How do I confirm pilotpart520987 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

Engine Overhaul Rebuild kit 4D106 for Komatsu WB140-2N WB140PS-2N WB150-2N

For Komatsu Overhaul Kits

Overhaul Kits WB140-2N for Komatsu

OEM / REF: WB140-2NSKU: pilotpart520987

Engine Overhaul Rebuild kit 4D106 for Komatsu WB140-2N WB140PS-2N WB150-2N is a Overhaul Kits replacement part for Komatsu Engine Spare Parts, categorized under Engine Spare Parts > Overhaul Kits. Use OEM part number WB140-2N and confirm machine model, engine model, and serial details before checkout.

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$781.50USD/EA

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.

Overhaul Kits Description

This Overhaul Kits is indexed for Komatsu s: for Komatsu WB140-2N WB140PS-2N WB150-2N Contains the following: 1.Piston:4 2.Piston Ring:4 3.Piston Pin:4 4.Cylinder Liner:4 5.Piston Snap:8 6.Piston Pin Bush:4 7.Intake Valve:8 8.Exhaust Valve:8 9.Valve Guide:16 10.Intake Valve Seat8 11.Exhaust Valve Seat:8 12.Main Beraing STD:Set of 5 Pairs 13.Con Rod Bearing STD:Set of 4 Pairs 14.Overhaul Gasket Kit:1 Set 15.Thrust Washer Set. Compare reference number WB140-2N against the label on your existing Komatsu component before ordering.

Additional cross references on file: WB140PS-2N, WB150-2N. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

WB140-2N WB140PS-2N WB150-2N

Applications

Komatsu s: for Komatsu WB140-2N WB140PS-2N WB150-2N Contains the following: 1.Piston:4 2.Piston Ring:4 3.Piston Pin:4 4.Cylinder Liner:4 5.Piston Snap:8 6.Piston Pin Bush:4 7.Intake Valve:8 8.Exhaust Valve:8 9.Valve Guide:16 10.Intake Valve Seat8 11.Exhaust Valve Seat:8 12.Main Beraing STD:Set of 5 Pairs 13.Con Rod Bearing STD:Set of 4 Pairs 14.Overhaul Gasket Kit:1 Set 15.Thrust Washer Set

Fitment Notes

Brand or application signal: Komatsu Engine Spare Parts
Product family: Overhaul Kits
System category: Engine Spare Parts > Cylinder Components > Overhaul Kits
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.