How do I confirm pilotpart778907 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

4D88E Overhaul Rebuild Kit for Komatsu PC50MR-2 PC50MR-3 PC55MR-3 PC58UU-3

For Komatsu Overhaul Kits

Overhaul Kits 4D88E for Komatsu

OEM / REF: 4D88ESKU: pilotpart778907

4D88E Overhaul Rebuild Kit for Komatsu PC50MR-2 PC50MR-3 PC55MR-3 PC58UU-3 is a Overhaul Kits replacement part for Komatsu Engine Spare Parts, categorized under Engine Spare Parts > Overhaul Kits. Use OEM part number 4D88E 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

$579.00USD/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 for: Komatsu Excavator Models: PC50MR-2,PC50MR-2-AC,PC50MR-3,PC55MR-3,PC58UU-3 Komatsu Engine: 4D88-6,4D88E,4D88E-5X-AB,4D88E-5X-AC 4D88E-5X-BB,4D88E-5X-BC,4D88E-6. Compare reference number 4D88E against the label on your existing Komatsu component before ordering.

Before checkout, compare OEM part number 4D88E, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Part Numbers and Cross References

4D88E

Applications

Komatsu for: Komatsu Excavator Models: PC50MR-2,PC50MR-2-AC,PC50MR-3,PC55MR-3,PC58UU-3 Komatsu Engine: 4D88-6,4D88E,4D88E-5X-AB,4D88E-5X-AC 4D88E-5X-BB,4D88E-5X-BC,4D88E-6

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.