How do I confirm pilotpart100736 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

Alternator YM119836-77201 YM129612-77230 YM11983677201 YM12961277230 for Komatsu D20A-7-M D21A-7 D21P-7A PC27MR-1 PC27MRX PC30MRX-1 PC30UU-3 PC38UU PC40MR-1 SK714-5 SK815-5 SK820-S WA40-3

For Komatsu Alternator

Alternator YM119836-77201 for Komatsu PC38UU

OEM / REF: YM119836-77201SKU: pilotpart100736

Alternator YM119836-77201 YM129612-77230 YM11983677201 YM12961277230 for Komatsu D20A-7-M D21A-7 D21P-7A PC27MR-1 PC27MRX PC30MRX-1 PC30UU-3 PC38UU PC40MR-1 SK714-5 SK815-5 SK820-S WA40-3 is a Alternator replacement part indexed for Komatsu PC38UU and Komatsu PC30MRX-1, with 3 application records on file. Match OEM...

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

$295.99USD/EA

~~$42,099.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 22 – Oct 29
10	Oct 20 – Oct 27
50	Oct 18 – Oct 25

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 PC38UU; Komatsu PC30MRX-1; Komatsu PC27MRX; Komatsu PC27MR-1. Compare reference number YM119836-77201 against the label on your existing Komatsu component before ordering.

Additional cross references on file: YM129612-77230. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

YM119836-77201 YM129612-77230

Applications

Komatsu PC38UU
Komatsu PC30MRX-1
Komatsu PC27MRX
Komatsu PC27MR-1
Komatsu PC30UU-3
Komatsu PC40MR-1
Komatsu SK714-5
Komatsu SK815-5
Komatsu SK820-S
Komatsu D21A-7
Komatsu D21P-7A
Komatsu D20A-7-M
Komatsu WA40-3
Yanmar & Komatsu
Yanmar & Komatsu
Yanmar & Komatsu
Yanmar & Komatsu
Yanmar & Komatsu
Yanmar & Komatsu

Specifications

Voltage	12V
Amperage	40A
Part Number	YM119836-77201, YM129612-77230, YM11983677201, YM12961277230

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.