Water Pump YM123900-42000 for Komatsu 7800

OEM / REF: YM123900-42000SKU: pilotpart225581-01

Engine Water Pump YM123900-42000 Yanmar 4TNE106T Komatsu 4D106T 4D106-1FA GEHL 7800 SL7800 TAKEUCHI TL150 is a Water Pump replacement part indexed for Gehl 7800 and Gehl SL7800, with 3 application records on file. Match OEM part number YM123900-42000 and confirm fitment for Komatsu Engine Spare Parts before ordering.

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

Water Pump Description

This Water Pump is indexed for Gehl 7800; Gehl SL7800; Komatsu WB140-2; Komatsu WB140-2N. Compare reference number YM123900-42000 against the label on your existing Komatsu component before ordering.

Additional cross references on file: 123900-42000, YM123907-42000, 123907-42000. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Gehl 7800
  • Gehl SL7800
  • Komatsu WB140-2
  • Komatsu WB140-2N
  • Komatsu WB140PS-2N
  • Komatsu WB150-2
  • Komatsu WB150-2N
  • Komatsu WB150AWS-2N
  • Komatsu WB150PS-2N
  • Komatsu WB91R-2
  • Komatsu WB93R-2
  • Komatsu WB97R-2
  • Komatsu WB97S-2
  • Komatsu WB98A-2
  • Komatsu PC110R-1
  • Komatsu PC95R-2
  • Komatsu PW110R-1
  • Komatsu PW95R-2
  • Komatsu BM393
  • Komatsu BM595
  • Komatsu BM798 RCG
  • Komatsu R-YM50
  • Komatsu R-YM60
  • Takeuchi TL150
  • Komatsu
  • Komatsu
  • Komatsu
  • Komatsu
  • Komatsu
  • Komatsu
  • Komatsu
  • Komatsu
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar
  • Yanmar

Specifications

GasketIncluded
Part NumberYM123900-42000, 123900-42000, 12390042000, YM12390042000, YM123907-42000, YM12390742000, 123907-42000, 12390742000, Y123907-42000, Y12390742000, YM123945-42000, YM12394542000, 123945-42000, 12394542000, Y123945-42000, Y12394542000

Fitment Notes

Brand or application signal
Komatsu Engine Spare Parts
Product family
Water Pump
System category
Engine Spare Parts > Lubrication & Cooling Systems > Water Pump
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.