine Gasket 6215-21-3821 — SKU KOM-6215-21-3821 | Product code 6215-21-3820 | Gasket
- Komatsu Engine Gasket 6215-21-6431 — SKU KOM-6215-21-6431 | Product code 6215-21-6430 | Gasket
- Komatsu Engine Gasket 6215-81-6190 — SKU KOM-6215-81-6190 | Gasket
- Komatsu Engine Holder Assembly Brush KD0-23750-0390 — SKU KOM-KD0-23750-0390 | Product code Kd0-23750-0390 | Holder Assembly Brush
- Komatsu Engine Hose 07286-01903 — SKU KOM-07286-01903 | Hose
- Komatsu Engine Hose 07287-01912 — SKU KOM-07287-01912 | Hose
- Komatsu Engine O-Ring 07000-62100 — SKU KOM-07000-62100 | O-Ring
- Komatsu Engine Seal Oil 6215-21-3480 — SKU KOM-6215-21-3480 | Seal Oil
- Komatsu Engine Seal Oil 6215-21-3481 — SKU KOM-6215-21-3481 | Product code 6215-21-3480 | Seal Oil
- Komatsu Engine Starting Motor Ass'Y 600-813-4930 — SKU KOM-600-813-4930 | Starting Motor Ass'Y
- Komatsu Engine Starting Motor Ass'Y 600-813-4931 — SKU KOM-600-813-4931 | Starting Motor Ass'Y
- Komatsu Engine Starting Motor Ass'Y 600-813-4932 — SKU KOM-600-813-4932 | Starting Motor Ass'Y
- Komatsu Engine Starting Motor Ass'Y 600-813-4933 — SKU KOM-600-813-4933 | Product code 600-813-4931 | Starting Motor Ass'Y
- Komatsu Engine Switch Ass'Y KD0-25000-7323 — SKU KOM-KD0-25000-7323 | Product code Kd0-25000-7323 | Switch Ass'Y
- Komatsu Engine Switch Ass'Y Safety Relay KD0-25000-7320 — SKU KOM-KD0-25000-7320 | Product code Kd0-25000-7320 | Switch Ass'Y Safety Relay
- Komatsu Engine Switch Ass'Y Safety Relay KD0-25000-7322 — SKU KOM-KD0-25000-7322 | Product code Kd0-25000-7322 | Switch Ass'Y Safety Relay
- Komatsu Engine V-Belt 04120-21748 — SKU KOM-04120-21748 | V-Belt
- Komatsu Engine V-Belt 04120-21951 — SKU KOM-04120-21951 | V-Belt
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.