How do I confirm pilotpart174908 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

Steeping Motor 21W-43-41323 for Komatsu Excavator PC78MR-6 PC78UU-6

For Komatsu Throttle motor

Throttle motor 21W-43-41323 for Komatsu

Q: What part numbers are associated with this Throttle motor?

21W-43-41323, PC78MR-6, PC78UU-6, 1001-UP, EXCAVATORSPC78MR-6, EXCAVATORSPC78UU-6, 22001-UP

OEM / REF: 21W-43-41323SKU: pilotpart174908

Steeping Motor 21W-43-41323 for Komatsu Excavator PC78MR-6 PC78UU-6 is a Throttle motor replacement part indexed for Part Number and Model: PC78MR-6 PC78UU-6 Details: PC78MR-6 S/N 1001-UP (For North America) EXCAVATORSPC78MR-6 S/N 1001-UP (For EU) EXCAVATORSPC78UU-6 S/N 22001-UP EXCAVATORS. Match OEM part number 21W...

Stock: In stock
Condition: New
Fitment: Komatsu Electrical Parts
Category: Throttle motor

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$362.17USD/EA

~~$31,599.00~~Save 99%

Estimated delivery by quantity

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

Estimates from today; confirm exact lead time before payment.

Quantity

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

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

Throttle motor Description

This Throttle motor is indexed for Part Number; Model: PC78MR-6 PC78UU-6 Details: PC78MR-6 S/N 1001-UP (For North America) EXCAVATORSPC78MR-6 S/N 1001-UP (For EU) EXCAVATORSPC78UU-6 S/N 22001-UP EXCAVATORS. Compare reference number 21W-43-41323 against the label on your existing Komatsu component before ordering.

Additional cross references on file: PC78MR-6, PC78UU-6, 1001-UP. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

21W-43-41323 PC78MR-6 PC78UU-6 1001-UP EXCAVATORSPC78MR-6 EXCAVATORSPC78UU-6 22001-UP

Applications

Part Number
Model: PC78MR-6 PC78UU-6 Details: PC78MR-6 S/N 1001-UP (For North America) EXCAVATORSPC78MR-6 S/N 1001-UP (For EU) EXCAVATORSPC78UU-6 S/N 22001-UP EXCAVATORS

Specifications

Part Number	21W-43-41323,21W4341323

Fitment Notes

Brand or application signal: Komatsu Electrical Parts
Product family: Throttle motor
System category: Electrical Parts > Control Systems > Throttle motor
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.