How do I confirm pilotpart247869 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

Air Heater 129120-77501 for Komatsu Engine 3D75 3D78 3D84 3D88E 4D84 4D88E

For Komatsu Other Engine Parts

Other Engine Parts 129120-77501 for Komatsu

Q: What part numbers are associated with this Other Engine Parts?

129120-77501, YM129120-77501, 3D75-2C, 3D75-2D, 3D75N-1YC, 3D75N-2E, 3D78-1C, 3D78-1D, 3D78-1E, 3D78-1F, 3D78AE-3B, 3D78AE-3C

OEM / REF: 129120-77501SKU: pilotpart247869

Komatsu Other Engine Parts 129120-77501 is listed under Engine Spare Parts > Other Engine Parts with catalog data including Part Number: 129120-77501, 12912077501, YM129120-77501, YM12912077501. Verify fitment for Komatsu Engine Spare Parts using the OEM number, mounting points, and photos of your existing part.

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$282.75USD/EA

~~$13,899.00~~Save 98%

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.

Other Engine Parts Description

This Other Engine Parts is indexed for Part Number. Compare reference number 129120-77501 against the label on your existing Komatsu component before ordering.

Additional cross references on file: YM129120-77501, 3D75-2C, 3D75-2D. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

129120-77501 YM129120-77501 3D75-2C 3D75-2D 3D75N-1YC 3D75N-2E 3D78-1C 3D78-1D 3D78-1E 3D78-1F 3D78AE-3B 3D78AE-3C

Applications

Part Number

Specifications

Part Number	129120-77501, 12912077501, YM129120-77501, YM12912077501

Fitment Notes

Brand or application signal: Komatsu Engine Spare Parts
Product family: Other Engine Parts
System category: Engine Spare Parts > Other Engine Spare Parts > Other Engine Parts
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.