How do I confirm pilotpart181866 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

12V 80A Alternator YM123910-77210 for Komatsu Excavator PC110R PC80MR PC95R Wheel Loader WA115 WA90 WA95-3

For Komatsu Alternator

Alternator YM123910-77210 for Komatsu PC80MR

OEM / REF: YM123910-77210SKU: pilotpart181866

12V 80A Alternator YM123910-77210 for Komatsu Excavator PC110R PC80MR PC95R Wheel Loader WA115 WA90 WA95-3 is a Alternator replacement part indexed for Komatsu PC80MR and Komatsu PC80MR-3, with 3 application records on file. Match OEM part number YM123910-77210 and confirm fitment for Komatsu Engine Spare Parts befo...

Stock: In stock
Condition: New
Fitment: Komatsu Engine Spare Parts
Category: Alternator

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$321.99USD/EA

~~$45,799.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 21 – Aug 28
10	Aug 19 – Aug 26
50	Aug 17 – Aug 24

Estimates from today; confirm exact lead time before payment.

Quantity

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Alternator Description

This Alternator is indexed for Komatsu PC80MR; Komatsu PC80MR-3; Komatsu PC95R; Komatsu PC95R-2. Compare reference number YM123910-77210 against the label on your existing Komatsu component before ordering.

Before checkout, compare OEM part number YM123910-77210, 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.

Part Numbers and Cross References

YM123910-77210

Applications

Komatsu PC80MR
Komatsu PC80MR-3
Komatsu PC95R
Komatsu PC95R-2
Komatsu PC110R
Komatsu PC110R-1
Komatsu PW95R
Komatsu PW95R-2
Komatsu PW110R
Komatsu PW110R-1
Komatsu WA115
Komatsu WA115-3
Komatsu WA90
Komatsu WA90-3
Komatsu WA95-3
Komatsu WB91R
Komatsu WB91R-2
Komatsu WB93R
Komatsu WB93R-2
Komatsu WB97R
Komatsu WB97R-2
Komatsu WB97S
Komatsu WB97S-2
Komatsu WB140
Komatsu WB140-2
Komatsu WB140-2N
Komatsu WB140PS
Komatsu WB140PS-2
Komatsu WB140PS-2N
Komatsu WB150
Komatsu WB150-2
Komatsu WB150-2N
Komatsu WB150AWS
Komatsu WB150AWS-2
Komatsu WB150AWS-2N
Komatsu WB150PS
Komatsu WB150PS-2
Komatsu WB150PS-2N
Komatsu WB150WSC
Komatsu WB150WSC-2

Specifications

Voltage	12V
Ampere	80A
Part Number	YM123910-77210, YM12391077210

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.