How do I confirm pilotpart155455 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

Turbo RHF5 Turbocharger 123910-18021 for Yanmar 4TNE106T-IFH Komatsu WA115-3 WB140-2.

For Komatsu Turbocharger & Kit

Turbocharger & Kit 5T-639 for Komatsu WA115-3

Q: What part numbers are associated with this Turbocharger & Kit?

5T-639, VD430054, VA190043, VB430054, VA430054, 123910-18021, YM123910-18021, 123910-18020, YM123910-18020, 123910-18021/20

OEM / REF: 5T-639SKU: pilotpart155455

Turbo RHF5 Turbocharger 123910-18021 for Yanmar 4TNE106T-IFH Komatsu WA115-3 WB140-2. is a Turbocharger & Kit replacement part indexed for Komatsu WA115-3 and Komatsu WB140-2, with 3 application records on file. Match OEM part number 5T-639 and confirm fitment for Komatsu Engine Spare Parts before ordering.

Stock: In stock
Condition: New
Fitment: Komatsu Engine Spare Parts
Category: Turbocharger & Kit

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$407.99USD/EA

~~$75,280.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 18 – Aug 25
10	Aug 16 – Aug 23
50	Aug 14 – Aug 21

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.

Turbocharger & Kit Description

This Turbocharger & Kit is indexed for Komatsu WA115-3; Komatsu WB140-2; Komatsu WB140-2N; Komatsu WB140PS-2. Compare reference number 5T-639 against the label on your existing Komatsu component before ordering.

Additional cross references on file: VD430054, VA190043, VB430054. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

5T-639 VD430054 VA190043 VB430054 VA430054 123910-18021 YM123910-18021 123910-18020 YM123910-18020 123910-18021/20

Applications

Komatsu WA115-3
Komatsu WB140-2
Komatsu WB140-2N
Komatsu WB140PS-2
Komatsu WB140PS-2N
Yanmar

Specifications

Turbo Model	RHF5, RHF5-70005P15NHBRL4016CEZ, RHB52-70005P15NFBRL4016CEZ
Part Number (IHI)	5T-639, 5T639, VD430054, VA190043, VB430054, VA430054
Part Number (Yanmar)	123910-18021, 12391018021, YM123910-18021, YM12391018021, 123910-18021/20, 12391018021/20, 123910-18020, 12391018020, YM123910-18020, YM12391018020
Part Number	IHI: 5T-639, 5T639, VD430054, VA190043, VB430054, VA430054 Yanmar: 123910-18021, 12391018021, YM123910-18021, YM12391018021, 123910-18021/20, 12391018021/20, 123910-18020, 12391018020, YM123910-18020, YM12391018020

Fitment Notes

Brand or application signal: Komatsu Engine Spare Parts
Product family: Turbocharger & Kit
System category: Engine Spare Parts > Emission & Exhaust System > Turbocharger & Kit
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.