In StockAlternator 123910-77210 For KOMATSU WA90-3 WA95 WA95-3 WB91R-2C WB91R-2D-For KOMATSU
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Alternator 123910-77210 for Komatsu Komatsu 4D106E-1 Engine

OEM / REF: 123910-77210SKU: pilotpart424220-B

Alternator 123910-77210 For KOMATSU WA90-3 WA95 WA95-3 WB91R-2C WB91R-2D-For KOMATSU is a Alternator replacement part indexed for Komatsu WA90-3 · Komatsu 4D106E-1 · 1998-2005 and Komatsu WA95 · Komatsu 4D95LE-3, with 3 application records on file. Match OEM part number 123910-77210 and confirm fitment for Komatsu E...

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

Alternator Description

This Alternator is indexed for Komatsu WA90-3 · Komatsu 4D106E-1 · 1998-2005; Komatsu WA95 · Komatsu 4D95LE-3; Komatsu WA95-3 · Komatsu 4D106E-1 · 1998-2005; Komatsu WB91R-2C · Komatsu S4D106-1FA · 1999-2006. Compare reference number 123910-77210 against the label on your existing Komatsu component before ordering.

Before checkout, compare OEM part number 123910-77210, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Applications

  • Komatsu WA90-3 · Komatsu 4D106E-1 · 1998-2005
  • Komatsu WA95 · Komatsu 4D95LE-3
  • Komatsu WA95-3 · Komatsu 4D106E-1 · 1998-2005
  • Komatsu WB91R-2C · Komatsu S4D106-1FA · 1999-2006
  • Komatsu WB91R-2D · Komatsu S4D106-1FA · 1999-2006
  • Komatsu WB93R-2 · Komatsu S4D106-2SFA · 1999-2006
  • Komatsu WB97R-2 · Komatsu SD106-1FA · 1999-2005
  • Komatsu WB97S-2 · Komatsu SD106-1FA · 1999-2005
  • Komatsu WB98A-2 · Komatsu SD106-1FA · 1999-2005
  • Komatsu WB140-2N · Komatsu S4D106 · 2000-2007
  • Komatsu WB140PS-2 · Komatsu S4D106 · 1999-2004
  • Komatsu WB140PS-2N · Komatsu S4D106 · 2004-2007
  • Komatsu WB150-2 · Komatsu S4D106-1FA · 1999-2008
  • Komatsu WB150-2N · Komatsu S4D106-2SFA · 2003-2008
  • Komatsu WB150AWS-2 · Komatsu S4D106-1FA · 2002-2010
  • Komatsu WB150PS-2 · Komatsu S4D106-2SFA · 1999-2003
  • Komatsu WB150PS-2N · Komatsu S4D106-2SFA · 2004-2007
  • Komatsu WB150WSC-2 · Komatsu S4D106-2SFA · 2004-2007
  • Komatsu PC80MR-3 · Komatsu S4D106 · 2000-2007
  • Komatsu PC95R-2
  • Komatsu PC110R-1
  • Komatsu PW95R-2
  • Komatsu PW110R-1

Specifications

Voltage12V
Ampere80A
Clock0.5
Fan TypeInternal
Pulley TypeSolid
Part Number (KOMATSU)123910-77210
Part NumberKOMATSU: 123910-77210

Fitment Notes

Brand or application signal
Komatsu Engine Spare Parts
Product family
Alternator
System category
Engine Spare Parts > Engine Auxiliary Components > Alternator
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

Send machine details before ordering high-risk parts.