How do I confirm pilotpart215018 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

Fuel Lift Pump Feed Pump 129158-552101 for Komatsu WA20-2 WA30-5 WA40-3SF-X Yanmar Engine 3D78N-1C 3D78N-1C 3D78AE-3A

For Komatsu Injection Pump

Injection Pump 129158-552101 for Komatsu Komatsu

Q: What part numbers are associated with this Injection Pump?

129158-552101, YM129158-52100, 3D78N-1C, 00715-UP, WA20-2, 10001-UP, 3D78AE-3A, 3D84E-3D, 3845-UP, WA30-5, 15001-UP, 15001-25999

OEM / REF: 129158-552101SKU: pilotpart215018

Fuel Lift Pump Feed Pump 129158-552101 for Komatsu WA20-2 WA30-5 WA40-3SF-X Yanmar Engine 3D78N-1C 3D78N-1C 3D78AE-3A is a Injection Pump replacement part indexed for Part Number and Komatsu. Match OEM part number 129158-552101 and confirm fitment for Komatsu Engine Spare Parts before ordering.

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$84.57USD/EA

~~$13,899.00~~Save 99%

Estimated delivery by quantity

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

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.

Injection Pump Description

This Injection Pump is indexed for Part Number; Komatsu. Compare reference number 129158-552101 against the label on your existing Komatsu component before ordering.

Additional cross references on file: YM129158-52100, 3D78N-1C, 00715-UP. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

129158-552101 YM129158-52100 3D78N-1C 00715-UP WA20-2 10001-UP 3D78AE-3A 3D84E-3D 3845-UP WA30-5 15001-UP 15001-25999

Applications

Part Number
Komatsu

Specifications

Part Number	129158-552101, 129158552101, YM129158-52100, YM12915852100

Fitment Notes

Brand or application signal: Komatsu Engine Spare Parts
Product family: Injection Pump
System category: Engine Spare Parts > Fuel System > Injection Pump
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.