Crankshaft 129902-21050 for Komatsu

OEM / REF: 129902-21050SKU: pilotpart133075-7727481159928

Crankshaft YM129902-21050 for Komatsu 4D94LE 4D98E Engine WB70A-1 Backhoe Loader PC80MR-5 PC80MR-5E0 Excavator is a Crankshaft replacement part for Komatsu Engine Spare Parts, categorized under Engine Spare Parts > Crankshaft. Use OEM part number 129902-21050 and confirm machine model, engine model, and serial detai...

Stock
In stock
Condition
New
Fitment
Komatsu Engine Spare Parts
Category
Crankshaft
  • Fitment support before you order
  • Worldwide delivery options

Crankshaft Description

This Crankshaft is indexed for Komatsu s: 4D94LE-1B38-BM S/N 00101-UP (DRY CLUTCH /TORQUE CONVERTER) (TAIWAN) 4D94LE-1B45-BM S/N 00101-UP (DRY CLUTCH /TORQUE CONVERTER) 4D94LE-1B45-BM S/N 00101-UP ЃiДЮЧІёЧЇБ/ДЩёєЭКЮ°АЃj 4D94LE-1B45C S/N 42631-UP (DRY CLUTCH /TORQUE CONVERTER) 4D94LE-1B45C S/N 42631-UP ЃiДЮЧІёЧЇБ/ДЩёєЭКЮ°АЃj 4D94LE-1B46-BM S/N 00101-UP (WET CLUTCH) 4D94LE-1B46-BM S/N 00101-UP ЃiіЄЇДёЧЇБЃj 4D98E-1AGD-F S/N 01532-UP (DRY CLUTCH /TORQUE CONVERTER) 4D98E-1AGD-F S/N 01532-UP ЃiДЮЧІёЧЇБ/ДЩёєЭКЮ°АЃj 4D98E-1AGW-F S/N 01532-UP ЃiіЄЇДёЧЇБЃj 4D98E-1B41-C S/N 06140-UP 4D98E-1B45C S/N 08758-UP (TORQUE CONVERTER) 4D98E-1B45C S/N 08758-UP ЃiДЩёєЭКЮ°АЃj 4D98E-1G38-BM S/N 02964-UP (DRY CLUTCH /TORQUE CONVERTER) (TAIWAN) 4D98E-1G45-BM S/N 02964-UP (DRY CLUTCH /TORQUE CONVERTER) 4D98E-1G45-BM S/N 02964-UP ЃiДЮЧІёЧЇБ/ДЩёєЭКЮ°АЃj 4D98E-1G46-BM S/N 02964-UP (WET CLUTCH) 4D98E-1G46-BM S/N 02964-UP ЃiіЄЇДёЧЇБЃj BX50 CHASSIS, K21/ K25 ENGINES & MASTS S/N 200001A~/ 210001A~/ 750875-751862 PC80MR-5 S/N F50003 AND UP PC80MR-5E0 S/N F70001 AND UP WB70A-1 S/N F10392-Up WB70A-1 S/N F10950-Up. Compare reference number 129902-21050 against the label on your existing Komatsu component before ordering.

Additional cross references on file: YM129902-21050. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Komatsu s: 4D94LE-1B38-BM S/N 00101-UP (DRY CLUTCH /TORQUE CONVERTER) (TAIWAN) 4D94LE-1B45-BM S/N 00101-UP (DRY CLUTCH /TORQUE CONVERTER) 4D94LE-1B45-BM S/N 00101-UP ЃiДЮЧІёЧЇБ/ДЩёєЭКЮ°АЃj 4D94LE-1B45C S/N 42631-UP (DRY CLUTCH /TORQUE CONVERTER) 4D94LE-1B45C S/N 42631-UP ЃiДЮЧІёЧЇБ/ДЩёєЭКЮ°АЃj 4D94LE-1B46-BM S/N 00101-UP (WET CLUTCH) 4D94LE-1B46-BM S/N 00101-UP ЃiіЄЇДёЧЇБЃj 4D98E-1AGD-F S/N 01532-UP (DRY CLUTCH /TORQUE CONVERTER) 4D98E-1AGD-F S/N 01532-UP ЃiДЮЧІёЧЇБ/ДЩёєЭКЮ°АЃj 4D98E-1AGW-F S/N 01532-UP ЃiіЄЇДёЧЇБЃj 4D98E-1B41-C S/N 06140-UP 4D98E-1B45C S/N 08758-UP (TORQUE CONVERTER) 4D98E-1B45C S/N 08758-UP ЃiДЩёєЭКЮ°АЃj 4D98E-1G38-BM S/N 02964-UP (DRY CLUTCH /TORQUE CONVERTER) (TAIWAN) 4D98E-1G45-BM S/N 02964-UP (DRY CLUTCH /TORQUE CONVERTER) 4D98E-1G45-BM S/N 02964-UP ЃiДЮЧІёЧЇБ/ДЩёєЭКЮ°АЃj 4D98E-1G46-BM S/N 02964-UP (WET CLUTCH) 4D98E-1G46-BM S/N 02964-UP ЃiіЄЇДёЧЇБЃj BX50 CHASSIS, K21/ K25 ENGINES & MASTS S/N 200001A~/ 210001A~/ 750875-751862 PC80MR-5 S/N F50003 AND UP PC80MR-5E0 S/N F70001 AND UP WB70A-1 S/N F10392-Up WB70A-1 S/N F10950-Up

Fitment Notes

Brand or application signal
Komatsu Engine Spare Parts
Product family
Crankshaft
System category
Engine Spare Parts > Block & Internal Parts > Crankshaft
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.